In this franchise's universe, users create an avatar for an online game.

• Twin Blade: warrior that uses pairs of blades but don't excel in terms of power but their attacks are quick and easy to combo.
• Tribal Grappler: warrior that fight using gauntlets; they are quick, have high HP but also low defense.
• Steam Gunner: ranged class that uses guns and rifles with bayonets.
• Shadow Warlock: specialized attack mage that uses grimoires (magic books) as weapons.
• Lord Partizan: warriors that use pole weapons (like drill spears), and possess high ATK and DEF but low magic ability.
• Harvest Cleric: mage specialized in healing magic with a small list of offensive magic.
• Flick Reapers: warriors that use axes and scythes with a 360° range of attack.
• Edge Punisher: warriors that use big swords (from big like them to bigger) to cut apart enemies.
• Macabre Dancer: mage specialized in status alteration magic that uses fans with blade extensions as weapons.
• Blade Brandier: warrior that uses one sword to fight.
• Adept Rogue: special warrior that can learn 2 or 3 classes; they can learn more than one class skill/ability but mastering an avatar of this class is difficult and require more time than other classes.

NOTE: At the moment of creation, an Adept Rogue has 4 points that can be used for class selection.

In this franchise's universe, both PCs and NPCs usually have classes to which they are attuned to and often describe and attribute to a character's backstory and personality. It is possible to adopt a multi-class but is a harder feat to accomplish, often requiring the person to divide experience between two or more classes. Each class gives the user feats and abilities that can aid them in and out of battle.

• Barbarian: A fierce warrior of primitive background who can enter a battle rage.
• Bard: An inspiring magician whose power echoes the music of creation.
• Cleric: A priestly champion who wields divine magic in service of a higher power.
• Druid: A priest of the Old Faith, wielding the powers of nature — moonlight and plant growth, fire and lightning — and adopting animal forms.
• Fighter: A master of martial combat, skilled with a variety of weapons and armor.
• Paladin: A holy warrior bound to a sacred oath.
• Ranger: A warrior who uses martial prowess and nature magic to combat threats on the edges of civilization.
• Rogue: A scoundrel who uses stealth and trickery to overcome obstacles and enemies.
• Sorcerer: A spellcaster who draws on inherent magic from a gift or bloodline.
• Warlock: A wielder of magic that is derived from a bargain with an extraplanar entity.
• Wizard: A scholarly magic user capable of manipulating the structures of reality.

Users in this franchise's universe are devils (reincarnated ones if they were of another race like a dragon, human, youkai, etc.) that have one or more Evil Pieces, magic chess pieces used by the devil to increase their numbers by reincarnating other beings, inside them. The evil pieces are:

• Rook: Supernatural Strength and Supernatural Durability.
• Bishop: Enhanced Magic ability.
• Knight: Supernatural Speed and Supernatural Agility.
• Queen: This piece has the abilities of the Knight, Bishop, and Rook, making it the most balanced and powerful piece.
• Pawn: This piece has a special skill called Promotion that can give them one of the traits of the other pieces. In the case of the Queen Promotion, the pawn gains a special barrier. The skill can only be activated when the king gives "authorization".

Users in this franchise's universe can usually gain a Class and in some games/versions can change it at will. The various classes are:

• Swordsman: Warriors who use swords as their primary weapon; includes Knights, Paladins, and Gladiators.
• Magician: Magic users who specialize in certain fields: White Mages (white magic), Black Mages (black magic), Blue Mages (copy and replicate enemy magic/skill), Red Mages (a light mix of black and white mage), Geomancers (mage that uses the environment as a weapon), and Summoners (mage specialized in summoning creature).
• Dragoon: Fighters that use polearms such as spears; Dragoons can jump high and use special breath attacks similar to ones used by dragons.
• Ranged: Warriors that use long-range weapons; includes Archers (bow and crossbow), Gunners/Machinists (1 or 2 guns), Snipers (rifle and similar), and Throwers (throws various objects that sometimes come back such as balls or boomerangs).
• Monk/Brawler: Warriors that prefer hand-to-hand fighting over weapons.
• Thief: Warriors that generally don't have much strength; includes Ninjas (some are able to wield 2 weapons at a time) and Thieves (that can steal various things from the enemy).
• Magic Knight: A class that combines the use of the magic with weapons; includes Holy Knights (use light and holy power), Dark Knights (black magic and/or black arts), and Elemental Knights (basically combine an element with the weapon).

NOTE: The classes here are generalized.

In Cyberdimension Neptunia: 4 Goddess Online, the game inside the game named 4 Goddess Online has 14 available classes, with the first 8 of them being playable in the actual gameplay.

• Paladin: A class that uses greatswords and is tanky but slow as hell.
• Black Knight: A class that uses polearms and has very high attack and HP but low defense and mana.
• Priest: A class that uses holy staffs and can heal their teammates.
• Enchanter: A class that uses rapiers and can buff their allies.
• Mage: A class that uses magic blooms or magic staffs and can cast a wide variety of magic spells.
• Thief: A class that uses dual handguns and can use stealth-based skills, such as invisibility.
• Samurai: A class that uses katanas and has very high attack powers, defense and HP.
• Ninja: A class that uses giant shurikens and has moderate stats, allowing them adapt to any situation.
• Adventurer: No further information is available for this class other than the fact that they can trade with other players.
• Healer: A class that can heal their teammates like Priests and trade with other players.
• Blacksmith: A class that can craft equipment and sell it to other players.
• Fighter: A class that seems to uses unarmed fighting style.
• Tailor: A class that can craft accessories and sell them to other players.
• Farmer: A class that seems to be only good at agriculture.

This franchise's universe is similar to the .Hack Universe, however, the classes differ, and tend to stick closer to established RPG classes. In addition, the players can further modify their classes through using different builds, and choosing a Subclass, which is independent of the Main Class can be chosen, and can be switched at any time.

Main Classes

Warrior

• Guardian: The basic tank, with the highest DEF stat. There are several different builds for this, each capitalizing in the Guardian's ability to take large amounts of damage without dying. Builds include: the Fortress (one-handed sword and shield, most basic setup), the Crimson Knight (two-handed weapon with HP Absorption) and the Juggernaut (focuses on continuously using skills, rather than relying on auto attacks).
• Samurai: This class is based on the ancient Japanese warriors, and is the Yamato server's replacement for the Pirate class. The Samurai specializes in using "Ace Skills", which are moves that chain a string of attacks together, in turn for long cooldowns, and sometimes rendering the user unable to move for a short period. Builds include: the Sword Samurai (frontline guard, which uses a katana and samurai-themed armor), and the Vengeance (focuses on counter-type skills).
• Monk: A heavy hitter with the highest HP, that focuses on continuously attacking with its short cooldowns. Builds include: the Kung-Fu Monk (standard Monk build, with no gimmicks, who uses a set of basic grappling techniques) and the Kicker (hit-move-hit type fighter who uses skills that fling it at the enemy).

Weapon Attacks

• Assassin: A purely offensive class that has the highest DPS. This class usually focuses on making use of its stealth abilities to either perform recon or sneak up and perform hard-hitting skills, though it can also perform well as a sniper type class, working from a safe distance. Builds include: the Shadow Blade (focuses on sneak attacks and burst damage), the Sniper (ranged weapons that trade damage for range), and the Sword Dancer (focuses on dealing constant damage with dual wielding weapons).
• Swashbuckler: An offensive class that dual wields swords. Even though it has less HP and DEF than other classes, it is considered the best defender. Focuses on AOE attacks. Builds include: the Dual Blade (the standard build, with different styles of attacking depending on which weapons are used), the Fencer (single blade user. Focuses on using one-handed weapons, as opposed to two-handed ones, so as to gain a % bonus), and the Juggler (A rare build, due to ammunition costs, though weapons with Respawning/Returning can help make their life easier. Focuses on using dual-wielded throwing weapons).
• Bard: A support class that has low combat prowess yet has the unique ability of song magic to support allies. Builds include: the Concertmaster (support song specialization), the Prima Actor (special attack specialization), and the Virtuoso (curse song specialization).

Recovery

• Cleric: The basic healer, with the highest healing abilities. Builds include: the Armor Cleric (warrior priest that can support with low-range spells) and the High Healer (healer specialized for supporting from the back).
• Druid: A healer that specializes in Heal-Over-Time spells, and can generate the greatest HP per Second recovery rate. In addition, they can use offensive abilities, making them the best rounded of all the healers, though they pay for their strengths with a constant need to manage their MP. Builds include: the Witch Doctor (standard build, which can branch out into other builds if there is enough leeway), the Shaman (blend between the healer aspects and the attacker aspects), and the Absorber (uses melee attacks to leech health from foes).
• Kannagi: A healer with long cooldowns, and weak heals that focus on using barriers and damage interruptions to prevent damage before it can be dealt with. In addition, they can enact a skill called 'Evil Exorcism' to augment their attacks. Builds include: the Prayer Miko (standard build, usually relegated to the back lines), the War Miko (focuses on using their damage prevention skills on their self, then attacking with a katana or naginata), and the Bow Miko (a middle ground between the two others, using bows to attack, and using their skills on opponents as needed).

Magic Attacks

• Sorcerer: The basic magic user, with the highest magic attack. There is only one build, mainly because any other build would be nigh impossible to pull off. This build, called the Nuker or Magical Battery, focuses on keeping enemies at maximum range, whilst bombarding them with spells.
• Summoner: A straightforward class that relies on summoned beasts to do its bidding. For balance reasons, summoned beasts are only 1/3 their original strength, though they can be returned to their original power by releasing the contract. The builds are named based on which summons they specialize in, and are the Elementaler, the Necromancer, and the Puppermaster.
• Enchanter: A support type mage with the highest MP stat. Builds include: the Enhancer (focused on supporting allies with buffs/debuffs), the Crowd Controller (focuses on using AOE debuffs), and the Mana Controller (focuses on redistributing mana to where it's needed).

In MADNESS: Project Nexus's Arena Mode, which sets in the past prior to Episode 1.5 of Madness: Project Nexus (Classic), the protagonist can have various Origins for themself. Depending on the Origin the protagonist chose, they will usually have one focused skill, and one weak skill, those with focus skills can get the highest abilities within that skill focus, whereas skill weakness will usually bar the protagonist from selecting the 3rd core of the weakened skill as well as any traits that require the 3rd core.

• Noob: This Origin can do anything yet is best at nothing, yet is also very customizable.
• Agent: This Origin specializes in gunmanship, as the trade-off for their poor melee weapon skill. All handguns the Agent's wielding can fire stun-capable bullets and have an extra magazine. They can also infiltrate enemy territories while not being suspicious until they begin to attack openly.
• Experiment: This Origin specializes in agility and throwing weapons as the trade-off for their poor gunmanship. The Experiment has claws for scratching, and they also can intimidate their enemies by executing takedowns.
• Mercenary: This Origin specializes in melee weapons as the trade-off for their poor unarmed combat skill. The Mercenary receives more money from dead enemies (by chance) and/or after completing any missions, and can pay bribes to their enemies, making them defectors.
• Patient: This Origin specializes in hand-to-hand combat, as the trade-off for their poor agility and throwing weapon skill. The Patient can summon their imaginary friend to help them fight the opponents when they are roughly injured.
• Disquieted: This Origin specializes in melee weapons and can teleport to the enemies with any melee weapon they are holding once they learned the Positioning skill, as the trade-off for their poor gunmanship.
• Offering: This Origin specializes in agility and throwing weapons as the trade-off for their poor unarmed combat skill. The Offering has a chance to summon ghosts from beyond the enemy corpses to fight alongside them and can brutally take down their enemies. Their throwing weapons will also automatically pass through the enemies when they take a certain amount of damage, hitting anyone beyond them.
• Creber: This Origin specializes in melee weapons, as the trade-off for their poor agility and throwing weapon skill. Despite them having only one Corpus Block, Creber instead makes their clones up to 3 depending on their current Core Melee skill level. They can also swap control between their clones.
• Massive: This Origin specializes in unarmed combat as the trade-off for their poor agility and throwing weapon skill. The Massive can enlarge themself by learning and mastering skills.
• Tinkerer: This Origin specializes in gunmanship as the trade-off for their poor unarmed combat skill. As a gunsmith, the Tinkerer can freely modify any guns with zero restriction, even making them bizarre, and all guns they're wielding will have an extra magazine.
• Magiturge: This Origin specializes in magic, and can create a portal to enter their own pocket dimension.

• Forestcraft:Healing magic and bows as ranged weapons. All about Nature. Elf race and green colour.Forest also Focus on insects and snow themed characters (Very rare).
• Swordcraft: Finesse and agility. Melee weapons and gunfire. Military themes.Also society, like merchants, thiefs, rogues, bandits, mercenaries, warriors, pirates, vikings, nobles, kings, princes and princesses, navy, basically the human class.
• Runecraft: Magic and alchemy. Seeks knowledge and its cool-headed. Blue colour.
• Dragoncraft: Primal energy and raw strength in the form of almighty beasts that tower over all the others such as dragons. Seeks the highest form of physical might. Also, dinossaurs, reptiles, amphibians and water theme.
• Shadowcraft: Death and rebirth. Sacrifices others for its binding and brings them back to do it again as many times as necessary. Lives are nothing but numbers. Purple colour.
• Bloodcraft: Sacrifices its own life for power and seeks pleasure where others find pain. Red colour and vampirism theme. Victory is the ultimate goal.
• Havencraft: Light and Darkness in a circle. White colour and religious theme. It advocates for both the benevolence of angels and the punishment of demons. The duality of man. Also, fuffly and majestic animals, like rabbits, lions, horses, unicorns and tigers. Has an intersection with sword that it also can be military through the Holy knights and Holy kingdom. It is not aways holy, it can also present cultists, false priests and crazy zealots.
• Portalcraft: Science-based. Advanced technology created by god-like entities to elevate the capability of humans above all else. Artificial limbs to symbolize the union of steel and flesh. Multidimensional conquering.Basically machines and constructs, just like puppets, homunculi and augmentations. It can also have intersections with Haven through weird beings and God like entities.

• Fighter Class: This class mostly specialize in high attack and defense power with a higher preference of using melee weapons.
• Healer Class: Those who have the ability to heal both minor and major wounds. They also can cause major buffs to increase their allies' physical abilities. Powerful healers can even regenerate limbs.
• Mage Class: Awakened Beings who have magical abilities, this class can use their mana to create elemental attacks and blasts at their leisure. They also can enact curses and summonings to fight for them.
• Assassin Class: Awakened Beings who specialize in their speed and stealth in battle. They often carry light weapons like knives and daggers.
• Tank Class: This class refers to Awakened Beings who specialize in absorbing and blocking incoming attacks from enemies, they usually have heavy armor and high endurance.
• Ranger Class: Awakened Beings that specializes in long-distance attacks. Rangers are able to deliver high levels of damage to enemies with fast speed and have good agility. However, they suffer from low defenses and are weak when in close proximity to their enemies.
• Hidden Class: Awakened Beings who are born in very unique and one of a kind of abilities despite their primary classes.

Users in this franchise's universe are mostly Pilots and Titans. The Titans have various variants and chassis, while the Pilots have various loadouts, one of which will be suitable for them.

Pilot Loadouts

Several types of Pilots have been seen employed by the IMC and Militia, sporting different armor, equipment and helmets depending on role, gender and faction. It should be noted that while many Pilots sport standard gear that is mass-manufactured, most Pilots will undergo a "rite of passage" at some point in their service, in which they will construct or create personalized equipment.

• Rifleman: Generic pilots that specialize in the usage of Carbines, Assault Rifles, Battle Rifles and Light Machine Guns.
• CQB: These Pilots typically sport lighter gear and, notably, open faces to allow them to blend with regular infantry. They typically operate CQB loadouts featuring Smart Pistols, Shotguns and SMGs.
• Assassin: Assassins are Pilots that utilize their prowess in parkour to reach high towers and ledges, for concealment. They are highly trained marksmen who use weapons like the Longbow-DMR Sniper and Kraber-AP Sniper.
• Heavy Pilot: Pilots operating heavy armor and equipment such as robotic arms, ghillie suits and the A-Wall or Cloak.
• Grapple: Pilots equipped with grappling hooks.
• Holo Pilot: Pilots sporting (what appear to be) EOD vests and Hologram technology.
• Spectre Camo: Certain Pilots choose to rid themselves of the human form entirely, preferring to become Spectres. These Pilots are rare, however, and seem to have been replaced by Simulacrum Pilots utilizing Phase Shift and a significantly more powerful version of Stim.
• Pulse Blade: Pilots equipped with the aforementioned Tactical Ability, likely with equipment designed to pick up the sonar pulses emitted by the Blade.

Titan Variants

There are several variants of Titan employed throughout The Frontier. All currently employed variants, with the exception of the Vanguard and Monarch, are based on the Atlas, Ogre and Stryder-Class Titans.

Pre-Demeter Variants

Prior to the Battle of Demeter, Titans had highly customizable loadouts and flexible designs, based on Pilot preference. This is likely due to the increased availability and lower costs for construction while supply lines to the Core Systems were intact. Those variants employed after the destruction of the Demeter gateway (See below) are much more specialized and less flexible in their roles.

• Atlas: The workhorse of the Titan world and has served in some form or another for countless decades, and likely will continue to for countless more. Equipped with the Damage Core and two dashes, the Atlas is a versatile middle-road Titan.
• Ogre: A Heavy Titan. Its heavy armor and Shield Core make up for any speed it might lack on the battlefield.
• Stryder: Hammond Robotics' premiere in fast-attack Titan design, the Stryder is a lightweight, agile Titan suited for hit-and-run attacks with its Dash Core.

Post-Demeter Variants

In the wake of the Battle of Demeter, Titan variants have become much more rigid in their deployment and structure, likely due to resource and material shortages incurred by the loss of many vital IMC robotics factories. These variants do not possess recharging energy shields and have one less dash available to them than their Pre-Demeter counterparts (With the exception of Ogre Titans). Their loadouts are also mostly static, likely to make mass production and field repair of standard components easier and less resource intensive.

• Ion: An Atlas-based Titan designed around the operation of Directed Energy Weapons (DEWs) such as the Laser Shot, Splitter Rifle and Laser Core. Ion's aforementioned abilities, along with her Vortex Shield, all drain energy from a shared energy pool.
• Scorch: An Ogre-based Heavy Titan designed around the operation of incendiary weapons. Scorch employs thermite and fire to burn through clustered targets and heavily wooded areas.
• Northstar: A Stryder-based Titan, designed around the use of the Plasma Railgun and the use of flight.
• 'Ronin: A CQC-based Stryder Titan that combines maneuverability, agility, a shotgun and a Broadsword to wreak havoc among enemy lines.
• Tone: Named after its use of Sonar, Atlas-based Tone combines the 40mm Tracker Cannon with missile barrages to deal heavy damage.
• Legion: A heavy Titan of Ogre descent, Legion employs a large rotary cannon and aggressive sustained counterfire to deal an unrelenting field of fire upon potential enemies.
• Monarch: A Vanguard-based titan created by Vinson Dynamics who wields the XO16A2 Chaingun. Monarch had a rearm ability along with a Rocket Salvo and an Energy Siphon that makes her a threat on the battlefield.

Others

• Vanguard: A Militia homebrew Titan design, designed for covert operations behind enemy lines and adaptation to various combat situations.

Users in this franchise's universe are legendary spirits (normally of human origin) called "Servants". Each Servant must reflect particular qualifying conditions when they were alive, then are summoned and create a contract with a mage (usually called a Master) who supplies the user with mana. Many Servants can qualify for multiple classes. The Servant classes are:

Standard Classes

3 Knight Classes

• Saber: Users are typically swordsman and/or users of powerful swords. They are generally considered the strongest class in terms of overall stats. Their standard skills include Magic Resistance (typically the highest of any class), & Riding.
• Archer: While mainly made up of archers those whose specialize in pretty much any projectile weapon may qualify. Their standard skills include Magic Resistance & Independent Action.
• Lancer: Agile warriors and skilled with long-range melee weapons, such as spears and lances. They are normally considered the most agile class on average. Their standard skill is Magic Resistance.

4 Cavalry Classes

• Rider: Users under this class are those known for riding mounts, beasts, or vehicles. Their main skills are Riding & Magic Resistance.
• Caster: Users under this class were famous magic users. They possess two main skills: Territory Creation & Item Construction.
• Assassin: Users under this class are stealth specialist and talented killers; their primary skill is Presence Concealment.
• Berserker: Users under this class must have gone berserk in their lifetime. Their standard skill is Mad Enhancement.

Extra Classes

• Ruler: Users under this class do not desire power and are impartial. They are typically considered saint-like figures tasked with the role of making sure the rules are followed and arbitrating the truth to maintain order. Their skills are Magic Resistance and True Name Discernment.
• Alter-Ego: Users under this class typically aren't their true selves, rather, they exist as alternate aspects, interpretations, or derivatives of another being that has managed to develop into an independent entity. They have no class-specific skills.
• Avenger: Users under this class are consumed by a sense of vengeance that lasts even after their death. Their primary skills are Avenger, Oblivian Correction, & Self-Replenishment (Mana).
• Beast: Users under this unique class are world-ending calamities born from the evils of humanity and in turn threaten humanity itself, being considered the ultimate enemy of all the other classes. Their standard skills include Authority of the Beast & Independent Manifestation, which allows them to both summon & sustain themselves without the need of a Master.
• Foreigner: Users under this class have descended from outside of the world and/or human understanding. They are typically Outer Gods who bonded with a humanoid entity. Standard skills include Existence Outside the Domain & Divinity.
• Moon Cancer: Users under this class are irregulars who threaten the moon. Their standard skills include Magic Resistance, Item Construction, & Territory Creation.
• Pretender: Users under this class achieved legendary feats while posing as another. These servants can falsify their class and true name to others. They have no class-specific skills.
• Saver: Users under this class qualify as messiah-like figures. Standard skills include Charisma & Counter Hero, which weakens any opponents that qualify as "heroes".
• Shielder: Users of this class specialize in wielding shields as their primary weapon. Standard skills include Magic Resistance, Riding, Self-Field Defense.