Character Abilities Character Customization Character Roles Combat Systems Multiplayer Modes Combat Mechanics Progression Systems Parkour Mechanics Replayability Customization Cinematic Elements Zombies Mode Expansion Pass Power-Ups Exhibit Management Campaign Structure Character Classes PvPvE Mechanics Mutators Graphics Game Progression Civilization Changes Strategic Play Character Interaction Strategy Games Campaign Modes New Game Plus Stealth Systems RPG Elements Timeline Mechanics Control Schemes Hero Shooters Hero Shooter Mechanics Movement Systems Alan Wake 2 Call of Duty Story Mode Puzzle Solving Card Games Power-ups New Locations Field of View Horde Mechanic Expansions Class-based Gameplay Sailing Mechanics Hyperspace Jumping Object Manipulation Dungeon Creation Player Feedback Character Playability Autosave Echoes System Traversal Mechanics PvP Modes New Classes Player Agency Respawn Systems Body Shield Mechanic Weapon Upgrades Maps Puzzles Gunplay Tactical Sprint Assist Scorestreaks New Monsters Time Manipulation Hardcore Mode Halo 2 Farm Types User Interaction AI Classes Enemy Types Community Reactions Half-Life 2 Skill Systems Night Ops Subclasses Multiplayer Elements Multiplayer Systems Armor Sets New Modes Weapons and Equipment Team-Based Play Component-based Crafting Cut Content Action RPGs Meta Progression Vehicles Vault Hunters Tonics Weapon Systems Difficulty Levels Character Balance NPC Interaction Abilities New Regions Witchcraft Powers Environmental Design Terrain and Environment