Skills, quests, NPCs, loot, leveling, character creation, classes, spells, equipment, stats, exploration, experience points, character sheets, health bars, inventory management, skill trees, reputation, hunger, thirst, rest, bathroom breaks, weather effects, day/night cycles, seasons, crafting, survival mechanics, stealth, combat tactics, morale, faction relationships, player choices and consequences, open world design, non-linear story, puzzles, dynamic environments, gives player weak powers