/ Stealth or Action:
The Assassin's Creed series ,
Warframe,
Blade Symphony,
Chivalry,
Deadpool,
Magika,
Skullgirls

Puzzles:
Antichamber,
BattleBlock Theater,
Portal 1 & 2

/ Adventure or Exploration:
The Half-Life series ,
Runescape OldSchool & 3,
Spyro,
Starbound,
Tomb Raider series
Saints Row 2,3 & 4,
The Elder Scroll: Skyrim,
The Borderlands 1,2 & prequel ,
Lego Marval Super Heroes 1 & 2
Lego Marval's Avengers
Lego DC Villians

/ Shooters or Survival:
Counter Strike,
Team Fortress 2,
Left 4 Dead 2,
Astroneer,
Minecraft,
Terraria,
Unturned