1. Planetside 2: i just really like it and it's free
  2. Geometry Dash: I love anything with a level editor
  3. Fez: amazing
  4. Roller Coaster Tycoon 3: THE BEST GAME EVER CREATED. PERIOD.
  5. Garry's Mod: literally anything you want it to be
  6. Super smash bros (the N64 one) I love it but I don't have an N64 :(