Game Type: Approaching Doom

Sometimes, you're where you shouldn't be.

The game must have:

• A combat system
• Multiple endings and 1 true ending
  • At least 1 worst ending
  • At least 1 bad ending
  • At least 1 good ending
  • At least 1 great ending
  • At least 1 true ending
• Buttons or keys with more than 1 function
• 1 death scene
• A technological failure
• A decaying species on the brink of extinction
• A constantly-expanding death rate in a certain dangerous area
• A way to travel to space (e.g., SPACESHIP)
• A friendly subterranean species
• An unfriendly subterranean species
• A constant construction/destruction cycle that ends with the true ending
• A legendary figure that's actually the player
• An idiot with inconvenient powers
• Dangerous scientific experiments
• Highly advanced technology
• An army
• A hulk
• A time limit to getting one of the better endings
• A death scene in the true ending (not the player, but their even stronger friend)
• Caverns
• A multi-purpose tool
• Chase scenes
• One of the characters eventually descending into madness
• And a serial killer antagonist

The rest is up to you.