Was made in ComputerCraft1.7.9, but it should work in later versions (and some older versions). It is meant to be run on an advanced (gold) computer. This game requires the Cobalt library to run (as well as CobaltUI).
Computercraft Forum Thread - http://www.computercraft.info/forums2/index.php?/topic/28912-impending-doom/
Discord - https://discord.gg/JdQHshn