Round Six of The Foundation. End Game takes place in a version of the Underground setting from Undertale.
This game provides examples of:
- Apocalypse How: Class X-5 (destruction of The Multiverse) is the likely outcome if the Foundation team fails.
- Breaking the Fourth Wall:
- The Fourth Wall Will Not Protect You: During the final confrontation, Gaster manages to do something to the mods and enter the game's Discord chat. Nanaka possesses her own player to bring him back down.
- Medium Awareness: Gaster can read the players' narration text.
- Noticing the Fourth Wall: Partway through the round, the characters manage to deduce a lot about the nature of the game, including the existence of the players and the fact that round 5 was actually a prequel, though they don't quite manage to work out the specific DWRP format.
- "Groundhog Day" Loop: The intro post and first week play out a total of six times in different ways.
- Refugee from TV Land: Was always an element of the 6350s' existence, but it comes to the forefront in this round.
- Ret-Gone: Gradually happens to the NPCs over the course of the round.
