Sans Multiverse: Mode Madness. Extreme Mode.

10 Bosses. 15 Lives. Requirement: Beat Challenging Mode. "The last fight didn't go as planned but you still have a chance to prove the glitch your worth. And you even get more lives to compensate for future challenges. It's time to take it to the extreme by fighting both past foes who have become much stronger and a few surprises. As long as you stay determined, nothing can go wrong, right?" Game Link: https://www.roblox.com/games/13045296... Chapters: 0:00 Lobby. 0:14 Boss 1: Fell Sans but extreme. 2:52 Boss 2: Outer (Twilight) Sans but extreme. 6:35 Boss 3: Killer Sans but the deal's extremely lethal. 8:23 Boss 4: Dream Sans. 9:59 Boss 5: Horror Sans but it's extremely assured that you're a prey. 11:53 Boss 6: Bad Time Trio. 14:23 Boss 7: Reaper Sans but extreme. 15:49 Boss 8: Suppressed Error 404. 18:14 Return of the murderer. 19:07 Boss 9: Hyper Dust Sans rematch. 22:41 Timeline reset(?) 22:50 Back in Snowdin. 24:33 Final Boss: C!Insanity Sans. 29:30 Extreme Mode Completed.