Super Mariofell 64 cover art
Games / Platform

Super Mariofell 64

"Super Mariofell 64 is a single level rom hack which contains an alternative universe version of The Princess's Secret Slide based on the Undertale AU "Underfell" but applied to Super Mario 64, which inverts the morals of the characters."

SiIvaGunner· April 1, 2026· Mod

Super Mariofell 64 is a single level rom hack which contains an alternative universe version of The Princess's Secret Slide based on the Undertale AU "Underfell" but applied to Super Mario 64, which inverts the morals of the characters. The rom hack was released by SiIvaGunner during their April Fools' 2026 event, disguised as a playlist link under the video "The Princess's Sinistar Slide - Super Mariofell 64".

Super Mariofell 64 screenshots

Super Mariofell 64 screenshot 1

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Super Mariofell 64 trailer and videos

Gameplay Video
Gameplay Video

Super Mariofell 64 screenshots

Super Mariofell 64 screenshot 1

Artwork & Box Art

Super Mariofell 64 artwork 1
Nintendo 64
Standard
WW
Apr 1, 2026
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