Mari0: 2011 Leaked Beta Build (A Anti-Piracy Fan-game)

Story Summary of Game:

After the chilling legacy of Sonic: El Pendrive Azul, another disturbing tale has surfaced — this time surrounding a forgotten Mario title.

On March 21st, 2015, Mari0 was set for official release — a seemingly classic version inspired by traditional Mario games, featuring familiar music and nostalgic design.

Then came the leak.

A user released the 2011 beta build.

What they didn’t realize was that the beta wasn’t part of the official development cycle — it was a stolen prototype from a hidden internal project.

Despite its polished appearance, subtle anomalies began to emerge: unsettling background shifts, cryptic messages embedded in levels, and character behavior that deviated from the norm.

Most dismissed it as an innocent early build.

They were wrong.

And now...

A 19-year-old boy who played that leaked version

took his own life the very next day.

The game has since been publicly released...

Now the police have opened a case involving a 19-year-old boy, and they need your help. Can you assist them in solving it and uncovering what's hidden behind this version?

there one file you can find out. its encrypted archive. this is easter egg you will find out. also there some secret you will see in future...

WARNING! THIS GAME IT CONTAINS JUMPSCARE, FLASHING LIGHTS AND SUPER LOUD SOUNDS. NOTE THAT THIS GAME IS NOT FOR -12 AND IF YOU HAVE A HEART ATTACK OR SCARE FROM EVERYTHING!

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Control's: UP: W

DOWN: S

LEFT: A

RIGHT: D

JUMP: SPACE BAR

LSHIFT: RUN

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Credit's:

@Mr-Youtuberkid_VIPKing2025 - Coder of Mari0

@Sonic_exe_2011_ - Beta Tester and assistant in game idea

SAM (Software Automatic Mouth) - Voice Actor Glitcher

Copilot - My assistant in game idea and scenario writing

WARNING JUMPSCARE, LOUD NOISES AND FLASHING LIGHT'S

#horror #fangame #platformer