Really Happy Mario Birthday Update - Full Gameplay (All Secrets + Endings)

Note: This game contains flashing lights and loud sounds. This video contains all secrets and endings this fan game offers.
Really Happy Mario is a Mario fangame in which you play as a depressed Mario in the first four levels of Super Mario Bros. Inspired by the game Really Happy Mouse that is also inspired by the Suicide Mouse creepypasta. Did Princess Peach cheat to Mario? We will never know, unless you beat this game.
Update log:
Added a secret game mode and 'ARE YOU INSANE!?' mode
Added the Rotten Mushroom
Added the Green Paratroopa and the Blooper
Added 4 new 'lost levels'
Improved the settings menu
Now the star effect opacity can be changed
= Bug fixes (kinda)
= Changed the shoot key to K.
Removed Herobrine.
Download Link: mfgg.net/index...
sparasemi456.i...
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Mario is a trademark of Nintendo. Really Happy Mario is made by Sparasemi456. All rights belong to their respective owners.
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[@Sparasemi456]

Creator of Really Happy Mario here.
Congratulations for beating my game at the hardest difficulty, you're certainly a super player.

[@srandom1563]

Thank you. It wasn’t easy but I managed to do it. This is a great game. Hats off to you 🙌🏼.

[@NINTENDO-IS-GOOD]

God Damn that Jumpscare on the Start
Sorry

[@InternetExplorer-w2g]

Time Traveler: Sits down.
The timeline:

[@supercreepercraft777]

Es realmente interesante este fangame y sus mecánicas. Mi final favorito es el final bueno.

[@P1ant_man]

This is called the Game girl. (It’s the game boy but more HD)

[@anidiotonyoutube2022]

Nah bro
Game *MAN.*

[@P1ant_man]

No. Boy and girl. Man and woman.

[@anidiotonyoutube2022]

@@P1ant_man be honest with yourself dude, the closest thing to a Game Girl we have is the WonderSwan.

[@emmaa451]

Nah dude
Game WOMAN.

[@RalseiBK391]

Nah man a Real creepypasta Mario fan game

[@t0ddsperceptions]

guys i think he's really happy

[@Nashii777]

u forgot the grand dad secret
rarely the splash throws you that screen

[@GFandfriends]

hey guys can you pls make mario's madness v3 in really happy mario

[@SuperDestructionWorld]

If mario and mickey swapped places.

[@李旻曄]

sooooo? this is mario but mouse avi edition?

[@InternetExplorer-w2g]

yea

[@The_Sh0ug13y]

I just hit 100 subs!!

[@thisisthetoaster]

this is just happy mouse with mario sprites and levels+ enemies slapped in

[@cryonisis1]

this is so uninspired and boring. could easily do without the first 10 or even 13 minutes.
but its more than ive done so... good effort? i guess?