A downloadable game for Windows, macOS, Linux, and Android

Buy Now$4.99 USD or more


You are just a random guy, but not very random, who wants to lose weight and gain some muscles ... but as you already have guessed things don't go the way expected and you get everything except the muscles. Unfortunately, the situation gets worse and worse. Your decision is very important.

-GamePlay time: 15-20min
-Genre: Horror, Simulation, Silly, Funny, Adventure.
- Age limit: ask your mom (pegi 99)


 This game contains loud jumpscares (like my past games), flashing lights, drug-associated gameplay (as a joke), blood and violence (not realistic) and addictive stuff (don't sniff it up).


This game is the 4th indie horror game I made. Let me know what you think about the game in the comments below, your support will really help me to develop my future games! and please report any bugs or lags. Thank you.


For Android Users

In order to run the game on android, you need to connect a keyboard to your phone using an OTG cable or a USB-c hub, you can also play the game on ChromeOS



Website: renderpi.com

Youtube: https://www.youtube.com/@renderpigames

Discord ID: renderpi#3867

Discord Server: https://discord.gg/hBzMCQ8ar4

Email: renderpi@outlook.com

Other: https://linktr.ee/renderpi



Buy Now$4.99 USD or more

In order to download this game you must purchase it at or above the minimum price of $4.99 USD. You will get access to the following files:

GymOrJail-Windows-v2.0.zip 244 MB
GymOrJail-macOS-v2.0.zip 266 MB
GymOrJail-Linux-v2.0.zip 253 MB
GymOrJail-ChromeOs-v2.0.zip 250 MB

Development log


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hi Renderpi. how to walk, otherwise I can't walk on wasd


use wasd on your keyboard 


you'll make a fucking game that's free



Bruh ->

Very fun game! The people in the gym were so unique and funny.



This game was absolutely hilarious!

10/10 I would be a Chad again xD

I STARTED CRYING.. (watch before playing)


Is there an option to tone down the flashy ear-destroying jumpscares? I'm a partnered Twitch streamer and would love to play this on stream, but I really don't want to destroy my viewers' eyes and ears if possible...!

No options menu? Or any menus at all?

Having trouble getting this game to launch on my primary monitor.

sorry for that, no we haven’t included a options menu.

But I think you should change your screen settings and make sure you have set it on primary.

I have 2 monitors as well and I don’t see any problems.


This game was really good I enjoyed it 10/10 look forward to future games🔥💯

giga game very good

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Nice games.

W game!

Muy, muy buen juego, fue tan buen juego que tuve que invitar a mi amigo fisico culturista a jugar

Once again RenderPi has blessed us with a fat juicy game! It was such an amazing experience, they have yet to disappoint me. I still feel like there is another ending that I am missing.. or maybe I am over thinking it. 10/10 would gym again 

Amazing game, I loved it 10/10

Please, bring it on Google play

True Alpha Chads Always Reject Drugs

game was just down right fire super goofy i enjoyed the experience 10/10

Funny cool  game GoodJob!

This was the funniest game with some good jumpscares! I love these games, GOOD JOB!

Very fun! Loved the different endings. 

video gaming.

historia bizarra e macabra. 

Very strange but at the same time very fun to play!, good job!!

I loved this game. A little bit of humor, little bit of horror. I kinda added a little more humor myself. Great Game!

Well worth it. Totally enjoyable. Funny as hell. Love your sense of humor.


Too many memes. kinda cringe 

where is my you win a free reply card?

Damn this game is the perfect mix of horror and hilarity.

Was an awesome time and looking forward to see more :D

It was an interesting game! I wish there was more horror but overall pretty good! Wild and whacky. Got me good with the jumpscares lol. Just a warning though for YouTubers. Ending song will be non monetizable. Copyrighted but can still be used.

Loved this game, man! Thanks for the funny scares! Got both endings 😊

Absolutly loved this game. It brought a lot of laughs. The Giga Chad energy is real lol. 

This game was a masterpiece. Short but decent jumpscares and plenty of humor.

actual banger of a game, got both endings :D 

Thank you for playing! It feels awesome when I watch someone playing my game 😂

Once again, I am so happy I purchased this game. The amount of comedy blended so well with horror is super impressive! Definitely a GIGA game! The only complaint that I have, is that maybe add some QTE's for the workout systems to give the player a little bit more to do rather than cutscenes (That's just my opinion). Other than that, this is once again a MASTERPIECE of an indie horror game!

Thank you for playing man! I always enjoy watching your videos!

And also thank you for your advice!

I might play this

I'm gonna play this later today, looks funny as hell