Lobbies · prototype · v0.1 · made for gamers

Released May 27, 2026
A bullethell adventure awaits! Join Jack, a reluctant hero, as he battles bizarre enemies, uncovers secrets, meets quirky characters—and hunts down Death’s missing coffee mug.
The Grumpy Jack Lobby
Grumpy Jack just released!
Heck yeah! Thanks everyone involved for your support.Have fun!
The demo is offline, but will be available during festivals.
Hello everyone!The demo will be taken offline and will be re-activated during special events like Next Fest.Vince
The new demo is live!
Hello everyone!I wanted to share that the demo for my game Grumpy Jack is live. It's bigger, has lots more content, and very much improved. It would mean a lot to me if you check it out on the Steam page and give it a try! Have a nice day, and thanks for everyone who helped out.
via Steam