Six ways to stack

Team Up
Fill rows on every face before time runs out. The cube turns every few seconds.
co-op, 1-4
Race
Two teams build stairs up the cube. First to the flag. Bombs help.
2 v 2
Adventure
Six worlds, each with a twist: ice, wind, hopping pads. Then the Big Cube.
co-op, 1-4
Puzzles
Blueprints to fill a piece at a time. Make your own and share the code.
1 player
Tanks
Lob blocks in turns. The island crumbles. Last one standing.
versus, 2-4
Party Night
A playlist of rounds, points as you go, a podium at the end.
2-4
One screen, four friends
- Pass the pads around. Keyboard works too.
- Far away? Remote Play Together brings them in.
- CPU teammates for when it's just you.
- Fits a Steam Deck screen.
Screens
Press kit
- Developer
- TWO Weeks Studios
- Release
- Coming soon
- Platform
- Windows, on Steam
- Players
- 1-4 on one screen. Online with Remote Play Together.
- Modes
- Team Up, Race, Adventure, Puzzles, Tanks, Party Night
- Price
- To be announced
- Contact
Shellstack is a party game about a big block cube. Players grab tetromino pieces from pads around an arena and throw them at the cube's faces. Fill a row and it clears. The cube keeps turning, so somebody has to shout which face is next.
Every character, letter and icon is drawn by hand.





