Keep It Up!

Four players slap a balloon through an obstacle course without letting it touch the ground.

Hitbox Entertainment

Playing together

Online co-op
1 source
Players in online co-op
1 source
Not known yet
Online versus, Online multiplayer, Players online, Best with, How co-op works, Crossplay, Local co-op, Multiplayer through mods, One copy is enough, Free to play, Plays in browser, Demo, Playtest, Early access

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How you talk

Not known yet
Plays without voice or typing, Wordless tools, Public matchmaking, Friendly with strangers

About the game

Keep It Up! is a 4 player co-op physics game where you and your fellow genetically [redacted] test subjects slap a balloon through a mysterious obstacle course without it touching the ground. You've gotta Keep It Up!
From IGDB

Screenshots

Sources

First listed 1 Nov 2026. Updated 2 Nov 2026.