JJBoom
A fast-paced pixel-art platformer built around multiplayer battles
Meggic · Released Apr 28, 2026
- Reviews
- Very Positive
- 89% of 152
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Nov 7, 2026
- Steam Deck
- Untested
- Last update on Steam
- 5 months ago
- May 22, 2026
What is JJBoom?
JJBoom is a platformer where two to four players battle locally or online across sixteen standard levels, avoiding hazards such as floor spikes. You can play with a keyboard or gamepad.
For you if...
- +you like finding tactical ways to outplay opponents
Not for you if...
- −you prefer leisurely play without reflex-based challenges
What players say
89% of 152 reviews are positive
Players praise the competitive chaos of playing with friends. Older reviews mention online lag and connection failures, while a recent reviewer reports being unable to get multiplayer working.
Screenshots and trailer
JJBoom system requirements
Minimum: Pixel Shader 2.0, 4 GB RAM, 0.4 GB of disk space.
As published by the developer.
Can my PC run JJBoom?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- win7, 8, 10
- Processor
- 2.0GHZ
- Graphics
- Pixel Shader 2.0
- Memory
- 4 GB RAM
- Storage
- 400 MB available space
- DirectX
- Version 9.0
Recommended
Requires a 64-bit processor and operating system
Does JJBoom have co-op or multiplayer?
Yes: multiplayer (mode not specified). It also has a single-player mode.
Does JJBoom run on Steam Deck?
Untested Not yet tested by Valve on Steam Deck.
PC version details
- DRM
- None declared on Steam
- Controller
- Full controller support
- Platforms
- Windows, macOS
- Steam features
- Cloud saves, Family Sharing
- Languages
- Text only: English, Japanese, Simplified Chinese, Traditional Chinese, Portuguese - Portugal.
Does JJBoom use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam
Tags
Recent updates
- May 22, 2026 · network connectivity has been disabled to focus on local couch gameplay.
- Dec 8, 2018 · 0.6.69更新
- Dec 3, 2018 · 致亲爱玩家的一封信
- Oct 19, 2018 · 0.5.50 update for new item - Magnifying Lamp
- Oct 12, 2018 · 0.5.40 update new item dice