PCGame

JJBoom

A fast-paced pixel-art platformer built around multiplayer battles

Meggic · Released Apr 28, 2026

ActionCasualIndieStrategy

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
Minimum PC
Pixel Shader 2.0
4 GB RAM · 0.4 GB disk
Full requirements

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 screenshot 1

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.

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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

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