How do I play Critical Mass online?

Click the 'Start Game' button to load Critical Mass in your browser's C64 emulator. No downloads required - the game runs directly in your web browser using JavaScript.

What are the controls for Critical Mass?

Use WASD keys for movement and Left SHIFT for the fire button on Joystick 1, or use arrow keys with Left CTRL for Joystick 2. You can swap joystick ports using the joystick swap button.

Can I save my progress in Critical Mass?

Yes! Use the save snapshot button (floppy disk icon) to save your game state, and the restore snapshot button (folder icon) to load it later. This works like a save state feature.

Who created Critical Mass?

Critical Mass was developed by Bob Blauschild in 1983 and published by Sirius Software.

Play Critical Mass – Graphic(Hi-Res)/Text C64 Game (1983)

Game Information

Critical Mass

Publisher: Sirius Software

Genre: Graphic(Hi-Res)/Text

Developer: Bob Blauschild

Year: 1983

C64 Type: PAL/NTSC

Played: 8 Times

View on Gamebase64.com

About Critical Mass

Critical Mass is a graphic(hi-res)/text game for the Commodore 64 that was released in 1983. The game was developed by Bob Blauschild and published by Sirius Software.

Now you can play Critical Mass online, directly in your web browser! Our Commodore 64 emulator brings this retro gaming experience to life without requiring any downloads or plugins. Just click "Start Game" and enjoy this piece of gaming history.

Joystick Controls

Joystick 1:

Left: A
Right: D
Up: W
Down: S
Fire: Left SHIFT

Joystick 2:

Left: ←
Right: →
Up: ↑
Down: ↓
Fire: Left CTRL

C64 Emulator © 2023 Thomas Hochgoetz.
We offer no C64 downloads due to copyright.

How to Play Critical Mass

Getting Started

Click the "Start Game" button to load Critical Mass directly in your browser. This Graphic(Hi-Res)/Text game from 1983 runs using our Commodore 64 emulator - no downloads, plugins, or installation required.

Game Controls

Use the keyboard controls shown in the Joystick Controls section above. By default:

Movement: WASD keys or Arrow keys
Action/Fire: Left SHIFT or Left CTRL
Switch Joysticks: Click the joystick swap icon if the controls don't respond