Documented for this version
Which controls does this version use?
Actions
Keyboard | Use the arcade trackball or mapped directional control with the available action inputs, plus coin and start inputs. Verify the recovered prototype mapping in the emulator. Verify the loaded Arcade Systems build instructions when the public sources do not provide a complete control table. |
|---|
Control notes
The loaded Arcade Systems mapping takes priority over generic labels.
How it plays
How does Marble Madness II (prototype) play?
Control the marble through obstacle courses, steer around hazards, use the available prototype control scheme, and reach the finish within the course timer while competing against the course or another marble where supported.
Plan your run
What is the best way to play Marble Madness II (prototype)?
Learn the course route before optimizing speed, make gentle corrections on slopes, and treat missing polish or unusual scenes as prototype behavior rather than assuming the ROM is incomplete because it is not a commercial release.





Community discussion
What are players saying? 0