Originally on another system
Ladder
A browser port of Ladder
An ASCII arcade game originally for CP/M, rewritten for modern computers and playable in the browser.
Play opens ladder.ostermiller.org in a new tab. Link checked 4 Nov 2026.
- Developer
- Stephen Ostermiller
- Tech
- JavaScript
- Genre
- Platformer
- Added
- 3 Nov 2026
Ladder is an ASCII arcade game originally written for CP/M machines. Stephen Ostermiller's rewrite runs in the browser, with difficulty levels from Easy to Impossible.
How to play
- Arrow keys: move
- Space: jump
- P or Esc: pause
What you need
Nothing to install or upload.
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