The remake implements the original (IIgs only) game entirely in Ruby, so anyone can play! It also adds a level editor, swappable tile-sets, and other niceties.
Where do I get it?
What do I need?
If you download the pre-packaged application, you don't need anything other than what's in the zip/dmg. If you're running it from source, you'll need
Anything I should know?
Operation Lambda is alpha-quality software! That means it'll probably crash sometimes, or just not do what you'd expect. Please, by all means, let me know if you encounter any problems.
Some machines have exhibited very poor performance, while others do fine. I don't know why yet! But, I'm investigating.
You can see the README and the in-game help for full details.
Who's responsible for this?
The original Operation Lambda, and all it's graphics, sounds and level data, are copyright 1996, Bret Victor, and are used with permission. All the code and additional design in this remake are copyright 2009 Adam Gardner. See the included COPYRIGHT file for full details.
What are the terms?
Operation Lambda is released under the terms of the Artistic License 2.0. See the included LICENSE file for full details.