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- Online collections of programming games
- programminggames.org ← Wow, that was a true labor of love.
- Beginner-level
- LightBot - This one looks really well-done.
- CodeMonkey - Less well-done
- COLOBOT - Haven't checked this out yet, graphics aren't great
- Injection
- Untrusted
- Hacking-related games
- Misc
- Advent of Code
- rec'd by Oliver Steele here, who made this very-insightful comment about sleep (not related to the game or programming)
- Manufactoria
- Inspired by Zachtronics' Flash games.
- Was infinifactory based on this?
- Elevator Saga - the elevator programming game
- Jahooma's LogicBox
- Rec'd by a guy in a review of Human Resource Machine on Steam.
- This seems to do a good job of showing how commands can be combined to create new commands.
- NandGame
- rec'd by Samy Kamkar in a tweet
- Screeps
- This one looks cool...
- ...it apparently has some kind of subscription model.
- Advent of Code
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