A downloadable game for Windows and Linux

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This game is pretty simple. Your goal is to deliver four letters to mailboxes in the procedurally generated game world.

The mailbox is described by a short haiku that hints at the correct path to go in order to find the right mailbox.

Otherwise, simply ride, let your mind wander, and enjoy the interesting environments.

There's soft music, but if you'd prefer simply mute the game and chill out to your own tunes


  • WASD, or arrow keys, to move
  • Mouse to look around
  • Spacebar to brake
  • Shift to speed up
  • E to deliver mail
  • C to center the Camera
  • Escape to quit the game

Have fun and let me know what you think!

PS. Music credits and controls are in the Read-Me


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Click download now to get access to the following files:

Zen and the Art of Bicycling 1.0.1.zip 165 MB
Zen and the Art of Bicycling 1.0.1.Linux.zip 146 MB
Zen and the Art of Bicycling (Mac) 1.0.2.zip 416 MB


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Tried to play it crashes instantly on mac : (

Damn, I am sorry to hear this. Unfortunately I don't have a mac here to test it on, but I am looking into what went wrong. Was the error you encountered: "1.0.1.app can't be opened because it is from an unidentified developer"?

Just to see if you're getting the same problem others have had.

Sorry again for this.

I don't think it is the unidentified developer problem, I have my security settings to open apps from "Anywhere" (the most permissive option). I didn't see any error pop up just double clicking the app briefly opens it and then silently crashes. When I get home I'll try to see if it left any logs on my machine that I could send you.

Damn, that's harder to figure out. I'll keep looking and see if I can get hold of a mac to try and work out what is growing on. Until I can, unfortunately the only way to play is with the windows version.

Sorry it took so long, the log file contains only "Failed to validate Mac AppStore receipt." I googled that and found this unity answers post that says there is a setting to turn off mac appstore validation, sounds like that might be the solution?

Thanks for the suggestion!

I have turned off the appstore validation like you suggested and also uploaded multiple versions of the Mac file (for different versions of the mac operating system) so if one doesn't work, hopefully the others will.

Let me know how it turns out.


Darn, I should have looked at the instructions before playing! I delivered two letters with standard speed only!

I really love how the "TO" field is kind of a riddle or essay rather than an address :D


Hi there, thanks for giving it a go!

Glad you liked it, and great video!