Announcement
Autumn Sale and Steam Awards
During the Steam Autumn Sale, icosi-do is available at a discount of 40%! Also, don't forget to nominate icosi-do in the Labor-of-Love category of the Steam Awards 2023.
Steam
icosi-do
Also known as icosi do, icosi-do, id
Your superpower is your patience. Nurture it with this minimalist puzzle based on pure logic: swap pairs of colored rods such that all four rods that meet in any of 30 corners have different colors. Thousands of problems await you: from trivial to superhuman difficult.
Last update
13 Jun 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- July 2023
- On the potential benefits of hand gesture controlsAs I've mentioned, I'm working on hand gesture controls for icosi-do with Tilt Five glasses, which includes quite a bit of testing. To some degree, I was surprised how good these controls feel (as long as they work as i…
- Patch V-14: Second test of hand gesture control for Tilt Five glassesThis small update includes another small test of hand gesture controls for users of Tilt Five™ glasses. If you have access to Tilt Five™ glasses, please try it out with the full game or the demo. Some instructions (only…
- June 2023
- ICOSI-DO ON SUMMER SALE!icosi-do is participating in the Steam Summer Sale 2023 with a whopping 30% discount! And the demo is still free! In other news, I continue working on hand gestures for selecting rods when using Tilt Five glasses. Curre…
- Thanks to everyone who has provided feedback about the first test of hand control for Tilt Five users in icosi-do! (If you wonder: these discussions happened on the Tilt Five discord.) Here is a summary of my conclusion…Patch notes
- Patch V-13: First test of hand gesture control for Tilt Five glassesThis small update only includes a small test for users of Tilt Five™ glasses to see how icosi-do might be controlled with hand gestures (as suggested in my previous post). If you have access to Tilt Five™ glasses, pleas…
- On June 5, 2023, Apple has presented the Apple Vision Pro and with it a new "spatial computing" interface based on (among other things) eye tracking and hand gestures. While the keynote presentation had its controversia…Store
- Note about the music in icosi-do (for YouTubers and other streamers)On YouTube, when you upload videos of icosi-do that include the built-in music, you might get hit by Content ID claims. That's because Bach's music is very popular and a couple of companies claimed copyrights for specif…
- May 2023
- Patch V-12: new button with old function and old button with new functionAnother small patch polishing the interface for users of a single-button mouse: A "hint"/"undo" button has been added in the lower-left corner, which has the same function as the "X" key/button. In the tutorial, the "ri…
- Patch V-11: slightly better layoutOnly a tiny patch polishing the user interface: The left/right/esc icons have been moved slightly towards the centre to improve the layout for some aspect ratios (and the main text is a bit smaller to make space for the…
- Update V-10: support for single-button mouse, etc.A new regular update featuring better mouse support! I guess it was about time to improve the mouse interface such that icosi-do may be controlled with a single-button mouse. (My excuse is that it took me a while to rea…
- April 2023
- ICOSI-DO AT PUZZLE FEST!icosi-do is participating in the Steam Puzzle Fest with its biggest discount ever: 30%! If that's not good enough: try the free demo! In other news: icosi-do is now officially part of the Tilt Five franchise; check it o…
Gallery
In-game media
Achievements
Community progression
Top picks from 29 Steam achievements, sorted by player unlock rates.
- TuteeRead the whole tutorial.39.7%
- Level 5 unlockedComplete levels 1 to 4.26.5%
- HistorianIn the level menu, open the level history.19.3%
- Level 5+ completedComplete level 5+ in game starting from level 1+ with move limit.15.3%
- HarpistSet the music instrument to harp.12.2%
- Level 10 unlockedComplete levels 1 to 9.6.1%