Announcement
May 2026 Update
Steam post image Hi, all! This is our first update post-launch. First off, we want to thank everyone who has purchased the game, and played it. Thanks also to those who have left reviews, which have been almost entirely…
Steam
Puzzle Spy International
Also known as Puzzle Spy International, psi, puzzle spy international
Pursue diamond thieves and a trail of cryptic puzzles in this short ‘60s spy adventure. As Agent Epsilon you’ll choose your path as you chat with (or chat up!) suspicious contacts. Deduce the puzzle rules, decode cryptograms and decipher clues as you solve wordplay & logic puzzles across the globe!
Last update
3 Jun 2026
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- April 2026
- Update note for PSI 1.0.1Fixed a problem where music would be turned down but the map transition music would be played too loudly.
- March 2026
- Launch UpdateThe day has finally come, and we’re excited to be able to share Puzzle Spy International with the world! When I look back, we’ve actually been working on this for 7 years or so: The initial idea came back around 2019 or…
- February 2026
- February Next Fest UpdateSteam post image Hi folks, especially those recently joining us for the Steam Next Fest! Hope everyone is finding new titles and fun demos to try out! I haven’t had time for game demos this week because we’ve been busy…
- February 2026 UpdateWe’re working away at completing Puzzle Spy International and it’s feeling like we’re in the last downhill stretch heading towards the finish line. And it’s not a wild, uncontrolled mad dash to get there but instead a n…
- November 2025
- November UpdateSteam post image Greetings from Puzzle Spy International HQ! We’ve been busy putting the finishing touches on the last puzzle you get to solve in the game. We had been stuck on exactly how to make it work for a while bu…
- October 2025
- October UpdateIt’s been a busy month at PSI-HQ as we’ve been developing two new puzzles, which includes having folks test them on paper, making all of the art, writing the hints, coding them, testing them digitally, and revising anyt…
- September 2025
- September UpdateIt’s been a busy month or two at Puzzle Spy International headquarters: We spent July prepping for showing the game at MAGwest, including a fun stand-up of Agent Epsilon, a nicely-decorated table and an extra monitor th…
- June 2025
- June UpdateThis month we’ve been finishing up the coding of one of the later puzzles in the game: Fans of the daily word-connection puzzle game Circuits will enjoy this one. We play Circuits every day as a couple, and you can play…
- May 2025
- May UpdateThe most exciting news for this month is that the demo for Puzzle Spy International is out now! We released it yesterday, just in time for participation in the Spy Video Game Rendezvous (which started yesterday on Steam…
- April 2025
- April UpdateIt's been a slow month of progress for PSI, mostly focused on getting the game to save properly. There's more testing needed, but we really wanted to make sure that a player could save the game mid-puzzle, as it can tak…
- March 2025
- March UpdateNow that I’m back from GDC – the Game Developers Conference, where I had a lot of fun showing Puzzle Spy International at an indie showcase event at Syzygy in San Francisco – it’s back to work on the game! This past mon…
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