Puzzle Spy International - ON SALE NOW!

@agentepsilon.bsky.social

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Puzzle Spy International combines substantial puzzles with fun conversations. Solve wordplay and logic puzzles in this '60s spy adventure. Out now for Win, Mac & Linux at http://s.team/a/3406690 Demo on Steam & at https://mdashow.itch.io/psi-demo

A timelapse video of the line art being inked in an illustration of an old Jeep-like vehicle in a rainforest.
It's a poster for the Steam Summer Sale, complete with a sandy beach and sparkling water and pretty mountains and clouds. The text reads "Steam Summer Sale, June 25-July 9." Also included is an image of a banner for Puzzle Spy International (with Agent Epsilon, our logo, etc.) and a note that the game is 15% off, so instead of $12.50 USD, it's now only $10.61 for the sale.
An illustration of a smiling Agent Epsilon in a summer hat and wearing sunglasses in front of a grassy area with palm trees. Next to her is the Puzzle Spy International logo and a bunch of text that reads as follows: "Here's what players have been saying about PSI: If you enjoy word play and word search puzzles, then I would highly recommend Puzzle Spy International. - CindyK_JA I'm a long-time puzzle lover and yet each and every puzzle here felt unique and managed to surprise me in unexpected ways. - evyatron [My spouse and I] hardly ever play video games together, but this game is perfect for us to play as a team. - kdreibel If you can snag this on sale, do it! - RougesGambit Now on sale for the Steam Summer Sale"
A grey, white and tan tabby curled up asleep on a grey and white plaid blanket.
An image of the Puzzle Spy International title screen - showing Agent Epsilon and a large PSI logo - surrounded on all sides by the frame of the Cerebral Puzzle Showcase, including characters from many other thinky games. You can find out more about the CPS at https://www.cerebralpuzzleshowcase.com.
The album cover to the Puzzle Spy International Original Soundtrack. Agent Espilon sits against a green background. She's holding a record (that's a large disc that plays music when you put it on an antique device called a "record player," also shown here.) There are a few record albums - flat square sleeves that held the "records" - including on that's clearly the Puzzle Spy International Original Soundtrack. Epsilon's eyes are closed and she's smiling as though appreciating the music (and who could blame her?) In addition to the aforementioned album title, there's also text that reads "Music by Alex Doty."
An illustration of Agent Epsilon - dark skin and hair, mod teal and charcoal minidress, and white go-go boots - sitting on the ground and holding a record album. (Those were these black discs from last millennium that you could put on a device called a "record player" and they would play a limited amount of music.) She's smiling with her eyes closes, as though she is listening to enjoyable music. Above her is the Puzzle Spy International logo and a banner that reads "Soundtrack coming soon!"
An image of the Puzzle Spy International title screen - showing Agent Epsilon, Stefania Plinth and Jasper Van Cleeve, along with the PSI logo - surrounded on all sides by the frame of the Cerebral Puzzle Showcase, including characters from many other thinky games. You can find out more about the CPS at https://www.cerebralpuzzleshowcase.com.
A photo of me – a short developer with glasses and a mustache and a cool Incredibles shirt - standing behind a small table with a laptop, a larger monitor, and a standee all showing Agent Epsilon, protagonist of Puzzle Spy International.
A photo of Mike & Talia: Mike has brown hair, a greying moustache curled up on the ends, interestingly-shaped angular glasses frames, and a short-sleeve button-up shirt with some mid-century deco on it. Talia has long curly teal hair, a bright pink shirt, and cats-eye glasses that match her hair. Both are smiling. Behind them is a bookshelf with a standee of Agent Epsilon and a ton of books.
A banner for the Spy Video Game Rendezvous, showing a dark control room, two spies in dapper formal-wear, and the logo for the Spy Video Game Rendezvous (silver, where the Y turns into a pistol and the 'O's are gun reticles.) The dates listed for the fest are May 15 - May 22. Inserted into the image is a vertical banner for Puzzle Spy International, showing the game's logo, a large image of Agent Epsilon holding a puzzle in a manilla envelope, with other characters behind her.
An illustrated scene from Puzzle Spy International showing Antwerp's Diamantkwartier, a modern (by 1960s standards) city block with jewelry stores. One sign says "Juewelen" ("jewels" in Dutch) while another says "Crystal Gems." Added to the image is an image of the inspiration for the latter store name: Garnet Amethyst, Pearl and Steven - collectively known as The Crystal Gems - from the show Steven Universe.
A poster showing Agent Epsilon cheering, some environments from the game, and a yellow background. The text reads: "Reviews for Puzzle Spy International: Puzzle Spy International deserves to be played by way more people... You travel around the world, chatting with an excellent mix of characters... with the option of some flirting, and then solving a tricksy puzzle. And boy, they’re really good puzzles! - John Walker, Kotaku Right away, I was drawn into the story. I like Agent Epsilon, as she's sassy and intelligent (a perfect female main character, I think.) - The Introverted Gamer It's a perfect short-but-sweet puzzle game with an amazing hint system that ensures you never get frustrated! Everything about this game is delightful. The artwork is super cute, the writing is incredibly charming... the music is great, and of course the puzzles! If you're a fan of Puzzled Pint, The Game, the MIT Mystery Hunt, Shinteki, etc. you'll absolutely looooove this game. - Smijin Part of the puzzle is figuring out how to solve it... This is the type of game that you sit with for a while before you reach that satisfying "aha!" moment (or better yet, solve the puzzles together with some friends!) You can tell these puzzles are crafted with care. Along each step of the way, it would blow my mind how the pieces would come together to reveal not just one, but so many layers of puzzles. - AHedgeHug The puzzles have the right amount of difficulty and a new mechanic added to the mix: Hints that don't punish you. It's also not the same puzzle over and over: Each puzzle is a new experience, keeping you engaged and looking for what the next puzzle will bring. - notyourboddhisatva Scratches an itch which needs to be scratched again. The game is short, yes, but the puzzles are genius. Give me more of this please! - ROofdier"
A time-lapse video of a futuristic (for 1950s values of futuristic) base in a jungle. The video shows the inking lines for the illustration gradually appearing.
Agent Epsilon - in a mod dress - speaks to Fatima - in an Algerian "haik", white robes that cover all but her eyes and hands. Epsilon asks "It wouldn't be Puzzle Spy International without the puzzles, would it?" They are standing in a city street showing northern African Arabian-influenced architecture.
In Rome's Museo di Neo Geo (a fictional museum of geology), Agent Epsilon raises here hands exultantly as she smiles. Museum Director Stefania Plinth stands behind her, looking shocked. The art is cartoony mid-century modern style with strong line art, bold colors (the background is all purple nd gold) and paper grain showing.
An illustration of a very 1950s-looking base, complete with "googie" architecture, radar dishes, but triangular roof segments, and angular struts holding it up. The base is in a jungle, with forested cliffs on one side and a sunset sky on the other. The text box shows that Agent Epsilon is saying "Whew, that was... a lot more hiking... than most missions... but at least... a lot more parrots and tree frogs too!" only the last two nouns are crossed out and replaced so that it reads "a lot more Yerba Buena and being social too!"
"Put on your thinking caps and your gogo boots" in the Pokopia font and colors.
A time-lapse video showing a background illustration being inked. The location is a city street with buildings on all sides, the central one having columns and domes and crenellations with a distinctly Arab feel to the architecture.
A messy converted garage with plywood walls and a corrugated tin roof. The entire left wall is book shelves. There is counter space on all 3 sides, with a PC tower and 2 monitors on the center with two small windows behind them. There is a lot of art and posters on the walls, and papers and books all over the counters.
A Steam Next Fest banner for the game Puzzle Spy international buy Trave-Friendly Cake. The banner part shows the aforementioned info and lists the dates as February 23-March 2nd at 10am PT, and the art part shows a poster for PSI with Agent Epsilon, various other characters, and the game's logo.
A screenshot from the upcoming Puzzle Spy International trailer, showing a cropped part of a puzzle with various old-fashioned baggage tags all around. The two baggage tags in the center for DED (Dehradun, India via Receding Airlines) and UCE (Eunice, Louisiana, via BudJet Air lines) together spell out the word "Deduce."
A process video showing me inking all of the line art of famous buildings in London. (Yes, all those buildings really are right next to each other in real-life London!)
Agent Epsilon says with Stefania Plinth "And once I've found your diamond, maybe we can find some way to celebrate." Stefania looks receptive to this idea. Both women are in 60s outfits, Epsilon in a teal mod short-sleeved dress and Stefania in a blue and cream dress with a wide collar and double-breasted buttons up the front. She's got cats-eye glasses and her hair is in a tight bun. Both are standing in the geology museum, with display cases of rocks, framed phots of how plate tectonics work, and a T-rex skeleton in the back. The scene is purple and gold and the whole thing is drawn in a mid-century modern art style.
A banner showing a close-up of the Thinky Games mascot - a black blob with arms and one eye - holding up the thinky deciphering-wheel trophy. The information reads "The 3rd Annual Thinky Awards, Wednesday February 4, 10am PST / 1pm EST / 6pm UTC"
A banner for the 3rd Annua Thinky Awards on Wednesday February 4 at 10am PST / 1pm EST / 6pm UTC. The banner art shows the thinky games mascot - a black blob with arms, legs and a single eye - holding up a trophy that looks like a decoder wheel. There are other blob-guys standing around in the middle of a colorful, stylized hedge maze.
A puzzle from Puzzle Spy International. There are some clues to the left with text areas to fill in, large polyomino pieces in the center that also get filled in with the answers to the left, and then a grid on the right where one can drag the polyominoes. I won't bother to tell you the clues as they're partially censored, nor list the answers as they're all wrong.
Time lapse video showing the process of adding finished line art to a rough sketch of a geology museum interior, featuring rocks and information posters and a dinosaur skeleton.
A drawing of a scene in Paris, a shot between 2 old buildings with the Eiffel Tower in the background. The video shows the entire scene being inked.
A partial screenshot from DaVinci Resolve showing part of a clip from a trailer-in-progress. At the bottom there are some partial clips on the timeline and in the upper right, there's a frame from the trailer showing one of the puzzles and the word "discover" superimposed over it.
A collection of 8 rough thumbnail sketches done in blue pencil, showing various configurations and styles of rooms, walls, windows, couches, armoires, lights, etcetera.
A puzzle with 26 lines of text and 26 different baggage tags. The tags are from the 60s, all different colors and graphic design approaches, and represent airlines and countries from all over the world. At the bottom of the screen is a place to input 26 letters to solve the puzzle.
The end of the credits from the game Puzzle Spy International. Underneath the special thanks section, called out with a big yellow rectangular outline, is the following note: "No generative AI was used in the creation of this game's artwork, UI, writing, music or any other content. We made everything all ourselves."
Agent Epsilon - dark skin, short black hair, 60s mod dress - points angrily at Jasper Van Cleeve - slick white hair, well manicured beard and a prodigious moustache, dark raspberry suit and a green vest which all work surprisingly well together. Van Cleeve, looking offended, says "That is quite an accusation, my dear! I am offended you think I would be so clumsy. The Eswatini Giant is far too recognizable a prize to be caught with." They are in a jewelry store (it's Van Cleeve's.) The art is all flat colors and black lines, a mid-century modern 1960s look to it all.
Agent Epsilon - Dark skin and hair, teal and charcoal mod mini-dress, warm smile - chats with Inspector Ewan Danger - blond, chiseled features, natty vest and tie and a big tan trenchcoat. They're standing in front of the old New Scotland Yard, with Big Ben and the Houses of Parliament in the background. The scene is all blue and the art style is mid-century modern. The player has two choices on-screen for how Agent Epsilon can interact with Ewan: "Give a Friendly Greeting" or "Chat Him Up!" (British Slang for "flirt with him.")
A puzzle screen with lots of cards with colorful illustrations on them, and a bunch more with just text on them. Agent Epsilon is in the corner of the screen pointing at two UI buttons labeled "Hints" and "Check answers." She is saying "Here’s the hint button in the corner! Use it if you need a little help solving a puzzle. We don’t track hint usage and there’s no 'score' so you’re free to use it whenever you need some help."
A banner for the 2rd annual Thinky Awards nominees for the Most Anticipated Game. There's a thumbnail for each of the nominees, which include Puzzle Spy International, along with Compress Space, Locator, Nonolith, Order of the Sinking Star, Professor Layton and the New World of Steam, Rita, The Button Effect, The Incident at Galley House, and Trifolium: The Adventures of Gary Pretzelneck
Part of the title screen for Puzzle Spy International. A mod '60s spy - Agent Epsilon - looks confident as she holds a manila envelope. Behind her is a collage of various mysterious characters and buildings. The whole image is all in teal, orange & yellow.
Two different versions of the bottom of one of the puzzles from Puzzle Spy International. In the top one (labeled "before") there is a Hints button in the lower left and 6 different UI buttons in the lower right, including Back, History, Skip, Auto, Save & Prefs. In the second image ("After") there are now two buttons in the lower left: Hints and Check Answers (a toggle) and the lower right has been reduced to Save and Prefs.
Agent Epsilon in PAris at dusk. She's mostly in shadow, all purple, and pointing to the text which proclaims "Live playtest Friday Dec 5 Oakland, CA at the MADE"
A screenshot of Puzzle Spy International with a retro mid-century modern art style. The scene shows Agent Epsilon - dark skin, short dark hair, mod dress - chatting with Stefania Plinth - Italian, nice 60s dress in navy and cream, hair in a bun and cats-eye glasses. They are in a geology museum, with rock samples and a T-rex skeleton in the background. Agent Epsilon - and by extension, the player - has the option to respond to Stefani by "Keeping it professional" or "Chatting her up (British slang for "flirt with her.")"
The front page of gaming site Kotaku circa November 27, 2025, which shows an article title "20 Incredible, Innovative Indie Games To Wishlist This Thanksgiving" by John Walker. The large accompanying image shows vertical banners for 5 colorful games, one of which is for Puzzle Spy International and features a nice large image of Agent Epsilon.
One of many different puzzle screen from Puzzle Spy International: Here, Agent Epsilon - retro style art, dark skin, mod dress - is holding up a puzzle and thinking about it. The puzzle is to deduce the 8-number passcode for an airlock-like door on the far right, but the sheet of paper - shown in detail in the center of the screen - is blurred out so that you, the viewer, can't solve it without purchasing the game.
The lower left corner of a screen for Puzzle Spy International. In the lower left is the Hints button (with a light bulb on it) and below that is a glowing button labeled "Check Answers" with a toggle switch and a checkmark showing that it's activated. Above are some answers to a puzzle, some with green checks showing that they are correct and some with red Xs showing that they are not.
Two people - their backs to the camera / are looking at a puzzle on a laptop. To the left of the laptop are our new postcards and behind the screen is a small standee of Agent Epsilon.
In this screenshot from Puzzle Spy International: Demo & Prelude, Agent Epsilon - dark skin, short dark hair, serious expression, in a teal and charcoal mod dress - is listening to detective Ewan Danger - chiseled features, blonde hair, 5-o'clock shadow, vest and tie and trench-coat. They're in London, standing in front of the Houses of Parliament, Big Ben, and the new Scotland Yard (yes, they really are all right on the same block together, or at least were in the mid-60s.) Danger is saying "We've positively identified them as Hammer and sickle. They're two 'obfuskoperatives' who work for the Soviet Cypher Force."
Postcard #3 for Puzzle Spy International. A mod '60s spy - Agent Epsilon - looks concerned as she holds a manila envelope. Behind her is a woman in a haik (white garments that cover everything but her eyes) and a suspicious looking blone man in thick-rimmed glasses, with his fingers steepled. Behind them all is a curved control room with a giant map of the world on a huge screen. The whole image is all in red and avocado green.
A scene in a cafe. It's simplified, retro art with just a few colors, mostly browns, purples and tans. Several people sit at tables, and most of them are looking at you. Each person has a box to fill in next to them. There are hints on the left - for example, "Embarek is reading" and "Aloui and Bakhti hate each other and sit in opposite corners as far apart as possible" - but in this screenshot, some of the hints are in fake Latin. You'll have to eventually buy the game to see the real clues and find your contact in this cafe.
A scene all in teal and orange: A giant building with 1950s "googie" architecture sits in the middle of a rainforest. It has a sharply triangular roof, a radar dish, and off in the distance some sort of observatory with a laser nozzle sticking out of it. Agent Epsilon isn't shown here but you can read her dialogue: "This is definitely... the base I’m looking for... but that’s a lot more hiking... than I usually do on a mission!"
It's Paris at dusk and Agent Epsilon is standing there, a pretty sunset behind her. She's smiling and gesturing at the bright yellow and orange text on the screen: "Live playtesting Friday October 3 Oakland, California at the MADE."
A "mood-board" collection of various images that were some of the many influences on our game Puzzle Spy International. It's all mid-century modern illustration, including character drawings from books, animation backgrounds, and character art. Much of it is unlabeled but some of the names called out include Satoshi Hashimoto, Derek Yaniger, Shane Glines, Kevin Dart, and show/movies like 101 Dalmatians, Mr. Magoo, and The Jetsons.
A red room, French architecture, mid-Century light fixture and curvy couch and coffee table, and Pop artists on the wall: Warhols and a Lichtenstein from the looks of it. On the right stands Agent Epsilon - Indian with medium length bob, mod dress, and a compact that doubles as a phone held up to her air. She's talking to Field Liaison Friday, shown in an inset: handsome Asiam guy in a white button-up shirt and orange tie holding a receiver up to his ear. Epsilon is saying "Thanks for the help, Friday. I’m on my way!"
A screen with 10 cards with colorful pictures on them, ten grey tags with clues, and slots for the 10 cards at the bottom. A hint window covers up some of the puzzle with some hopefully helpful hints. The hints read "Hint 1: There are spaces on the top of each card. Type in each to fill them all in," and "Hint 2: There are 10 picture cards and 10 tag cards. Can you figure out which ones go together?" Two of the cards have been partially filled in: The ones with pictures of a gazebo and a star have been labeled by the player "gazebo" and "star."
Puzzle spy Agent Espilon holds a brochure and is thinking hard. We also see a close-up of the brochure, which is about tourism in Rome. The top read "Tour around Rome" but the rest is in fake Latin. There are also some illustrations on the sheet of Roman tourist locations. At the bottom is a place to enter 8 digits into the door's electronic lock. All of the art is in a simplified mid-century modern art style, mostly in avocado green and cream and mustard. Yummy!
Blue pencil sketches of two cartoony characters: A compact curvy woman in a Western-style shirt and cowboy hat with a 1960s style hairdo where the hair curls up at the ends. The second character is a man with a 50s or 60s pompadour and a track jacket and sweatpants with a letter 'C' on his chest. Both look rather serious.
3 or 4 con attendees hover over a laptop to solve a puzzle. One of them is in a black-and-white striped shirt, a red beret, and has a baguette slung over his back.
Puzzle Spy International set up on a table at a small con. There’s a laptop and free-standing monitor and a cute little stand up of Agent Epsilon that I made myself out of foamcore. A woman ponders over the puzzle on-screen.
A banner for the Debut Festival, all orange with a big star and a rainbow on it. The dates listed on the banner are August 7-11. Set inside a frame is a smaller banner for Puzzle Spy International, showing Agent Epsilon's head and the game's logo.
An apartment with fancy art on the wall and 60s mod couch and light fixture, all in red. Agent Epsilon - Indian, short hair, teal mod dress - stands with arms crossed. She is facing three other people - a black woman with an afro and a wide-collared dress, an unamused white guy with blonde hair, thick-framed glasses, mustard-colored turtleneck and a black blazed, and a thick white man with a rounded head and nose wearing a brown suit and tie. Agent Epsilon is introducing herself: "Agent Epsilon from Puzzle Spy International. I’m here for the Eswatini Giant." All of the art is drawn in a simplified mid-century style.
Agent Epsilon is confronted by Stefania Plinth, who is agrily gesturing and saying "Those diavoli! They broke in here and stole the Eswatini Giant!" Both women are in 60s outfits, Epsilon in a teal mod short-sleeved dress and Stefania in a blue and cream dress with a wide collar and double-breaster buttons up the front. She's got cats-eye glasses and her hair is in a tight bun. Both are standing in the geology museum, with display cases of rocks, framed phots of how plate tectonics work, and a T-rex skeleton in the back. The scene is purple and gold and the whole thing is drawn in a mid-century modern art style.