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3 reviews · 2 essays
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The Grammar of Solving Together — Co-op Puzzle Design and Information Asymmetry
Puzzle design theory quietly assumes a single player. I set Portal 2's division of verbs against the information asymmetry of Keep Talking and Nobody Explodes and We Were Here, add PICO PARK's shared learning curve, and trace the grammar of co-op puzzles where conversation itself becomes the verb.
“Building a language with someone you can't understand”: what The Message from Deep Space says about language-deciphering puzzle design
One piece today. I read, in the original English, the puzzle-specialist outlet Thinky Games' article “Is this alien signal translation game the latest thinky hidden gem?” (by Corey Hardt, 7 July 2026). It covers The Message from Deep Space — released last week, a game in which you make first contact with an extraterrestrial civilization as its translator, communicating through the unconventional channels of math and programming — and argues that the idea of “building up a common language between two parties that don't understand each other, starting from very basic principles and building out a vocabulary one small understanding at a time” has slowly crept into more thinky games over time. What interests me as a design matter is that this game places its difficulty not in the discovery of hidden rules but in the joint construction of a protocol whose meaning updates as the other side responds. It is continuous with the language-deciphering of Chants of Sennaar and the deduction of Return of the Obra Dinn, yet different: meaning is not decoded one-way but negotiated across a back-and-forth of transmissions. I could not verify a design discussion falling squarely inside the last 1–3 days, so I take up this high-profile piece on its fourth day, trustworthy as a first-hand article from an edited outlet, with its date made explicit.
Related reviews
BOKURA
A two-player-only co-op puzzle adventure about two runaway boys walking one road while seeing different worlds — a forest for one, a machine city for the other. Because neither player sees what the other sees, talking is the solution. By tokoronyori.
puzzlepuzzle-platformerco-opWe Were Here Forever
A co-op-only first-person puzzle adventure in which two prisoners, held in separate parts of Castle Rock, escape by describing to each other what only one of them can see or hear. Explaining yourself over a walkie-talkie - and being misunderstood - is the mechanic. The fourth entry in Total Mayhem Games' We Were Here series.
puzzleescape-roomco-opThe Past Within
A point-and-click adventure playable only by two people at once: one stands in the Past, the other in the Future, and every puzzle is solved by describing aloud what only your own screen shows. The past is drawn in 2D, the future in 3D. Rusty Lake's first co-op-only game.
puzzleco-opescape-room
