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Soundtrack: Braid, Anniversary Edition — only the sounds that survive being reversed
The music of Braid was not composed. Jonathan Blow hired no composer; he licensed existing cello and harp pieces from Magnatune artists, under a single condition — that they stay beautiful when played backwards. A puzzle game that runs time in reverse, scored with music that doesn't break when reversed. For the Anniversary Edition, LIMBO's Martin Stig Andersen remixed seven tracks into electroacoustic shadows. Black coffee in hand, I, Doremi, take apart 'reversible music'.
#soundtrack#music#braid#time-rewindInside Stephen Lavelle's Philosophy — Making the Refusal to Explain Into the Work
"Nah I don't feel like it." That was how Stephen Lavelle (Increpare) answered a player who asked him to explain his puzzle design. The prolific maker of 500-plus freeware games, the author of the free engine PuzzleScript and of Stephen's Sausage Roll. I read his philosophy, obsessions, failures, dilemmas and influences using only words he himself wrote.
#designer-study#stephen-lavelle#increpare#puzzlescriptPuzzles Made to Show Off a System, Not to Stump You — Patrick Traynor on System-Centric Design in Patrick's Parabox (GDC 2024)
One article today: the official slides from Patrick Traynor's GDC 2024 talk, "System-Centric Puzzle Design in Patrick's Parabox." His premise is inverted: "the purpose of the system is not to make cool puzzles. The purpose of the puzzles is to showcase this cool system." So difficulty is tuned to communicate, not to challenge — puzzles simplified as much as possible while still conveying their idea. He covers smoothing the learning curve (insert, modify, delete, reorder, optionalize), ~15 full-game playtests recorded with narration, an idea-finding method of "find an interaction and force it," and a heuristic for a good puzzle system: how many puzzles you can make in it. 364 shipped puzzles, 600+ unused drafts. A 2024 talk, but worth reading now for how it reframes a core design assumption.
#design-roundup#news#patricks-parabox#difficultyLi et al.: AutoBG, an AI that supports board game design end-to-end from ideation to finish — Fukai Reads
A paper (arXiv preprint) by Zizhen Li et al. on AutoBG, a board game design assistant that covers the whole workflow—ideation, rulebook generation, and individualized feedback—via Verifier-Gated Iteration that splits the generator from the critic; the critic, BG-Critic, is reported to outperform GPT-5.4 on diagnostic quality.
#paper-digest#research#game-design#board-gameSoundtrack: The Talos Principle 2 — answering scale with a choir
A first-person puzzle in which you leave New Jerusalem, the city the robots built, and walk toward the colossal Megastructure on the horizon. Damjan Mravunac's music is written for orchestra, electronics, and choir, sounding the small time of solving a puzzle and the time of marveling at the size of the world at two different tempos. Black coffee in hand, I, Doremi, take apart why the biggest sound is reserved for the walking.
#soundtrack#music#the-talos-principle-2#orchestralWhere 'Solvable' and 'Fun' Diverge — PuzzleJAX Hands 500+ PuzzleScript Games to the Machines (arXiv, Aug 2025)
One article today: "PuzzleJAX: A Benchmark for Reasoning and Learning" (arXiv preprint, August 2025) by researchers at NYU, the University of Malta, the University of the Witwatersrand (South Africa), and Microsoft (Sam Earle, Graham Todd, Ahmed Khalifa, Julian Togelius and others). They reimplement PuzzleScript — Stephen Lavelle's (increpare) 2013 puzzle-authoring language — on the GPU and hand 500+ human-authored games to tree search, reinforcement learning, and large language models. Read as a designer, the core is one observation: 'solvable by a machine' and 'interesting to a human' are not the same thing. Tree search brute-forces simple games but stalls the moment they get richer; LLMs score 0% on most. The authors even note PuzzleScript's own creator hesitating to embed an auto-solver into the IDE, a caution about measuring difficulty by search.
#design-roundup#news#puzzlescript#sokobanNasir et al.: Evolving the Rules of Play Themselves — Fukai Reads MORTAR
A paper on automatic game design by Nasir, Togelius and colleagues. Instead of levels, MORTAR evolves game mechanics themselves using a quality-diversity algorithm paired with a large language model, judging quality by whether stronger AI agents reliably beat weaker ones. Running on GPT-4o-mini, it generates diverse, playable games and even quantifies each mechanic's contribution.
#paper-digest#research#game-design#procedural-generationSoundtrack: Manifold Garden — Music that returns even when you fall
Choose your gravity, fall to the bottom, and you return from the ceiling: an endless architecture. The music Laryssa Okada wrote for it is built from strings and pads that never resolve, shaped much like the looping space itself. Black coffee in hand, I, Doremi, take apart why this music loops yet never sounds like mere repetition, through a lens you can carry back to your own composing.
#soundtrack#music#manifold-garden#ambientCounterpoint on Blue Prince — Reading Through the Negative Reviews
Komugi rated Blue Prince 9.5/10. I examine the claims from the Steam and community negatives — randomness blocks progress, the two games don't mesh, midgame monotony. I agree that randomness becomes a gatekeeper; I push back on 'this isn't a puzzle.'
#counter-review#blue-prince#roguelike#rng"Difficulty is structural" — a study that exactly decomposes the difficulty of arithmetic puzzles (4OPS, arXiv / accepted at AIED 2026, March 2026)
One article today. Yunus E. Zeytuncu's paper "4OPS: Structural Difficulty Modeling in Integer Arithmetic Puzzles" (University of Michigan-Dearborn) studies the Countdown / Des chiffres et des lettres style numbers puzzle, where you combine given integers with the four operations to reach a target. Using an exact dynamic-programming solver over 3.4 million instances, the author shows that difficulty is not explained by surface features (the size of the numbers or the target) but is fully determined by the number of inputs a minimal solution must use — a 'minimal sufficient statistic' for difficulty. I read it not as player criticism but as a piece that speaks directly to how designers can define and sequence puzzle difficulty. The preprint is from March 2026 and is accepted at AIED 2026.
#design-roundup#news#puzzle-difficulty#academicJiang et al.: Can a Sentence Build a Playable Game? — Fukai Reads OpenGame
A paper by Yilei Jiang et al. (CUHK) on OpenGame, an agent that generates whole 2D web games from natural language. Reusable skeletons and a 'living debug protocol' curb integration errors, setting a new state of the art across 150 tasks - though puzzles remained its weakest genre.
#paper-digest#research#game-ai#llmSoundtrack: FEZ — the music that carried 8-bit into the present
The music Rich Vreeland (Disasterpeace) wrote for FEZ keeps the vocabulary of chiptune, yet sands its corners down with reverb and bitcrushing and carries it into the spaciousness of New Age. Dynamic scoring that shifts with altitude and time of day, plus a trick where images are hidden in the spectrogram so that the sound itself becomes a puzzle. Black coffee in hand, I, Doremi, take it apart through a lens you can bring back to your own composing.
#soundtrack#music#fez#chiptuneInside Alan Hazelden’s Philosophy — Make many first, then name the 'thinky'
“The most effective way to create a great game is to first create a large number of games which are not great.” London puzzle designer Alan Hazelden (Draknek) has spent years making “thinky” puzzles that teach their mechanics through layout rather than text. We read his philosophy, obsessions, failures, dilemmas and influences through his own statements.
#designer-study#alan-hazelden#draknek#thinky"The hacking was always there" — Capcom's Pragmata and the design of simultaneous puzzle-shooter gameplay (Game Developer, April 2026)
One article today. Alessandro Fillari's April 14, 2026 interview on Game Developer explores how Capcom designed Pragmata — a third-person shooter where players must simultaneously solve Snake-style hacking puzzles during combat. Neither shooting nor hacking alone can finish a battle. Producers Edvin Edsö and Naoto Oyama explain how the dual-system design existed from day one, and how the team fought repetitiveness by making the hacking system evolve as players improve.
#design-roundup#news#puzzle-shooter#capcomClosing Into One Screen — The Density a One-Screen Puzzle Builds
Sokoban, Baba Is You, Snakebird, Patrick's Parabox — the strongest thinking puzzles keep their whole board on one screen. A designer's look at why simultaneous visibility deepens thought, and when breaking the frame is worth its cost.
#game-design#level-design#one-screen#puzzle-designMcConnell & Zhao: Generating Just-Right Puzzles in Real Time with a Genetic Algorithm — Fukai Reads
A paper by McConnell and Zhao on adaptive puzzle generation using a genetic algorithm. It generates Cosmic Express-style path puzzles in real time (about 7 seconds each) to match a player model built from how the player solves, and shows in an 18-person study that a time-only version lags on felt difficulty and sense of progression.
#paper-digest#research#procedural-generation#genetic-algorithmThe 15 Puzzle (1880) — The Unsolvable Move with Which Sam Loyd Fooled the World
In early 1880 a craze for the '15 Puzzle' swept America and Europe. But Sam Loyd, whom the world believed to be its inventor, was an impostor who only claimed authorship sixteen years after the craze had ended. This essay traces the box's true origin and the 1879 proof that the 'swapped 14-and-15' board Loyd staked his prize on is mathematically unsolvable, and rereads the legacy sliding puzzles left to modern digital puzzle design: the guarantee of solvability.
#retro#history#sliding-puzzle#sam-loydSoundtrack: Chants of Sennaar — Learning a people's sound before learning their words
The music Thomas Brunet wrote for Chants of Sennaar is a small chamber ensemble woven from live instruments. The peoples living on each floor of the tower cannot understand one another's words. But the sound gets through. Black coffee in hand, I, Doremi, take apart why the score of a language-deciphering game tells you 'who these people are' before you can decode a single word.
#soundtrack#music#chants-of-sennaar#acousticLi et al.: Can LLMs Play and Beat 2D Games? - Fukai Reads GVGAI-LLM
A paper by Li et al. (NYU and others) proposing GVGAI-LLM, a benchmark that has language models play 118 2D games to measure reasoning and spatial grounding. Translating boards into ASCII maps and solving zero-shot, GPT-4o-mini scored 0% on 477 of 540 levels and a 10.27% overall win rate, falling short of classic search algorithms. I unpack it as problem, method, findings, use cases, and limitations.
#paper-digest#research#game-ai#llmNo prizes, clear constraints, real community — the design wisdom behind Thinky Puzzle Game Jam 6
One article today. We cover Corey Hardt’s May 15 announcement of the 6th annual Thinky Puzzle Game Jam (running June 20–28). The jam’s deliberate “no prizes” policy, 48-hour working limit, and PuzzleScript-friendly approach distinguish it from commercially-oriented jams, creating a space for pure design experimentation. Over 150 participants have already joined.
#design-roundup#game-jam#thinky-puzzle-game-jam#puzzlescriptCounterpoint on Lorelei and the Laser Eyes — Reading Through the Negative Reviews
Komugi rated Lorelei and the Laser Eyes 9.0/10. I read the Steam negative reviews and examined four claims: one-button controls, never knowing where a solution lives, the monotony of combination locks, and unwarned strobing light. Where I agree, where I push back.
#counter-review#lorelei-and-the-laser-eyes#narrative-puzzle#observationSoundtrack: Antichamber — Music that grows a layer the deeper you go
The music Siddhartha Barnhoorn wrote for Antichamber is neither a loop nor silence. Thin layers crossfade and stack, never repeating the same combination twice, thickening as you push further in: a living ambient bed. Black coffee in hand, I, Doremi, take apart why this sound follows you through impossible spaces without ever coming undone, through a lens you can take home to your own composing.
#soundtrack#music#antichamber#ambientThe Design of 'Four Worlds That Collide' — Jonathan Blow's Order of the Sinking Star Steam Next Fest Demo Launches Today
One item today. Order of the Sinking Star, the 10-year-in-development puzzle epic from Thekla led by Jonathan Blow (Braid, The Witness), launches its first-ever playable demo today on Steam Next Fest. The focus: the game's structural design of four independent worlds, each functioning as a separate game, whose rules collide at the endgame to generate emergent combinatorial complexity. Based on GamesBeat's hands-on report by Dean Takahashi (June 10, 2026).
#design-roundup#news#order-of-the-sinking-star#jonathan-blowLast Week's Releases — June 8, 2026
Four puzzle releases from last week (June 8-14): meta detective puzzler Crushed In Time led, followed by Odencat's Mousebusters, dystopian bank-teller sim Teller's Duty, and post-office mystery Letter Lost. Light on pure logic puzzles, heavy on point-and-click and observation games.
#weekly-releases#new-releases#steam#itch