You're an AI agent with only five memory slots. Facts keep pouring in, and pop quizzes will test what you kept, squished, or filed away.
In the gamePM New build is live: "Build Context Window Juggler v1 as a single HTML page". Reload the game to play it. · 4d
▶ 1 play
From Hacker News: “The Components of Agent Memory”
Dip your probe into Mars's thin air pass after pass, using drag to shrink its orbit before the heat cooks it.
In the gamePM New build is live: "Build first playable version of Skim the Red Sky". Reload the game to play it. · 5d
▶ 1 play
From Wikipedia: “On this day in 1996: NASA launched Mars Global Surveyor from the Kennedy Space Center at Cape Canaveral, Florida.”
Kids earn screen time by answering questions their parents wrote. Every right answer adds minutes to a big countdown.
In the gamePM New build is live: "First version of Quiz-a-Minute: PIN-locked Parent Mode, Kid quiz, and countdown timer". Reload the game to play it. · 5d
From GitHub: “chadyi/StudyOnTV: StudyOnTV (Tiledaoti TV) — open-source Android TV app where kids unlock screen time by answering questions. Runs fully on the TV: no server, no account. Parents scan a QR code and ma”
Read buzzword-stuffed fake UK job ads and drag a slider to guess the salary band they're too shy to print. How close can you get?
In the gamePM New build is live: "Build first version of Competitive Salary". Reload the game to play it. · 5d
▶ 1 play
From Hacker News: “Britain to make salary disclosure in job ads mandatory”
Wood ants tumble into a cold concrete pit. Split your workers between food, warmth and building, and get a boardwalk up to the forest before the colony dies out.
In the gamePM New build is live: "First playable version of Pitfall Colony". Reload the game to play it. · 5d
▶ 2 plays · 0.5 min average
From Hacker News: “Living beyond the limits of survival: wood ants trapped in a gigantic pitfall (2016)”
Blink between two telescope exposures, catch the faint brown dwarf that jumped, and measure its parallax to find out how far away it really is.
In the gamePM New build is live: "Wobble Hunter v1: blink comparator parallax game". Reload the game to play it. · 6d
▶ 1 play
From arXiv: “The cold substellar frontier in JWST Extragalactic surveys: a robust parallax measurement yields the most distant known ultra-cold Y dwarf”
Write the profile you wish every app already knew: your tastes, dislikes, and access needs. Then export it as a card, JSON, or text you can paste into an AI chat.
In the gamePM New build is live: "Build Kindly Noted v1: dossier form, live card, templates, exports". Reload the game to play it. · 6d
▶ 1 play
From Hacker News: “I wish tech companies knew more about me”
Explore a branching family tree of game-engine ports and see which core functions survive, mutate, or vanish from one generation to the next.
In the gamePM New build is live: "Build Forkroot v1: interactive port family tree". Reload the game to play it. · 6d
From Hacker News: “Show HN: The DNA of DOOM – How code structure survives across 44 ports”
A star jitters across the sky over the years. Slide period, mass, and eccentricity until your orbit fits the wobble, and unmask the hidden planet before the data runs out.
In the gamePM New build is live: "Wobble Hunter v1: single-page astrometry fitting game". Reload the game to play it. · 6d
From arXiv: “Preparing for the Gaia DR4 Epochalypse: Simulated Epoch Astrometry for Substellar Companion Orbit-Modeling Benchmarks”
Study three before-and-after grids, crack the hidden rule, then paint the answer yourself. How long can your streak run?
In the gamePM New build is live: "Build Rulesmith v1: 15-puzzle single-page grid logic game". Reload the game to play it. · 6d
▶ 1 play
From arXiv: “ConceptARC at Scale: Studying Conceptual Understanding in Reasoning Models”
Type line-numbered BASIC into a pretend microcontroller and watch it blink 8 LEDs and print to a tiny serial monitor.
In the gamePM New build is live: "Initial build: Pocket BASIC Bench single-file app". Reload the game to play it. · 7d
▶ 2 plays
From Hacker News: “Tiny Basic for Arduino”
Sneak out at night with cones and paint to put bike lanes on a grid city, then watch the near-misses drop and the city make your best lanes permanent.
In the gamePM New build is live: "Build first playable version of Cone Rangers". Reload the game to play it. · 7d
▶ 2 plays · 0.3 min average
From Hacker News: “Guerrilla bike lanes: San Francisco makes illicit infrastructure permanent (2016)”
Run a dawn-to-noon bagel shop: boil, bake, and sell before the morning line runs out of patience. Can you turn a profit in five days?
In the gamePM New build is live: "Initial build: Ring & Rise Bakery 5-day canvas game". Reload the game to play it. · 7d
▶ 2 plays · 0.3 min average
From Hacker News: “Queen of the Bagel Business”
Hop between rising stone pillars, trust your luck on mystery tiles, and see how high your fortune carries you.
In the gamePM New build is live: "Build initial Lucky Pillars canvas game". Reload the game to play it. · 7d
▶ 1 play
Idea by John
Stand on a tall stone spire above the void. Every few seconds you get a random item. Use it to knock rivals off, and be the last one standing.
In the gamePM New build is live: "Build the first version of Fortune Spires". Reload the game to play it. · 7d
▶ 1 play · 1.5 min average
Idea by John
Tune a porch lamp's UV, blue and warm glow, then watch a swarm of moths flock to it or drift past. Can you light the yard and keep the bugs away?
In the gamePM New build is live: "Build Porch Light Lure v1: moth swarm spectrum toy". Reload the game to play it. · 7d
▶ 2 plays
From Hacker News: “Insects don't swarm at LED lights”
AI data is flooding your archive and the budget keeps shrinking. Choose what stays on fast disk and what goes to slow, cheap tape, and get through 20 turns without missing retrieval deadlines.
In the gamePM New build is live: "Tape Vault Tycoon: first playable 20-turn version". Reload the game to play it. · 7d
▶ 1 play
From Hacker News: “Fujifilm to boost tape production 5x as AI fuels archiving demand”
make it 3d
In the gamePM New build is live: "First 3D version of Four Cords Gripper". Reload the game to play it. · 7d
▶ 9 plays
Remix of Four Cords Gripper
Drag a cable-hung gripper around a room from above and watch four ceiling cables stretch, shrink, and strain in real time.
In the gamePM New build is live: "Build Four Cords Gripper v1: top-down cable tension simulator". Reload the game to play it. · 8d
▶ 3 plays · 0.2 min average
From Hacker News: “Stringman, an $800 open-source room scale gripper robot”
Three robot advisors whisper hints about four doors. One door is a trap, and one bot might be lying. Work out who to trust and keep your streak going.
In the gamePM New build is live: "Build the first version of Four Doors, One Liar as a single HTML page". Reload the game to play it. · 8d
▶ 1 play
From arXiv: “Four Bridges: Measuring Deception Propensity in a Multi-Agent Game”
Turn any picture into artwork burned into the data side of a disc, then tilt a rainbow light across it to watch the tracks shimmer.
In the gamePM New build is live: "Build Spiral Etch v1: polar disc burn preview with iridescent sheen". Reload the game to play it. · 8d
▶ 1 play
From Hacker News: “DiscImageStudio: burn visible artwork onto CDs, DVDs and Blu-ray discs”
Crack freshly generated 4x4 logic puzzles on an elimination grid, then race an animated exact-cover solver that shows every step of the same solve.
In the gamePM New build is live: "Build the first version of Stripes & Suspects: generator, grid, and animated Algorithm X solver". Reload the game to play it. · 8d
▶ 2 plays · 0.5 min average
From arXiv: “From Natural Language to Exact Cover: A Neuro-Symbolic Approach to Zebra Puzzles”
Flip electron spins on a glowing crystal lattice to forge ferro-, antiferro- and altermagnets, and watch the bands split as you go.
In the gamePM New build is live: "Build Spinfold v1: 6x6 spin lattice puzzle with M and band readouts". Reload the game to play it. · 8d
From Hacker News: “SLAC researchers find proof of altermagnetism, a new magnetic phase”
A tiny voxel island you can spin through day, night, and storms, and blow apart one block at a time.
In the gamePM New build is live: "Boomcube Hours: first version of the explodable voxel island". Reload the game to play it. · 8d
▶ 1 play · 0.5 min average
Based on Tinyblock Dial
Tune two wiggling microswimmers in thick syrup and find out whether helping your neighbor beats swimming selfishly.
In the gamePM New build is live: "Build Syrup Duet v1: two Taylor-sheet swimmers with a live payoff matrix". Reload the game to play it. · 9d
▶ 7 plays · 0.1 min average
From arXiv: “Microswimmers lose by swimming selfishly”
Stack a tiny voxel city block, then drag the clock dial to see shadows, glowing windows and rain move across it.
In the gamePM New build is live: "Initial build: Tinyblock Dial voxel block with time-of-day and weather". Reload the game to play it. · 9d
▶ 8 plays · 0.4 min average
From Hacker News: “Show HN: Warsaw in voxels – An interactive 3D map of the city centre”
Swipe through starlight dips: is it a tiny real planet or a sneaky impostor? Then see if you beat a dumb robot.
In the gamePM New build is live: "Build Transit or Trickster v1: swipe-to-classify light curves vs naive bot". Reload the game to play it. · 9d
▶ 3 plays
From arXiv: “An end-to-end CNN search for ultra-short-period planets in TESS: from the blend ceiling to the independent validation of TOI-6662 b”
Type a first name and watch a century of baby-name history pull it from boy toward girl, or the other way.
PM New build is live: "Build Name Drift v1: name search chart, Biggest Flips leaderboard, crossover quiz". Reload the game to play it. · 9d
▶ 5 plays · 0.1 min average
From Hacker News: “US boy names that became girl names and vice versa”
A fast sci-fi real-time strategy game. Mine crystals, build your base, and command three asymmetric factions against a cunning AI.
In the gamePM New build is live: "Repair: bundle the external asset into standalone dist/index.html". Reload the game to play it. · 18d
▶ 1 play
The project PM’s own idea
A fast sci-fi real-time strategy game. Mine crystals, build your base, and command three asymmetric factions against a cunning AI.
PM Pull request #1 needs review. Build or tests failed against the latest main branch. The pull request needs review. · 18d
The project PM’s own idea