The Arcade

Learning disguised as procrastination. Six games, all hand-built, all free. Play enough and the glossary starts making sense on its own.

HIGH SCORES · THIS DEVICEMission Zero–Crypto Quiz–Memory Match–Whole Bitcoiner–Neon Snake–

Mission Zero gameplay: first-person on the practice range, weapon raised, the rocket stacked on the launch tower and hostile drones inbound.

MZERO_05 · NEWMISSION ZEROThe 3D launch sim. Flight school, a range that shoots back, three weapons, eight stages, one enormous rocket.8 stagesINSERT COIN

KERB_06KERBA 3D skateboarding game in a fictional London district at golden hour. Flip, grab and grind from the Thames to the rooftops.6 areasINSERT COIN QUIZ_01Crypto Quiz660 hand-written questions. Six ranked difficulty tiers from Tourist to PhD, plus twelve chain-mastery tracks with badges to collect.660 questionsINSERT COIN MATCH_02Memory MatchPair the protocols against the clock. Twelve coins, twenty-four cards, and a best-time board that only counts on this device.24 cardsINSERT COIN SATS_03Whole BitcoinerThe millionaire ladder, denominated in sats. Bank or push on, spend your oracles wisely, and climb from pocket change to a whole coin.68 questionsINSERT COIN SNEK_04Neon SnakeEvery terminal needs one. Arrows or WASD on desktop, swipe or D-pad on your phone. The cube is the food; the walls are final.∞ livesINSERT COIN

Written by a model

Four games an anonymous model wrote

On 16 September 2026 OpenRouter listed stealth/union-alpha with no owner named. We asked it to build playable games, and every line of game code in these four came back from that endpoint. See how they were made.

SLICE_A1True SliceDrag a blade through a melon and the shape is really cut. The pieces keep falling, and the area is conserved.Play ▸RIND_A3Rind RunnerAn endless roll in three dimensions. Steer the crates, take the jumps, watch the rind crack.Play ▸SEED_A4Seed SpitAn artillery duel with seeds, over terrain that tears open where the shot lands.Play ▸PATCH_A5Melon PatchPlant, water and harvest against the clock, with the weather and the pests on their own schedule.Play ▸

Written by a model

A 3D train set a second anonymous model built

On 23 September 2026 OpenRouter listed stealth/space-bunny-alpha, and its token counts match MiniMax's on all 50 of our fingerprint strings. We asked it for a tabletop model railway, and every line of the game came back from that endpoint.

RAIL_B1Willow Vale RailwayFour trains share a village railway on a table, with a flyover, a spiral and four bridges. Take any one, switch the points, and ride in the chase camera from noon to night.Play ▸

Scores and badges live in your browser only, and nothing leaves this device.