2048
How 2048 Online works
This page documents the rules and mechanics used by the game so players can understand scoring, device data and how strategy experiments are produced.
Tile spawning and scoring
After each valid move, the game chooses a random empty cell and spawns a 2 with 90% probability or a 4 with 10% probability. When equal tiles merge, the score increases by the value of the newly created tile.
Progress and device storage
Current games, best scores, statistics and recent history are stored in browser storage on the device. Challenge state uses session-scoped storage so a challenge is kept separate from normal play progress.
Seeded challenges and reproducibility
A challenge can use a seed to create a reproducible random sequence. When two players open the same valid challenge, the game can use the same random source instead of generating unrelated sequences on each device.
Strategy benchmark
The Strategy & Data page currently publishes a 2,000-game benchmark snapshot and its method. That number is changed only when the experiment can be rerun and the resulting data can be checked; it is not inflated for SEO.
Limits and interpretation
Benchmark results describe the published test configuration and method; they do not guarantee that every player will reproduce the same outcome. Browser state, moves, board mode and real play decisions can all change results.
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