Straight to the point: 512 Wide is a 5×5 board where the target tile is 512, playable in your browser right now. It is tuned for quick runs, honest difficulty, and controls that make sense the first time you touch them.
Swipes move every tile at once, so each move commits you - there is no undo and no taking back a careless push. Equal tiles merge and double, and the score climbs with every merge. Reaching 512 ends the round in victory, but the grid only has so much room.
Nothing here needs a tutorial or a wiki. Controls are one gesture, the goal is one sentence, and the difficulty comes from execution rather than homework. That is exactly what a browser game should be.
Merge equal tiles on a 5x5 grid and reach 512.
Read 512 Wide as a Teka Shelf game first and a Teka Shelf game second. The shape explains how the session will end; the group explains what it will ask of you before that.
It is rated 4.7 out of five in our notes, and the number is held up mostly by how quickly it can be restarted rather than by how clever it is.
Keep it if you play in short bursts. It rewards a second attempt far more than a first, and the second attempt costs nothing but the tap.