How to Play 2048: seven rules that get you to the 2048 tile
Almost every 2048 run ends the same way: the biggest tile leaves its corner, the board scrambles, and there is nowhere to merge. These seven rules exist to stop that one thing from happening. The board here uses a seeded, transparent shuffle — one spawn in ten is a 4.
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Pick a corner and never let the biggest tile leave
Every other rule follows from this one. Choose a corner at the start of the run, put your largest tile there, and treat the position as fixed. A board with the maximum in the middle is already losing, whatever the score says.
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Ban the direction that lifts your anchor
Anchoring bottom-left means never pressing up. Not "rarely" — never, until you have no other legal move. One careless press slides the big tile off the edge and the run is usually over.
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Keep the anchor row in descending order
The bottom row should read from your corner outward, largest to smallest. That way a merge in the row cascades instead of leaving a gap that a spawn can fill.
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Fill the anchor row completely
A full bottom row cannot be disturbed by left or right presses, which is exactly what makes those two directions safe to use freely. A gap in that row is a hole that the next spawn will occupy.
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Work the small tiles in the row above
Do your merging one row up and feed the results down. Pushing small tiles into the big row directly is what breaks the descending order you just built.
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Plan for the 4s
One spawn in ten is a 4, not a 2. A 4 landing in the wrong place is what usually breaks a full row — so when you have the choice, leave the gap where a 4 would still be useful rather than where it would be stranded.
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When forced, keep the most empty squares
Sometimes every move is bad. The least bad one is almost always the one that leaves the board emptiest, because empty squares are how many mistakes you can still absorb.
The corner rule and the banned direction are worth more than the other five combined. Most runs end within three moves of the first time the anchor moves.