The Escape Grid blog
Notes on how sliding block puzzles work, what they train, and how we design and verify levels. We write these when we have something specific to say, so the list grows slowly on purpose.
Why sliding block puzzles are harder than they look
Sliding block puzzles look simple and resist you anyway. Here is what actually makes them difficult, and how understanding that changes the way you play.
· 5 min read
What puzzle games actually train (and what they don't)
An honest look at what sliding block and spatial puzzle games improve, what the research does not support, and how to get the most out of ten minutes of play.
· 4 min read
How an Escape Grid level is built and checked
Every one of the 160 levels is generated, solved by a breadth-first search and then rejected or kept. Here is the pipeline, including the boards that get thrown away.
· 6 min read
Why half of all 15 puzzles are impossible
Exactly half of the scrambled 15 puzzle boards you can build cannot be solved, and you can tell which half in under a minute. The parity rule, explained without algebra.
· 5 min read
The thirty seconds before your first move
Strong players spend longer looking and far less time moving. A four-step routine for reading a blocked board, and why the obvious first move is usually wrong.
· 4 min read
Why one puzzle a day beats a hundred in an evening
Everyone gets the same Daily Challenge board, and there is only one attempt that counts. Why that constraint makes the puzzle better, and how the streak actually works.
· 4 min read