A choose-your-own-adventure book of shape-packing logic puzzles set in a dreamlike world.
Here's an excerpt from CERT's itch.io description:
CERT is an explorable puzzle book. Discover a surreal, dreamlike world filled with classic deduction-based paper puzzles!
Pure puzzler
Has narrative
No timing or dexterity
No randomness during problem solving
Grid-based
Medium difficulty to reach an ending
No hints
Discover the writing system of the Abb through shape-packing puzzles.
Solve minesweeper-like logic puzzles on a hexagonal grid.
Minesweeper-like logic puzzles on a hexagonal grid.
Discover the logic rules of the relics and learn of the settlers that left them behind.
A blend of nonograms and minesweeper in ambient logic puzzles.
Minesweeper taken to the extreme with new rules and fully deductive puzzles.
Solve aquatic nonograms where water flows down with gravity.
Remove cells from the grid so rows and columns add up in this abstract logic puzzle game.
Master 14 new Minesweeper rule variants with purely deductive logic puzzles.
Minesweeper-style logic puzzles on a variety of grids with no guessing required.
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