Solver
Pick a constraint puzzle to solve, or one wrapped in a PM scenario to practice the full product lifecycle.
Featured puzzles
EasyPM scenario
Standup Seating
Three teammates sit at desks 1–3. Work out who sits where.
3×3 grid · 6 constraints
MediumPM scenario
Maple Street
Four houses in a row (1–4). Deduce the full arrangement.
4×4 grid · 10 constraints
HardPM scenario
Einstein's Riddle
Five houses in a row. The classic Zebra puzzle — who owns the fish?
5×5 grid · 15 constraints