Slacken

Slacken is a puzzle of pure spatial reasoning. Each level hands you a tangle of nodes connected by straight lines. Your job: drag the nodes around the canvas until no two lines cross. That's the whole game. No timers. No move counters. No coins, gems, or energy meters. No predatory ads interrupting every level. Every puzzle is provably solvable by construction, so you never have to wonder whether you've hit a dead end. — FEATURES — • 90 hand-tuned levels spanning seven classic graph topologies — wheels, ladders, grids, prisms, antiprisms, triangulated polygons, random planar graphs. • Endless mode: unlimited procedurally-generated puzzles, deterministically seeded so a given level number always produces the same puzzle. • A daily challenge — one date-seeded puzzle, the same for every player in the world. Keep the streak alive. • The Specimen Archive: every first solve files a…