The classic river-crossing puzzle, reimagined. Simple rules, surprising depth, and a whole lot of charm.
Everyone knows the puzzle. Nobody has played 108 variations of it.
Simple rules layer into genuinely challenging puzzles. Multiple rivers, weight limits, transformations, and time pressure keep every world fresh.
Colorful emoji characters with idle animations that bring each scene to life. Every world has its own cast and personality.
Each level takes 1-3 minutes. Ideal for commutes, waiting rooms, and quick breaks. One-handed controls, no internet required.
Never stuck forever. The built-in solver calculates the optimal next move from your current state. One free hint per level, plus hints earned through play.
Design your own puzzles with custom characters and conflict rules. Export and share them as .riverlevel files via AirDrop or Messages.
Complete VoiceOver support, Dynamic Type, and reduced motion mode. A thinking game that welcomes everyone.
Each world introduces a new mechanic that changes how you think about the puzzle.
12 levels. The classic puzzle and its variations. Fox, rabbit, cabbage — and then things get interesting.
16 levels. Two rivers with an island in between. Plan across multiple crossings with tigers, monkeys, and toucans.
16 levels. Weight limits on the boat. Polar bears are heavy, fish are light. Plan your cargo carefully.
16 levels. Transformation rules. A frog near a magic mushroom becomes a prince. Some transformations are required, others spell failure.
16 levels. Oxygen depletes. Certain aliens can only survive alone for N turns. Still turn-based, but efficiency matters.
16 levels. Currents push the boat to different landing spots. Account for drift when planning your route.
16 levels. Help beloved fairy tale characters cross the river. Combines mechanics from all previous worlds.
Scroll to see all worlds
60 levels completely free. Pay once to unlock everything — no subscriptions, no tricks.
Less than a coffee for hours of puzzles
60 levels free. No ads. No account required. Just puzzles.