Choodoku: Train Logic Puzzle

Choodoku is a cozy logic puzzle about a little train with a big job.

Lay one continuous track through every tile of the grid, stop at each numbered station in order and pick up every passenger along the way. When everyone's aboard, watch your train chug off on its victory ride!

Easy to learn, hard to put down. Every puzzle has exactly one solution, so it's always pure logic, never luck.

HOW TO PLAY

• Start at station 1 and drag to lay track
• Visit the stations in order: 1, 2, 3…
• Fill every single tile. No gaps, no crossings
• Made a wrong turn? Just drag back or tap Undo

FEATURES

• Hand-crafted routes that grow from gentle warm-ups to real brain teasers
• Daily Ride: a fresh puzzle every day. Keep your streak going!
• Endless mode for when you just can't stop
• Dozens of cute animal passengers riding in your wagons
• Beautiful day and night themes
• Hints when you're stuck. Start with 6 free hints and earn more anytime
• Achievements, leaderboards and daily challenges with Game Center
• Your progress syncs across your iPhone and iPad with iCloud
• Play offline, anywhere
• Relaxing music and sounds, with no timers pushing you

PERFECT FOR Fans of path puzzles, one-line drawing games, number mazes, connect-the-dots and sudoku-style logic, or anyone who wants a calm, clever break in their day.

Choodoku is free to play. It includes optional ads, and a one-time "Remove Ads" purchase turns off ads between levels.

Hop on and see where the tracks take you. Choo choo!