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Screenshots

  • Choodoku: Train Logic Puzzle screenshot 1
  • Choodoku: Train Logic Puzzle screenshot 2
  • Choodoku: Train Logic Puzzle screenshot 3
  • Choodoku: Train Logic Puzzle screenshot 4

About 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!

What’s new

Version 1.2.1 · Updated October 29, 2026

Bug fixes and improvements.

App privacy

The developer, Andrej Mazic, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers: Device ID

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Location: Coarse Location
  • Identifiers: Device ID
  • Usage Data: Product Interaction, Advertising Data
  • Purchases: Purchase History

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Diagnostics: Performance Data, Other Diagnostic Data, Crash Data

Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, App Functionality

Alternatives to Choodoku: Train Logic Puzzle

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