About Trackstone: Footprint Lab
Become a trackway researcher in a sunlit 3D field lab. Use alternating left and right marks, stride spacing and direction clues to reconstruct missing footprints. Complete 60 evidence puzzles in three difficulties with gentle sound and saved stars.
How to Play Trackstone: Footprint Lab
Read the trackway strip from left to right. Tap a missing footprint to cycle through left and right feet and direction arrows. Match the repeating visible evidence: left and right alternate, while the direction follows the clue at each station. Arrow keys select a station and Enter cycles it. Fixed evidence cannot change. Complete every missing print. Hint restores one station; Reset restarts. Choose 60 trackways and three difficulties.