4ร4 ยท Puzzle & Thinky on ArcadeOwl
Tap any tile beside the empty gap to slide it across.
Work the numbers into ascending order, row by row.
Solve the top rows first, then the final two rows together.
Use the arrow keys for quick desktop play.
โฆ Guaranteed-solvable shuffles
โฆ Move and time tracking
โฆ Clean numbered tiles