Fill Out Puzzle
com.riomaster.fillout
FreeContains adsIn-app purchasesEveryone
Launch numbers
1K+Installs
3.7 / 13Rating
Jan 11, 2026Released
Jul 29, 2026Updated
What it is
Slide the Blocks & Drain the Water
Slide blocks across the board to guide water toward the exits. Each level challenges you to think ahead, clear paths, and control the flow with smart positioning. What starts simple quickly becomes a test of strategy and timing.