Free on iOS & AndroidBLOCKONAUT
Cosmic Puzzle Odyssey
Drop blocks, clear lines, and journey across 11 planets — detonate chain-reaction bombs, trigger gravity cascades, and crack open sealed vaults in a calm block puzzle adventure.
Prepare for Launch
Simple to learn, deep to master — classic block puzzles with a new twist on every planet you visit.
Classic Block Puzzle
Place blocks on the 8x8 grid and complete rows or columns to clear them. No timers, no pressure — plan each move and unwind in endless mode any time.
Special Blocks & Chain Reactions
Detonate bombs that blow up in 3x3 chains, trigger gravity cascades where blocks tumble and re-clear, and crack open sealed vaults with keys. Ice, stone, and creeping vines keep every board fresh.
165-Level Galaxy Adventure
Travel 11 themed planets, each introducing a new mechanic. Collect gems, rescue the lost astronaut, take on the Daily Challenge, and chase your high score.
Join the Blockonauts
Are you ready to explore the far reaches of space and test your block placement skills? Download Blockonaut today and start your cosmic puzzle adventure.