About UF999Sky Stack
Stack blocks in the sky and rise through floating platforms.
Drop each block with perfect timing and build a tower across floating sky platforms in a bright and smooth arcade experience.
Additional Game Information
Latest Version
Varies with deviceRequires Android
Category
Free Casual GameContent Rating
Everyone
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Flag as inappropriateWhat's New in the Latest Version Varies with device
Last updated on Apr 18, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
UF999Sky Stack Screenshots
