What happens when you combine fun math problems, ever evolving rules, and a twist and turn or two? Well 6-5-4 of course!
Examine the challenge grid, tap an empty square to see what numbers are still available for use, and select your answer. Each X and Y axis must equal the challenge prompt and be sure to solve the puzzles before time runs out!
Latest Version
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Đại Phúc
Requires Android
Android 7.1+
Category
Free Puzzle GameContent Rating
Everyone
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Flag as inappropriateLast updated on Apr 27, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!