App info
- Installs
- 100+
- Category
- Puzzle
- Content rating
- Everyone
- Version
- 1.3.1
- Released
- Feb 3, 2026
- Last updated
- 14 Sept 2026
- In-app purchases
- No
- Contains ads
- No
- Promo video
- No
- Requires Android
- 9
Screenshots
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What's newin version 1.3.1
Fixed an issue that prevented Flow mode from starting again after returning to mode selection.
About this app
QA²(qa2) - Quantum chain puzzle! Match blocks, battle AI, and compete globally!
Read full description
■ Welcome to the Quantum World QA² is a fresh new puzzle game themed around quantum computing. Swipe and match colorful blocks to trigger massive chain reactions! ■ Satisfying Chain System Match blocks to trigger chain reactions. The satisfaction of watching blocks disappear one after another is truly addictive! Use timing and strategy to pull off huge combos. ■ Multiple Game Modes 【Rush Mode】 Race against the clock for the highest score! 【Depth Mode】 How deep can you go? Challenge yourself! 【Flow Mode】 Relax and play at your own pace. 【Overload Mode】 Push your limits! A challenge for advanced players. ■ Battle AI Anytime Featuring VS AI mode with powerful AI opponents. Enjoy intense battles even when playing solo. ■ Compete on Global Leaderboards Compete with players from around the world. Aim for the #1 spot in the global rankings! ■ Perfect For • Puzzle game enthusiasts • Players who love the thrill of chain reactions • Those looking to train their brain • Anyone curious about quantum computing • People seeking a quick gaming session Dive into the world of quantum puzzles!