Subtraction Master-Math Game

🔥 10 seconds of tension! How fast is your brain?
Stop solving boring math problems!

'Subtraction Master' is an addictive math game that maximizes mental calculation skills under tight time limits.
It is effective for improving basic skills in children, as well as preventing dementia and exercising the brain in adults.

✨ Key Features:
- 🎮 Immersive Gameplay: Sudden Death mode – one mistake and it's over!
- Focus hard to reach #1 on the leaderboard.
- 📈 Progressive Difficulty: Naturally improve from simple one-digit subtraction to complex two-digit operations from Round 1 to 3.
- 🏆 Family Competition: Set personal goals like 'Beat Dad' or 'Reward: Ice Cream'.
- Fun for the whole family.
- ⚡ Play Offline: Lightweight and smooth – play anywhere, anytime without worrying about data!

🕹️ How to Play:
1. Solve the 10 problems given in each round.
2. The time limit for each question is only 10 seconds!
3. The faster you answer, the higher the bonus score.
4. One mistake or a timeout ends the game! Try to break your high score.

🎓 Educational Effects:
- Improve basic subtraction calculation speed.
- Strengthen instant concentration and working memory.
- Increase familiarity with numbers and mathematical thinking.

Recent changes:
Minor improvements:
- Enhanced round transition screen with gameplay instructions
- Improved UI polish and visual consistency - Sound effect refinements for better audio experience