🎮 Controls
| Mouse / Touch | Steer the ship |
| A / ← → / D | Keyboard steering |
| Auto | Ship fires continuously |
| Space | Pause / Resume |
❤️ HP Changes
| Event | HP |
|---|
| Asteroid hits ship | −5 |
| Rocket hits ship | −15 |
| Boss collision | −25 |
| Every 7 asteroid kills | +1 |
| Boss destroyed | +50 |
🏆 Scoring
| Destroy asteroid | +10 pts |
| Boss kill bonus | +500 × Boss Level |
☄️ Miss Counter
Every asteroid that slips past your ship adds 1 to the Missed counter. If 1000 asteroidsescape, it's game over — even if you're still alive!
⚡ Weapon Upgrades
Defeat a boss to unlock a helper spacecraft. Each helper fires a laser beam alongside you.
| Boss Killed | Formation |
|---|
| 1st Boss | Main ship only |
| 2nd Boss | + 1 Left helper |
| 3rd Boss | + 1 Right helper |
| 4th Boss | + 2nd Left helper |
| … | Keeps expanding! |
⚠️ Boss Schedule
| Score | Level | Missiles | Boss HP |
|---|
| 1,000 | Lv.1 | 1 | 150 |
| 5,000 | Lv.2 | 2 | 250 |
| 10,000 | Lv.3 | 3 | 350 |
| 15,000 | Lv.4 | 4 | 450 |
| 20,000+ | Lv.N | N | +100 each |
Boss rockets need 3–4 hits to destroy. Asteroids slow down during boss fights.