Controls: ← → move   •   Z jump   •   X shoot   •   C dash
Power-ups: 🔫 Gun (press X)   •   💨 Dash (press C)   •   ⭐ Invincible (short time)   •   🔑 Key (unlocks)   •   🚩 Checkpoint (respawn here)   •   🌀 Warp (teleport)   •   🎵 Note (hint)