✛ Move with WASD / arrows, or drag anywhere on mobile.
➹ Your ship auto-fires at the nearest enemy — just aim yourself.
◆ Grab drops for new weapons (laser / shotgun / missiles) and buffs (rapid, shield, magnet).
☠ Every wave ends in a boss fight — clear it for a big reward.
⚡ Shift / the DASH button bursts you forward with brief invincibility.
▲ Grab the same weapon twice in a row to level it up (max ×3).