INVADER DEFENSE
Sector Shield System // v2.1
System
STANDBY
Sector
ALPHA-1
Score / Credits
0
INVADER DEFENSE
SECTOR ALPHA // CLEARANCE REQUIRED
← → / A D  ·  MOVE CANNON
SPACE  ·  FIRE
P / ESC  ·  PAUSE
← → MOVE  ·  SPACE FIRE  ·  P PAUSE  ·  S SHOP  ·  M MUTE