Global Defense
SMS
Global Defense
Sega Master System
The emulator loads when you click — nothing to download
AD
Controls Keyboard → Sega Master System
Arrows / WASD D-Pad
Z Button 1
X Button 2
Enter Start / Pause
F Fullscreen
USB and Bluetooth gamepads are detected and mapped automatically as soon as you connect them.
About Global Defense
This 1990 vertical shooter has you commanding a fighter jet defending Earth from waves of enemy aircraft and missiles, mixing air and ground targets across intense scrolling levels.
Console
Sega Master System
