Alien Syndrome
SMS
Alien Syndrome
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 Alien Syndrome
Rescue trapped scientists in a maze-like alien base in Alien Syndrome, a 1987 Master System port of Sega's arcade shooter. Blast through overhead levels against the clock before the self-destruct sequence goes off.
Console
Sega Master System
