Enjoy the epic Alien Syndrome Nes on NES (Nintendo) console directly in your browser. This is an awesome video game you can play online, but you can’t download.
← → ↑ ↓ = Directions
Z = A X = B
A = X S = Y
D = L C = R
enter ↵ = Start
shift = Select
Alien Syndrome NES: Classic Arcade Sci-Fi Survival
Alien Syndrome for the Nintendo Entertainment System (NES) is a pulse-pounding, top-down action game that pits players against hordes of extraterrestrial terrors. As the heroic space marine Mary, you must infiltrate infested alien starships, rescue captured crew members, and defeat grotesque bosses to escape before the timer runs out. Known for its intense difficulty and haunting atmospheric soundtrack, this arcade port remains a beloved cult classic for retro gaming enthusiasts who crave fast-paced, run-and-gun survival gameplay.
Keyboard Controls
- D-Pad (Arrows): Move character
- A Button (Z key): Jump
- B Button (X key): Fire weapon
- Start (Enter key): Pause game / Confirm selection
- Select (Right Shift): Menu toggle
