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Alien Syndrome (set 5, System 16A, FD1089B 317-0037)

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Alien Syndrome (set 5, System 16A, FD1089B 317-0037)
Arcade Run and Gun Pub Sega Dev Sega 1987 Japan, USA, Europe 1-2 Players 5 (0) 8

Alien Syndrome (set 5, System 16A, FD1089B 317-0037)

Alien Syndrome (set 5, System 16A, FD1089B 317-0037): arcade Run and Gun

This is the original arcade release of Alien Syndrome, a top-down run and gun game that Sega put out in 1987. It runs on Sega's System 16A hardware, and this particular set (number 5) uses the FD1089B encryption chip. The game was ported to several home systems later, but this is the authentic coin-op experience. You play as a commando fighting through alien-infested spaceships to rescue hostages before time runs out.

How to Play Alien Syndrome (set 5, System 16A, FD1089B 317-0037) Online

Pop in a coin (press 5 on the keyboard to add credits, then Enter to start). You control a soldier who moves with the arrow keys and fires with the Z (Y button) or S (B button) - the S button is your main weapon. The goal is to clear each level of aliens and rescue the hostages (they appear as blue figures).

Walk over a hostage to pick them up, then carry them to the exit pad at the bottom of the screen. You only have a limited time per stage, so keep moving and shoot everything that moves. If any hostage dies, you lose a life. Power-ups like better guns and shields appear occasionally from defeated enemies.

Later stages introduce tougher aliens and more complex mazes. Remember that the arrow keys also let you aim in eight directions while moving. The game is in English, so menus are straightforward. Your score and remaining lives are displayed at the top of the screen.

Alien Syndrome (set 5, System 16A, FD1089B 317-0037) Keyboard Controls

Controls

  • Arrow Keys: Joystick / Movement
  • X: Button 1
  • S: Button 2
  • Z: Button 3
  • A: Button 4
  • Q: Button 5
  • E: Button 6
  • Enter: Start / 1P
  • V: Coin / Insert

Frequently Asked Questions

Does Alien Syndrome have a multiplayer or co-op mode?
The arcade version supports two players simultaneously. Each player controls a different character and can rescue hostages together. It is a cooperative experience where both players share the same screen.
Is Alien Syndrome exclusive to Arcade or did it appear on other systems?
It was ported to several home computers and consoles including the Sega Master System, NES, and Commodore 64. The arcade original remains the definitive version due to its smoother gameplay and more detailed graphics.
Who developed Alien Syndrome?
Alien Syndrome was developed and published by Sega. The arcade hardware was designed by Sega's internal teams, and the game was directed by Katsuhiro Hayashi.

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