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Alien Syndrome (set 2, System 16A, FD1089A 317-0033)
Alien Syndrome (set 2, System 16A, FD1089A 317-0033): arcade Run and Gun
This is the original arcade version of Alien Syndrome, released by Sega in 1987 for their System 16A hardware. It's a top-down run and gun shooter that predates the better-known 2007 PSP/Wii remake by Totally Games, which takes place a century later and adds RPG elements. Here, you're playing the classic that started it all, running on the original arcade board (FD1089A 317-0033) as part of a second set revision. The game was designed by Sega's internal arcade division, a time when quarters ruled the floor and every second mattered.
You control a lone soldier moving through a series of maze-like bases overrun by alien creatures. The goal is to find and rescue all the hostages trapped inside while blasting anything that moves with a limited but upgradable weapon. The view is overhead, and you can walk in eight directions, shooting in the direction you face. Each stage ends with a boss fight, and clearing the level moves you on to a new base with tougher enemies. The core loop is simple: navigate the map, kill aliens, free hostages, survive the boss. It's fast, unforgiving, and rewards memorization over raw reflexes.
For retro enthusiasts, this arcade ROM is a time capsule of late-80s coin-op design. It's not as deep as later shooters, but its straightforward action, quirky alien sprites, and tense countdown to rescue hostages give it a unique charm. Compared to other Sega System 16A titles like Shinobi or Fantasy Zone, Alien Syndrome is more methodical, emphasizing exploration over non-stop shooting. If you enjoy classic run and guns or want to see where the franchise started, this version is the real deal.
You control a lone soldier moving through a series of maze-like bases overrun by alien creatures. The goal is to find and rescue all the hostages trapped inside while blasting anything that moves with a limited but upgradable weapon. The view is overhead, and you can walk in eight directions, shooting in the direction you face. Each stage ends with a boss fight, and clearing the level moves you on to a new base with tougher enemies. The core loop is simple: navigate the map, kill aliens, free hostages, survive the boss. It's fast, unforgiving, and rewards memorization over raw reflexes.
For retro enthusiasts, this arcade ROM is a time capsule of late-80s coin-op design. It's not as deep as later shooters, but its straightforward action, quirky alien sprites, and tense countdown to rescue hostages give it a unique charm. Compared to other Sega System 16A titles like Shinobi or Fantasy Zone, Alien Syndrome is more methodical, emphasizing exploration over non-stop shooting. If you enjoy classic run and guns or want to see where the franchise started, this version is the real deal.
How to Play Alien Syndrome (set 2, System 16A, FD1089A 317-0033) Online
First, press Enter to add a credit (coin-up) and then press X to start the game. You control your character with the Arrow Keys, moving in eight directions through the scrolling maze. The primary action is shooting: press S to fire your current weapon in the direction you're facing. You start with a basic gun, but you can pick up power-ups dropped by certain enemies to get a spread shot or flame thrower. Your goal is to find and touch all the hostages (shown as green figures on the map) before the timer runs out. You can also use the Select button (V) to toggle between weapon types if you've picked up more than one.
The core loop is straightforward: move quickly, shoot aggressively, and keep an eye on the mini-map (if visible) to see where hostages and the exit are. Each stage has a boss that appears after all hostages are rescued; defeat it to advance to the next level. The game gives you a limited number of continues, and your score accumulates across them. The arcade original is tough - enemies respawn, and the corridors are tight, so avoid getting cornered. If you're playing on an emulator, you can set the dip switches for difficulty or lives in the service menu (press Tab in most emulators). Just remember: this is a quarter-muncher from the 80s, so don't expect to beat it on your first go.
Alien Syndrome (set 2, System 16A, FD1089A 317-0033) 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
What makes Alien Syndrome stand out among Arcade titles of its era?
The blend of run-and-gun shooting with rescue-mission objectives gave it a distinctive feel. Instead of just surviving waves, you had to actively search each maze for hostages, adding a layer of exploration and time pressure that set it apart from pure shooters like Commando or Ikari Warriors.
Is Alien Syndrome exclusive to Arcade or did it appear on other systems?
The original arcade version from 1987 was ported to several home computers and consoles, including the Atari ST, Commodore 64, Master System, NES, and later Sega Genesis as part of compilations. The 2007 PSP/Wii version is a full sequel, not a port of this arcade game.
What type of game is Alien Syndrome?
It is a top-down run and gun shooter with light exploration elements. You control a soldier in a scrolling maze, shooting aliens while rescuing hostages. The genre is typically classified as run and gun or action shooter, with a single-screen mini-map and timed stages.
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