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Alien Storm


Alien Storm

| 1990

Release type:
Developer: Sega
Controls/Input Device: Control(joy8way), Buttons(3)
Number of Players: 3
More Creator:
More Coder/Software:
License from/Copyright:
SoundMix: Stereo
More Graphics/Artwork:
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Acting Talent involved:
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Game Awards Nominations:
Game Awards Won:
Title a.k.a.:
Avg. Playtime:
Mameinfo.dat entry:
0.37b10 [Yochizo]


- 0.147u2: hap fixed clone Omega Fighter Special. The game fails to boot or finish post. After showing bad rom errors, the game resets.

- 0.147u1: Fixed maincpu rom loading.

- 0.122u7: Fixed gfx1/2/3/4/5 rom loading.

- 0.89u3: Changed Z80 CPU2 clock speed to 5MHz.

- 0.37b10: Yochizo added 'Omega Fighter' (UPL 1989) and clone Omega Fighter Special.

- 21st November 2000: Yochizo fixed some graphics bugs in the Omega Fighter / Atomic Robo-kid driver.

- 8th November 2000: Yochizo sent in a driver for Omega Fighter and Atomic Robo-kid.

- 25th April 1999: Dumped Omega Fighter Special.

LEVELS: 8 (restarts once)

Other Emulators:

* FB Alpha


* Raine

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Romset: 2016 kb / 8 files / 457.8 zip

Credits Mameinfo and Mametesters Project Robert J. Rabgno et al.
History.dat entry:
Alien Storm (c) 1990 Sega.

Alien Storm is a side-scrolling beat-em-up in which up to 3 players take on the role of one of 3 futuristic warriors. The game heroes are charged with destroying the hoards of repulsive aliens who are invading the Earth. Many of the aliens are disguised as a variety of everyday street objects; such as telephone booths, oil cans, trash cans and mailboxes. The aliens reveal their true forms as the warriors approach.

Each of the 3 heroes carries their own individual weapon; Gordon has his plasma gun, Karla has a flamethrower and Scooter has an electric whip. At the end of each level, the warriors will enter a building and the shoot-em-up action will switch to a first-person perspective.


Game ID : 317-0146 / 317-0147 / 317-0148

Runs on the "Sega System 18" hardware.

Players: 3
Control: 8-way joystick
Buttons: 3

Cabinet dimensions : 74in. (188cm) High x 33,1in. (84cm) Wide x 42,5in. (108cm) Wide.
Cabinet weight : 331 lbs (150 kg).


Alien Storm was released in May 1990 in Japan and was the second game in Sega's System 18 motherboard series.

Gilius, the dwarf from "Golden Axe", appears as a judge in the final voting. The player characters from "Golden Axe" appear in the TVs of the first-person shooting levels.

This game features an odd option: by pushing the service mode button you enter a menu with the usual configuration options, the last one allows machine owner's to put their own store name in the introduction of the game (Led sign in the Alien Busters van).

Pony Canyon / Scitron released a limited-edition soundtrack album for this game (Hyper Drive : G.S.M. Sega 4 - PCCB-00035) on 21/07/1990.


FD1094 317-0146 :
* Japanese version (up to 2 players).

FD1094 317-0147 :
* US version (up to 3 players).
* "Winners Don't Use Drugs" screen added.
* Different levels' graphics and design!
* Energy recharge system added (see 'Tips and Tricks').

FD1094 317-0148 :
* World version (up to 3 players).


* US version only : to recharge energy, just insert coins and press START button anytime during the game. Each coin recharges 1/3 of the bar.


Designed by : Team Shinobi Ver.4


* Consoles :
Sega Master System [EU] (1991) "Alien Storm [Model 7075]"
Sega Mega Drive [BR] (1991) by Tec Toy
Sega Genesis [US] (1991) "Alien Storm [Model 1121]"
Sega Mega Drive [EU] [AU] (1991)
Sega Mega Drive [JP] (June 28, 1991) "Alien Storm [Model G-4048]"

* Computers :
Sinclair ZX Spectrum [EU] (1991)
Commodore C64 [US] [EU] (1991)
Amstrad CPC [EU] (1991)
Commodore Amiga [US] [EU] (1991)
Atari ST [EU] (1991)

* Others :
Mobile Phones [US] (August 27, 2003)


Edit this entry:

Licensed from Alexis Bousiges under a CC Attribution 3.0 License
cheat.dat entry:
60000000 000000 00000000 00000000 ------------------------------------------------------------------
60000000 000000 00000000 00000000 Invincibility only works for the following missions
60000000 000000 00000000 00000000 1-1, 2-1, 2-3, 3-1, 3-5, 3-7, 4-1, 4-5,
60000000 000000 00000000 00000000 5-1, 5-2, 5-4, 6-1, 6-2, 6-4, 6-5.
60000000 000000 00000000 00000000 Don't set Rapid Fire for the 3D scene when playing the 2D scene.
60000000 000000 00000000 00000000 ------------------------------------------------------------------
00000000 FF200D 000000A0 FFFFFFFF Infinite Life PL1
00000000 FF200E 00000080 FFFFFFFF Infinite Energy PL1
00000000 FF0061 00000078 FFFFFFFF Invincibility PL1
00000000 FF2031 00000000 FFFFFFFF No delay for extra weapon PL1
00000000 FFE018 00000000 00000001 Rapid Fire - 2D Scene PL1
00000000 FFE019 00000000 00000001 Rapid Fire - 3D Scene PL1
60000000 000000 00000000 00000000
00000000 FF210D 000000A0 FFFFFFFF Infinite Life PL2
00000000 FF210E 00000080 FFFFFFFF Infinite Energy PL2
00000000 FF0861 00000078 FFFFFFFF Invincibility PL2
00000000 FF2131 00000000 FFFFFFFF No delay for extra weapon PL2
00000000 FFE118 00000000 00000001 Rapid Fire - 2D Scene PL2
00000000 FFE119 00000000 00000001 Rapid Fire - 3D Scene PL2

Credit Pugsy's MAME Cheat file

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