A-JAX is a vertically scrolling shmup arcade game released by Konami in 1987. The game was also released on the home computer systems ZX Spectrum, Amstrad CPC and Commodore 64 in 1988 by Imagine Software under the name Typhoon, the one chosen for distribution outside Japan and on Sharp X68000 by SPS as "A-JAX" in its home country. The players control a "Tom Tiger" helicopter (Ah-64 Apache) in the 2D stages and later a "Jerry Mouse" (F-14D) fighter jet in the 3D stages and shoot enemies in the air and bomb them on the ground, collecting power-up's and defeating bosses to advance levels.


The game takes place in a fictional 2007 where the Earth has been conquered by alien invaders. The player combats the occupation forces using vehicles under operation code named 'A-Jax' created to liberate the Earth. Game play is divided into two scrolling sections with two different vehicles: the first being a vertical scrolling section with the helicopter and a Rail scrolling stage with the jet/space fighter. The game spans eight stages and extends are set to 30,000 and a second at 150,000 points.

During the helicopter segments, the player has access to four different weapons including the Vulcan, Bomb, 3-Way, Triple and Laser. Each weapon is available through their own specific pick-up icon. However, the helicopter can only equip one firing weapon at a time with the Bomb being constant. The player also has access to Options which add additional firepower. The jet segments contrast highly from the helicopter segments in the complete lack of available power-ups and additional weapons beyond a machine gun and bomb.

Relation with Gradius

  • There's a lot of reference of A-JAX in Parodius, like the enemies patterns or the game's theme songs.
  • Vic Viper, Jerry Mouse, Twinbee, and other Konami famous fighters appeared in Airforce Delta Strike.
  • Kokoro Belmont's BGM pack features the most famous theme of A-JAX, "Command 770".
Gradius Video Games
Gradius series GradiusGradius IIGradius IIIGradius GaidenGradius IVGradius GalaxiesGradius VGradius ReBirthGradius: The Interstellar AssaultGradius NEOGradius NEO ImperialGradius Arc
Spin-offs Salamander (Life Force) (MSX ver.)• Salamander 2Nemesis (MSX)Nemesis 2 (Nemesis '90 Kai) • Nemesis 3Nemesis (Game Boy)Cosmic WarsSolar Assault
Parody games ParodiusParodius Da!Gokujō Parodius!Jikkyō Oshaberi ParodiusSexy ParodiusParo WarsOtomedius (Otomedius Gorgeous) • Otomedius X: Excellent!
TwinBee TwinBeeStingerTwinBee 3: Poko Poko DaimaōTwinBee Da!!Detana!! TwinBeePop n' TwinbeeTwinBee: Rainbow Bell AdventureTwinBee Yahoo!TwinBee Taisen Puzzle DamaTwinBee RPGTwinBee DungeonPastel Jan
Other games ScrambleFlak AttackA-JAXFalsionThunder CrossThunder Cross IISpace ManbowQuarthTrigonCrisis ForceXexex

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