Taking place in the future of space colonization, the planet Haniamu IV is under attack from a relentless, unknown military force known only as Black Impulse. The strongest Earth ships capable of stopping the total conquering of the planet are the Blue Thunder M-45 (player 1) and the Red Thunder M-24 (player 2).
Thunder Cross is a classic horizontal shooter with 7 stages. Players control the Thunder fighter with up to four "options", which arrange up and down vertically and add to the player's attack power. Three weapons are selectable ranging from the Vulcan shot to the Laser and the Boomerang shot (which doubles as a ricochet weapon). Typical of a Konami shooter, Thunder Cross forces the player to beat the game twice in a harder loop of the first seven levels.
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Game ID : GX073
Main CPU : Motorola 68000 (@ 12 Mhz)
Sound CPU : Zilog Z80 (@ 3.579545 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.579545 Mhz), K053260 (@ 3.579545 Mhz)
Screen orientation : Horizontal
Video resolution : 288 x 224 pixels
Screen refresh : 60.00 Hz
Palette colors : 2048
Players : 2
Control : 8-way joystick
Buttons : 2
Thunder Cross II was released in August 1991 in Japan.
King Records released a limited-edition soundtrack album for this game (Konami Game Music Collection Vol.4 - KICA-7505) on 05/10/1991.