Terra Force (c) 1987 Nichibutsu.
A standard shooter. All levels are divided in 2 parts : overworld with vertical direction and underground with horizontal.

>>> TECHNICAL DETAILS
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Main CPU : 68000 (@ 8 Mhz)
Sound CPU : Z80 (@ 3.072 Mhz)
Sound Chips : YM3812 (@ 4 Mhz), (2x) DAC (@ 4 Mhz)
Screen orientation : Horizontal
Video resolution : 320 x 240 pixels
Screen refresh : 57.00 Hz
Palette colors : 2048
Players : 1
Control : 8-way joystick
Buttons : 2 => [A] Shoot, [B] Bomb

>>> TRIVIA
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Released in December 1987.
Terra Force uses the same innovative overworld/underground and perspective changing gameplay found in Nichibutsu's earlier game 'Mag Max'.
Pony Canyon / Scitron released a limited-edition soundtrack album for this game (G.S.M. Nichibutsu 1 - D28B0004) on 21/09/1988.

>>> TRICKS AND TIPS
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* Terra Force power-ups
B : bomb power-up
L : laser firepower
S : speed-up
P : force field

>>> GAME SERIES
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1. Moon Cresta [Upright model] (1980)
1. Moon Cresta [Cocktail Table model] (1980)
2. Terra Cresta (1985)
3. Dangar - Ufo Robo (1986)
4. Terra Force (1987)
5. Terra Cresta II (1992, NEC PC Engine)

>>> DESIGNERS / PROGRAMMERS / STAFF
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Game designer : Shigeki Fujiwara
Game programmers : Kakefu, Shinya Okuda
Character designers : Takanori Tanaka, Yuki Yasuda
Title designer : Shinji Kubota
Sound composer : Noburu Yoshida
Sound programmer : Yoshinori Mitta
Hardware engineer : Isao Shiki

>>> OTHER GAME RESOURCES
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Game's rom.
Machine's picture.