Zero Hour (c) 12/1980 Universal.
Maneuver your spaceship and destroy meteorites and enemy ships falling from the top of the screen. Shooting a red meteorite awards a quadruple score. After all enemy ships have been destroyed, a landing pad will appear where you must carefully land your ship. Bonus points are awarded for a successful landing.

>>> TECHNICAL DETAILS
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Game ID : 8011
Main CPU : Z80 (@ 4 Mhz)
Screen orientation : Vertical
Video resolution : 192 x 240 pixels
Screen refresh : 60.00 Hz
Palette colors : 64
Players : 2
Control : 8-way joystick
Buttons : 1
- SCORING -
Meteorite (large) : 5 points.
Meteorite (middle) : 10 points.
Meteorite (small) : 15 points.
Enemy spaceship : 20 points.
Enemy missile : 3 points.

>>> GAME SERIES
---------------
1. Cosmic Monsters [Upright model] (1979)
2. Cosmic Monsters 2 (1979)
3. Cosmic Guerilla (1979)
4. Cosmic Alien (1980)
5. Devil Zone (1980)
6. Zero Hour (1980)
7. Cosmic Avenger (1981)

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