Title: Astro Chase
Manufacturer: Exidy (developed by First Star Software)
Year: 1982
Hardware:
Max-a-Flex System
Main Processors: M6502 (8-bit, 1.78979 MHz); M68705 (MCU, 3.579545 MHz)
Sound Hardware: Pokey (1.78979 MHz); DAC
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Description
This is a dual axis
scrolling space shoot 'em up where the player has to protect
Earth from Mega Mines. The mines slowly move
toward Earth and must be destroyed before they touch it. There
are also enemy alien ships that go after the player's ship and
try to distract the player from going after the mines. The player
can fire in all 8 directions and can not go through small
planetary
objects and certain parts of space. There are certain purple
items that change the color of the player's ship and make it
start to
flash. The player has an energy meter that runs down
automatically, but runs down faster if the player bumps into a
planetary
object or an invisible portion of space that can't be crossed.
Each stage seems to have 16 mines in total that have to be
destroyed. The game is over if any mine touches Earth and makes
it explode.
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Emulation Status
Emulator: MAME
Playable: Yes
Sound: Yes
Note: I'm not sure if the timer is working 100% in the Max-a-Flex System, since it never seems to reach 0.
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Screenshots
Screenshots from the MAME emulator



