Mars Rising is a nice vertical shoot 'em up for Macintosh. It features color graphics, background music, nice sound effects and an overall very smooth gameplay.
Ambrosia’s latest is a boffo space shooter. Basically, you shoot things in front of you with guns and below you with bombs. While that ain’t exactly a new concept, it makes for an immediately immersive experience: the fewer the controls, the easier it is to jump right in. And you will want to jump right in — although reminiscent of early 80s arcade shooters like Sega’s Zaxxon, the artwork blows away anything made 15 years ago.
Like all Ambrosia arcade games, Mars Rising has an absurdly complex plot. Not content to just say “Shoot that! It’s fun!,” the company insists on weaving a story with more plot than your average Trek episode. Mars Colony has declared independence from Earth, and contrary to every other space epic, you are on the side trying to get it back. Kill the Martians before they take over Deimos! The registered version of Mars Rising has 28 levels and lets two people play.
Tafel, Kathy. (April 1998). Powerplay. MacAddict. (pg. 69).
(5.13 MiB / 5.38 MB)
/ Binary encoded, use Stuffit Expander

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2017-11-19 /

cd8640435b145ba7e2541e2db9defafd52b1d340 /

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(5.11 MiB / 5.36 MB)
Mars Rising v1.0.2 installer / compressed w/ Stuffit

440 /

2016-11-27 /

ae6062ed855e437462f967337a21f8d6d2269764 /

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(4.69 MiB / 4.91 MB)
/ compressed w/ Stuffit

6 /

2024-11-17 /

7c86e9f9daa099af7cf62ab8e76e3249b73fc449 /

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(392.45 KiB / 401.87 KB)
/ compressed w/ Stuffit

1 /

2024-11-17 /

192c83255da78a285585733d5b50224b7ded0e2c /

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Architecture 

IBM PowerPC
System Requirements 
From Mac OS 7.5
up to Mac OS 9.2
Compatibility notes 
Architecture: PPC (80mhz or faster)
At least 8MB of RAM (recommended 9.4MB)
Mac OS 7.5.5 - Mac OS 9.2.2
A monitor supporting 256 colors mode (8-bits)
Sound Manager 3.1 or later
Note: For a smooth gameplay experience, make sure you turn off virtual memory before playing.
Emulating this? It could probably run under:
SheepShaver