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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
2026-10-13 16:47:19 +02:00

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title, tags, years, params
title tags years params
Galaxy Invasion
shoot them up
space
1980
image specs screenshots machines company oc_id source
/media/museum/software/tandy_trs80_galaxyinvasion_box_m.jpg
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year of release 1980
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companies Big Five Software
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type game
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media tape & disk
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systems Tandy TRS-80
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number of players 1 - 2 players (alternate)
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staff Bill Hogue, Jeff Konyu
title subtitle text image
title screen /media/museum/software/tandy_trs80_galaxy-invasion_ss01.png
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menu / options /media/museum/software/tandy_trs80_galaxy-invasion_ss02.png
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/media/museum/software/tandy_trs80_galaxy-invasion_ss03.png
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flagship attack alert! /media/museum/software/tandy_trs80_galaxy-invasion_ss04.png
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/media/museum/software/tandy_trs80_galaxy-invasion_ss05.png
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/media/museum/software/tandy_trs80_galaxy-invasion_ss09.png
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only one alien left /media/museum/software/tandy_trs80_galaxy-invasion_ss08.png
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game over /media/museum/software/tandy_trs80_galaxy-invasion_ss06.png
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you made it into the top 10! /media/museum/software/tandy_trs80_galaxy-invasion_ss07.png
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box /media/museum/software/tandy_trs80_galaxyinvasion_box.jpg
/museum/tandy-radio-shack-trs-80-model-i
/companies/tandy-radio-shack 709
url date
https://web.archive.org/web/20230606200126/http://www.old-computers.com/museum/software_detail.asp?id=709 2023-06-06

Galaxy Invasion was the second game released by Big Five Software. It was directly inspired by arcade hit Galaxian released one year earlier.

This version includes a special feature not found in the original game: the flagship attack! Sometimes, there is a flagship attack alert. You then have a few seconds to destroy the flagships or they will strike you with their powerful beam (no escape possible)!

Bill Hogue, the programmer, said about Galaxy Invasion:

I'm still really proud of the game play on Galaxy. I was living at my parent's house when I wrote this one and I remember lying in my bed in the darkened room at night watching the glow of the little aliens flying around the screen. Galaxy didn't originally have sound effects but they were added later in a special edition that featured some additional graphic tricks as well. To get sound on a TRS-80 you used a small amplified speaker plugged into the cassette output port. All of the later games I wrote had sound built-in. Super Nova was the only game that never had sound.