https://www.cocopedia.com/wiki/index.php?action=history&feed=atom&title=Mark_Data_ProductsMark Data Products - Revision history2026-04-30T18:50:27ZRevision history for this page on the wikiMediaWiki 1.45.1https://www.cocopedia.com/wiki/index.php?title=Mark_Data_Products&diff=11508&oldid=prevEllimist: Created page with "Mark Data Products was a company active in the early to mid 80s as a video game publisher. Created by couple Mona and Ron Krebs, they released several adventure games on multiple systems as well as several other types of games. Known Releases: # Champion (1986 on TRS-80 CoCo) # CyberTank (1986 on TRS-80 CoCo) # Shock Trooper (1985 on TRS-80 CoCo, Dragon 32/64) # The Vortex Factor (1985 on DOS, TRS-80 CoCo, Dragon 32/64) # Trekboer (1984 on DOS, TRS-80 CoCo, Dragon 32/6..."2025-03-11T14:49:08Z<p>Created page with "Mark Data Products was a company active in the early to mid 80s as a video game publisher. Created by couple Mona and Ron Krebs, they released several adventure games on multiple systems as well as several other types of games. Known Releases: # Champion (1986 on TRS-80 CoCo) # CyberTank (1986 on TRS-80 CoCo) # Shock Trooper (1985 on TRS-80 CoCo, Dragon 32/64) # The Vortex Factor (1985 on DOS, TRS-80 CoCo, Dragon 32/64) # Trekboer (1984 on DOS, TRS-80 CoCo, Dragon 32/6..."</p>
<p><b>New page</b></p><div>Mark Data Products was a company active in the early to mid 80s as a video game publisher. Created by couple Mona and Ron Krebs, they released several adventure games on multiple systems as well as several other types of games. <br />
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Known Releases:<br />
# Champion (1986 on TRS-80 CoCo)<br />
# CyberTank (1986 on TRS-80 CoCo)<br />
# Shock Trooper (1985 on TRS-80 CoCo, Dragon 32/64)<br />
# The Vortex Factor (1985 on DOS, TRS-80 CoCo, Dragon 32/64)<br />
# Trekboer (1984 on DOS, TRS-80 CoCo, Dragon 32/64)<br />
# Bumpers (1983 on TRS-80 CoCo, Dragon 32/64)<br />
# Calixto Island (1983 on DOS, TRS-80 CoCo, Dragon 32/64)<br />
# Cosmic Clones (1983 on Dragon 32/64, TRS-80 CoCo)<br />
# Glaxxons (1983 on Dragon 32/64, TRS-80 CoCo)<br />
# Sea Quest (1983 on DOS, TRS-80 CoCo, Dragon 32/64)<br />
# Shenanigans (1983 on DOS, Dragon 32/64, TRS-80 CoCo)<br />
# The Black Sanctum (1983 on DOS, TRS-80 CoCo)<br />
# Time Fighter (1983 on TRS-80 CoCo)<br />
# Tut's Tomb (1983 on Dragon 32/64, TRS-80 CoCo)<br />
# AstroBlast (1982 on TRS-80 CoCo, Dragon 32/64)<br />
# Picnic (1982 on Dragon 32/64, TRS-80 CoCo)<br />
# Space Raiders (1982 on Dragon 32/64, TRS-80 CoCo)<br />
# Calixto Island (1981 on Dragon 32/64, TRS-80 CoCo)<br />
# Cave Hunter (1981 on TRS-80 CoCo, Dragon 32/64)<br />
# Color Berserk (1981 on Dragon 32/64, TRS-80 CoCo)</div>Ellimist