The Colonies
A science-fiction RPG published as a downloadable PDF. It is set on Mars in the year 2099. There are five distant colonies established on other systems from seeding ships launched in 2030 when disaster loomed. The PC's are colonists seeking to reclaim the Earth from aliens who invaded it. It uses a simple rules set of roll under stat on 2d6. The rules include systems for biotech¸ nanotech¸ and psionics. - A description from https://darkshire.net/jhkim/rpg/encyclopedia/ with kind permission of John H. Kim