Defend your planet Authors Publication Timex Sinclair User Pub Details Volume: 1 Issue: 2 Date July 1983 Pages 9 Read the article See all articles from Timex Sinclair User n2 Review of Galactic Invasion, from International Computers Ltd. Products Downloadable Media Related Articles Tags Timex Sinclair User, 1983, Software review, TS 1000 People No people associated with this content.