Not Known
Tactical Combat
ZX Spectrum 48K
Unspecified custom loader

Jon Pillar
Chris Bourne

Mercenary is just about as perfect as any Spec release can hope to be. It's a 3D vector trade/explore/shoot-'em-up that plays over a whole world. With thinky bits, shooty bits and hundreds of other bits, it's less a game, more a staying-up-all-night-even-though-it's-Tuesday experience.