Sea Wolf (Optima/Commodore/Stephen Hartley Computing) Available for Acorn Electron, BBC Model B, Commodore 64 & Sinclair ZX81 (Requires 16K Expansion) A submarine-based 'search and destroy' game. The instrumentation is updated slowly and the action is somewhat lacking.
Sea Wolf (Let's Compute! (Database Publications)) Available for BBC B/B+/Master 128