Swamp Fever & Lost In The Swamp (1982)(Linda Kuever) ROM Download for Sinclair ZX81 (). Swamp Fever & Lost In The Swamp (1982)(Linda Kuever) game is available to play online and download only on Late Games. Swamp Fever & Lost In The Swamp (1982)(Linda Kuever) ROM for Sinclair ZX81 download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.