Swimmer completely redefines the "guy endlessly swimming upstream past giant logs and killer crabs" genre.
Two blocks of text are hidden in the audio CPU. The first block is a list of developer credits, while the second block is a simple copyright notice.
Moniter by M.Ishizuka Sound by M.Ishizuka R.Kawamoto Hard were by Y.Kotoyori M.Yoneda Debug by M.Tsuji Music by R.Nishizawa
SWIMMER Copy right 1982 TEHKAN International Corpration