Most formats for a space trading videogame

Elite was released on a record 21 formats. They were the BBC Micro (tape), BBC Micro (disc), Acorn Electron, Commodore 64 (cassette), Commodore 64 (disc), Spectrum, Amstrad CPC (tape), Amstrad CPC (disc), MSX, Tatung Einstein, Apple II, PC, Atari ST, Amiga, Sinclair 128, BBC Master128, BBC Master Compact, BBC Tube, NES, NEC 9800 series (Japan only) and Acorn Archimedes