Interplay Entertainment

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Interplay Entertainment
Founded 1983
Headquarters Irvine, California, US
Other Names Interplay Productions, Interplay

Interplay Entertainment (formerly Interplay) is a game developer and publisher formed in 1983, and it was based in the United States. Initially focused on computer games, the company changed its hands starting in 1990 when Interplay developed console games, and in 1991 became a full-time publisher of both console and computer games.


Music Development


The company used David Warhol's sound engine from Realtime Associates. However, for the games Star Trek 25th Anniversary Edition (NES) and Trog! (NES), Interplay used their own custom driver programmed by Rebecca Heineman. Her driver was MIDI-based like Warhol's, and allowed users to create their own instrument patches.


Interplay had their own sound driver, Advanced Real-time Dynamic Interpreter (A.R.D.I. for short). It appears that the composers wrote their music in MIDI and the composition would be converted to the sound driver.

The first version of A.R.D.I. was programmed by Rebecca Heineman and used for Radical Psycho Machine Racing, which has been ripped to the SPC file format. The second version was co-programmed Jim Sproul and John Phillip Britt. Because of the way they programmed the second version, SPC files for these games are unrippable and can only be ripped in the SNSF format. However, KungFuFurby has reprogrammed the sound engine to make SPC rips possible.

ClayFighter uses Visual Concepts' SMSG sound engine by Jason Andersen and John Schappert, and the SNES port of Boogerman was composed by Roy Wilkins of Sculptured Software.


Interplay programmed two versions. One version is programmed by Rebecca Heineman, was used in Track Meet (GB). The second version, which was probably programmed by Scott La Rocca, was used in Star Trek: 25th Anniversary (GB).


Most games used either GEMS or use Shaun Hollingworth's driver.


Brian Schmidt wrote MIDI files which were converted into his sound driver.

Audio Personnel