opera television series Another World. Coincidentally, the science fiction sitcom Out of This World aired at the same time as the game's USA-Canada release. Ports Many reviewers criticized the short length of the game. Chahi, working for 16 hours a day for two months, responded by creating a new level just before the amphitheatre scene, when the alien friend rescues Lester at the end of a long dead-end corridor. Chahi said: "I like this extra level a lot because it reinforces the close relationship between the hero and the alien by developing their mutual aid." Also added were more dangers and more save points. This ended up being the 1992 DOS version, which was coded by Daniel Morais, and had the exact code wheel protection of the Amiga and ST versions. The Macintosh features higher resolution than the DOS version, but is otherwise identical. Through Interplay Entertainment, the game was ported to the Super Nintendo Entertainment System (SNES), the Sega Genesis (Mega Drive), and the Apple IIGS in 1992. The SNES, 3DO Interactive Multiplayer (3DO) and Apple IIGS ports each contain a prologue before the introduction begins, which consists of an entry that comes from Lester's diary. The Mega Drive port's prologue is different from that of the SNES and 3DO ports. The Sega CD version of Another World combines the original game (with CD-quality new music by Freitas) with the sequel, Heart of the Alien, and was released exclusively in North America as Heart of the Alien: Out of This World Parts I and II. All of the console versions include some form of dynamic musical score during gameplay, and in the case of the Mega Drive conversion, use arrangements of the music originating in the SNES and Apple IIGS versions. This differs from other versions which only have music for the opening and ending segments. Interplay wanted to add additional tunes by Charles Deenen. They also wanted to exchange Jean-François Freitas's music for a different soundtrack, but Chahi did not agree to the change and Delphine's lawyer helped to keep the original intro music. The Apple IIGS and Super NES versions were programmed by Rebecca Heineman, who said: "Since Interplay wouldn't pay for a Super FX chip, I found a way to do it with static RAM on the cart and DMA which got me a great frame rate. Interplay wouldn't pay for the static RAM either, so