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Life Force (Arcade)
A spinoff of Konami's hit 1985 shooter Gradius, Life Force introduced such features as simultaneous 2 player play and stages that alternated between horizontal and vertical layouts.
The retooled Japanese Life Force release contains an unused large graphic of the two player ships, Vic Viper and Lord British. It was likely intended for the title screen, as it is located near the logo graphic in the ROM data.
The initial release contains a whopping 19 tracks of unused music in varying stages of completion, some of which would eventually be used in later ports and variants of the game. These can not be accessed through the normal sound test, some hacking is necessary. The sound codes listed are internal, and do not correspond to the ones displayed in the sound test.
|48||This was later given a rhythm track and used for Level 2 in the Japanese Life Force release.|
It's also used for Level 5 in the NES version.
|4B||This was later used for Level 5 in the Japanese Life Force release.|
|4E||This was later used for the loading sequence of the X68000 port.|
|5E||This was later given a rhythm track and used for Level 4 in the Japanese Life Force release.|
Japanese Life Force
In addition to retaining some of the unused tracks from the initial version, the retooled Japanese Life Force release contains a few unique unused tracks of its own.
|05||A more fleshed-out version of unused Track 44 from the initial release.|
|The Gradius series|
|Arcade||Nemesis • Vulcan Venture • Gradius III|
|NES||Gradius • Gradius II|
|Game Boy||Gradius: The Interstellar Assault|
|Sharp X68000||Gradius II: Gofer no Yabou|
|Sega Saturn||Gradius Deluxe Pack|
|PlayStation||Gradius Deluxe Pack|