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Freddi Fish 3: The Case Of The Stolen Conch Shell was released on March 31st, 1998 as the third game in the Freddi Fish series and was developed and published by Humongous Entertainment in 1998. In 2012, it was remade for iOS as Freddi Fish And The Stolen Shell, developed by Nimbus and published by Atari. The original game works on Windows 3.1 - 64 bit Windows 10 or System 7.0 - Mac OS 9.2.2. The remake supports iOS 3.0 - 5.1.1. Like most Humongous Entertainment games, this game uses the SCUMM engine and so is playable in SCUMMVM.
Freddi-Fish-3.iso (451.87 MiB / 473.82 MB)
Freddi Fish 3: The Case of the Stolen Conch Shell (ENGLISH) / ISO image
MaliceMCY.toast_.sit (153.27 MiB / 160.71 MB)
Marine Malice : Le Mystère du Coquillage Volé (FRENCH) / Toast image, compressed w/ Stuffit
freddi3.toast_.sit (82.03 MiB / 86.02 MB)
/ Toast image, compressed w/ Stuffit
At least 16MB of RAM
Mac OS 7.5.3 - Mac OS 9.2.2
Playing this game natively on a 64-bit system is possible, but some tweaking is required.
Emulating this? It should run fine under: SheepShaver