Exodus: Journey to the Promised Land
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| Exodus: Journey to the Promised Land/Joshua & The Battle of Jericho | |||||||||||||||
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| System(s): Sega Mega Drive | |||||||||||||||
| Publisher: Wisdom Tree | |||||||||||||||
| Developer: Wisdom Tree | |||||||||||||||
| Genre: Puzzle | |||||||||||||||
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Crystal Mines is a 1989 unlicensed puzzle game for the NES by Color Dreams. When they established Wisdom Tree, they repackaged the game twice: in 1991 as Exodus: Journey to the Promised Land and in 1992 as Joshua & The Battle of Jericho, with Joshua labeled a sequel to Exodus. These two versions would be remade for the Sega Mega Drive in 1993 and 1994, respectively.
Though the games do have a TMSS check, they will only do the $A14000 write if they detect the region of the console they are running on as US — therefore, the games will only boot on either any US Mega Drive or on any other Model 1 Mega Drive without TMSS (making that a partly useless form of region lockout).
Gameplay of both versions is identical: you are the main character (Moses or Joshua, respectively) and you must collect all the bags with M on them (Joshua: coins with $ on them) scattered throughout each maze. 
and 
shoot; you can hold them down for rapidfire. Shooting destroys blockades and enemies. Once all the M bags are gathered, find the exit to move on to the next level. In between each level, you must answer a bunch of questions related to the story of the Bible of the game's theme; getting them wrong appears to be inconsequential to the outcome of the game (this needs investigation).
Physical scans
| Mega Drive, US (Exodus) |
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   Cover
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 Cart |
| Mega Drive, US (Joshua) |
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  Cover
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 Cart |
Technical information
ROM dump status
| System | Hash | Size | Build Date | Source | Comments | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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512kB | 1993 | Cartridge (US) | Exodus | |||||||||
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256kB | 1993 | Cartridge (US) | Joshua |