Shantae: Risky's Revenge Prototype Builds + "Shantae: Risky Pistols" Pitch : Free Download, Borrow, and Streaming : Internet Archive
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This archive contains several prototype builds of Shantae: Risky's Revenge in SRL and TAD format. These stretch from as early as March of 2009 to as late as...

The group is currently aiming to raise $500 to purchase 20 more prototypes from the same source - read more about that here, on their site.