cae383ca_AtariAge___Rarity_Key__Description
[Title] Prototype [Description] 
Prototypes are games that were not released commercially, and they range from demos to fully working versions. Prototypes are generally very rare, although in some cases there may be dozens floating around. Beware of fakes. This icon refers to original prototypes only, not reproductions of prototypes.
AtariAge - Rarity Key
Description