This version of Treasure Hunter G for the SNES, released in Japan, is a modified version, likely featuring updated graphics, sound, and possibly gameplay elements. The notation '[En by Metalhawk+Obsolete v1.0PostBeta2]' suggests a fan translation or modification, providing an English language patch developed by Metalhawk+Obsolete. This indicates a community-driven improvement over the original Japanese release. Further research would help identify if there were any differences in publishers from the original Japanese version. 

Treasure Hunter G (Japan) [En by Metalhawk+Obsolete v1.0PostBeta2]

Toys (USA)