The standard Block Blast uses a lives system or energy mechanic (depending on the version). An "Exclusive 76" mod typically cracks the local save file to provide:
This is a gray area. The original Block Blast is intellectual property owned by a commercial entity (typically game studios like Hipster Whale or similar, depending on the clone). However, the "GitHub 76 Exclusive" is often a clean-room reverse engineering or an original open-source clone that uses similar mechanics but unique code. block blast github 76 exclusive
Safety Tips:
Depending on which fork you download, the "76" modifies gameplay significantly: The standard Block Blast uses a lives system