The "v0.9.1" version refers to a specific beta stage of development before the game's full release.

Files ending in .rar found on third-party sites are often unauthorized copies.

: The v0.9 update was a major milestone that introduced Online Party Mode and expanded support to macOS and Linux .

If you choose the official version, you gain access to the most stable and feature-complete experience: Super Bunny Man on Steam

: Subsequent patches in this series (like v0.9.0.b2) focused on fixing major bugs from earlier beta versions and improving overall game stability.