This version of Flicky shares the classic gameplay found in other releases. The 128k version and System 2 designations refer to the arcade hardware specifications.  The lack of encryption distinguishes it from other versions that might have employed copy-protection methods. This arcade game was developed and published by Sega.

Flicky (128k Version, System 2, not encrypted)

Flicky (128k Version, System 2, 315-5051, alt graphics)