Sylvester and Tweety is a platform game featuring the Looney Tunes characters Sylvester and Tweety. Released as a prototype in the USA for the SNES, the game's development history remains obscure. Gameplay would have likely involved navigating levels, collecting items, and avoiding enemies, typical of platformers.  Further research is needed to identify the developer and publisher behind this unreleased version.

Sylvester and Tweety (USA) (Proto)

Sword Maniac (Japan)