SMB Special - 35th Anniversary Edition is a fan-made ROM hack of Super Mario Bros. for the NES. This version modifies and enhances the original gameplay, often including updated graphics and level design. It is not an official Nintendo product. The game is created and distributed by the homebrew community of video game developers, and is played on emulators or modified NES consoles.  The specific details of the game's modifications vary based on the version being played.

SMB Special - 35th Anniversary Edition

Smash Ping Pong (Japan)