2D Ver. Mega Man Legends 3: The Prologue! (2D版ロックマンDASH3 THE プロローグ!?), also known as 8-Bit Mega Man Legends 3 Prototype Ver., is a fan game released in 2014. It is a recreation of the cancelled Mega Man Legends 3 prologue in 8-bit, having graphics and gameplay similar to the NES Mega Man games.
The game's creators released a soundtrack that includes all of the game's 35 tracks and a copy of the game. The soundtrack also includes additional music composed by Makoto Tomozawa, and its booklet contains an illustration by Hideki Ishikawa.