The player controls Mega Man Volnutt, a teenage digger and archaeologist of sorts who searches underground ruins mainly for Quantum Refractors, which are the civilization's primary source of energy.

The first game in the series, Mega Man Legends (titled Rockman DASH: Hagane no Bōkenshin in Japan), was released for PlayStation in December 1997.

It features four missions titled "Roll's Secret Training", "Capture Pigs", "Underground Dungeon" and "Jagd Krabbe's Assault", all of which take place before the events of Legends 2.

Mega Man Legends 2 (titled Rockman DASH 2 - Episode 2: Ōinaru Isan in Japan) was released in April 2000 for the PlayStation and is the final mainline game produced by Capcom in the series.

The game ends in an infamous unresolved cliffhanger that results in Mega Man Volnutt being stranded on a remote satellite called "Elysium".

[10] Although Inafune left Capcom in November 2010, the team working for Mega Man Legends 3 stated that the game would continue development.

[12] Capcom intended to release Mega Man Legends 3: Prototype Version in 2011 for the 3DS eShop, featuring 10 missions, and a new playable character, Barrett.

100,000 Strong for Bringing Back Mega Man Legends 3, also known as Get Me Off the Moon, includes sending as many physical letters and e-mails as well as giving as many phone calls to Capcom's headquarters as possible, in addition to posting messages on the branch's Facebook and Twitter accounts, requesting for a release of the game.

[16] 100,000 Strong for Bringing Back Mega Man Legends 3 has been covered by Digital Trends,[17] Destructoid,[18] GamePro,[19] Eurogamer,[20] and the Portuguese gaming website Eurogamer,[21] In addition, Mega Man Legends 3 Project's programming director Yoshiyuki Fujikawa has responded favorably to the campaign and "encourages fans to fight for the game to be released.