Mother games:

1989: EarthBound Beginnings (Mother)
1994: EarthBound (Mother 2)
1996: Kirby Super Star ¹
1999: Super Smash Bros. ²
2001: Super Smash Bros. Melee ³
2006: Mother 3
2008: Super Smash Bros. Brawl ⁴
2014: Super Smash Bros. for Nintendo 3DS ⁵
2015: Super Mario Maker ⁶

Connected Series:

• Kirby
• Super Mario
• Super Smash Bros.

Footnotes:

1. A Mr. Saturn makes a minor cameo as a collectable item.
2. Ness is an unlockable playable character.
3. Ness is a playable character and there are two stages based on the series.
4. Ness and Lucas are playable characters and there are two stages based on the series.
5. Ness and Lucas are playable characters and there is a stage based on the series.
6. Various characters from the series are playable via Mystery Mushroom.