MFGG 20th Anniversary Time Capsule is a compilation of unreleased builds of Mario fan games in commemoration of the 20th anniversary of Mario Fan Games Galaxy.

The following games are included:

2012 - Super Mario Kingdom - by Gatete
2013 - Mario + Wario Complete - by Vitiman
2013 - Super Mario Red Scare 2 - by Hypernova
2014 - Mario & Luigi's Coin Chaos - by Mors
2015 - Spoopy Maryo - by HylianDev
2016 - Mario's Timeship Battle - by Cruise Elroy
2016 - L IS REAL by Friendly Dictator
2016 - Super Mario Dimensions 2 (2016 Demo) - by LangtonLion64
2017 - Super Mario Flashback (Final Pre-Reboot Build) - by Mors & the Flashback Team
2018 - Mega Mario - by Hypernova
2020 - Satilla Composite - by VinnyVideo
2021 - Super Mario & the Elemental Orbs - by WreckingPrograms
2021 - Super Mario Bros. & The Midas Machine - by Team Midas