List of demos
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This page aims to list all known non-release builds of Super Mario Galaxy and Super Mario Galaxy 2 that were exhibited outside Nintendo. Most of these were demo builds with one exception. Unfortunately, none of these builds have been publicly dumped.
Super Mario Galaxy
| Demo | Date | Description |
|---|---|---|
| E3 2006 demo | May 9, 2006 | The first public reveal of the game, held at the Electronic Entertainment Expo (E3) in Los Angeles, California. This demo consisted of a single stage (GalaxyStage) containing three stars that could be obtained. Upon getting the star, the game would reset to the title screen. |
| JP and EU localizations of the E3 2006 demo? | 2006 | |
| Wii Preview demos | September 2006 | Four builds of the game, two with NOA localization and two with NOE localization, whose names and CRC hashes are listed in a Nintendo email leak from July 2021. There is no known footage of these demos. |
| E3 2007 demo | 2007 | Unlike the previous year's demo, the E3 2007 demo contained four or six stages that the player could choose. Like the 2006 demo, the game would reset to the title screen after getting a star. |
| JP and EU localizations of the E3 2007 demo? | 2007 | |
| Prima Review Copy | 2007 | A non-demo, fully playable build sent to Prima Games several months before release to reference while writing the PRIMA Official Game Guide. |
Super Mario Galaxy 2
| Demo | Date | Description |
|---|---|---|
| Media Summit demo | February 2010 | |
| World Hobby Fair demo | July 2010 | A unique demo build of Super Mario Galaxy 2 shown at the "World Hobby Fair" in Tokyo, Japan, between the v1 and v2 releases of Super Mario Galaxy 2. Remnants of this demo can be found in Super Mario Galaxy 2 v2. |