The American version of Brain Age 2 was first revealed in May 2007.

A newer version of the game, more closely related to the final version, was later revealed at Nintendo Space World 2001.

On 23 August 2010, details of a new update (version 2.01) were revealed.

This version was subsequently revealed to be an alternate universe version.

"Revelations": An alternate version of the Kromaggs is revealed to be of limited intelligence and were generally docile.

On October 4, 2007, a previously unreleased version of "Stronger" was revealed.

A facelifted version of the car was revealed by Mahindra on 26 July 2012.

A new version, with airframe enlarged by approximately 25 per cent, was revealed at 1996 Farnborough Air Show.

In 2010, a more formal version of the plans were revealed.

This version of Sabretooth is revealed to be the brother of Wolverine.