Aero-Cross^{[lower-alpha 1]} is an unreleased platform video game that was in development for the PlayStation 3 and Xbox 360 by Namco Bandai Games. It was intended as a modernized sequel to the arcade game Metro-Cross, and the third released under the Namco Generations series of video game remakes. Players control a runner through each level in an effort to get to the end stage goal before the timer runs out. Levels feature hazards that must be overcome, and there are also power-ups that grant player with different abilities, such as a speed boost or being able to glide over the level.

Aero-Cross was produced by Hideo Yoshizawa, the creator of Klonoa and Mr. Driller. Yoshizawa liked the original Metro-Cross for having the player try to find the fastest possible route to the goal at the end of each level, and wanted to expand on this concept in Aero-Cross. He also focused on stage hazards, player acceleration, and co-operative play. The game was announced in October 2010 and cancelled in December 2012 following a lack of updates on its production. Compared to the other cancelled Namco Generations game, a reboot of the infamous puzzle game Dancing Eyes, critics felt that Aero-Cross had potential. They praised its gameplay and evolution on the original Metro-Cross gameplay, and showed disappointment in its cancellation.

Aero-Cross is presented as an arcade-style platform game, with emphasis on speed and acceleration.^[1][2] Players control a runner through each course, with the goal being to reach the end before the timer runs out. The end of each level is indicated by a large circular goalpost, with a map being provided at the bottom that shows how far they have reached.^[1] Levels feature different themes, such as futuristic cities, deserts, and factories.^[1] In these levels, players will need to overcome different stage hazards that will cause their runner to be temporarily stunned and their timer to deplete further. Hazards include giant steel cylinders, tiles that slow down the player if touched, walls that emerge from the ground, and computer-controlled opponents.^[1] There are item capsules placed through stages as well, each containing power-ups that grant different abilities. Three items were revealed: a speed boost, a clock that stops time, and a hoverboard that allows players to glide over the level.^[1] Running behind opponents creates an effect called a "slipstream", allowing players to run faster than usual.^[2] Players can also perform an "air dash" that grants them a temporary boost in speed. Air dashing can also be used to knock opponents off of the map and destroy incoming obstacles.^[1]