Outland is a platform game developed by Housemarque and published by Ubisoft.[6] The game combines two-dimensional platforming with a polarity system similar to Treasure's Ikaruga[7] and Silhouette Mirage. Outland was released on April 27, 2011 for Xbox 360.[8] The PlayStation 3 version, which was supposed to be released the day before, was delayed because of the 2011 PlayStation Network outage then later released in June 2011. A Microsoft Windows version was released on September 29, 2014, followed by the Mac OS X version on December 21 of the same year, and the Linux version on February 25, 2015. The game was removed from sale on Steam and the Humble Store in December 2018;[9] it was made available on Steam again in October 2020,[10] before being removed again in April 2024.
^Mark Brown (May 15, 2015). "The 14 best Metroidvania games on Steam". Pocket Gamer. Steel Media Ltd. Retrieved December 2, 2018. You'll be swapping between red and blue to make platforms appear, obstacles disappear, and to fight enemies and solve puzzles. All within that classic Metroidvania structure.