Zeit²
Zeit² (also known as Zeit Squared) is a scrolling shooter shoot 'em up made by German developer Brightside Games, which was released for Microsoft Windows and Xbox Live Arcade on January 12, 2011. The word "Zeit" is German for time. Gameplay. "Zeit²" is a traditional side-scrolling, 2D, shoot 'em up game with a unique gameplay mechanic that allows players to move forward and backward in time, making it possible for the player to combine shots and power, and even be assisted by a shadow version of the player. The game features seventy challenges and eight bosses, as well  as six game modes, including Score Attack, Survival, Wave, Time Limit and Tactics. History. "Zeit²" was within the Top 20 of Microsoft Dream Build Play 2008, an Independent Games Festival 2009 Student Showcase Finalist and Indie Game Challenge 2010 Finalist. Reception. "Zeit²" received "average" reviews on both platforms according to the review aggregation website Metacritic.