Raven Software's 2010 FPS Singularity offers a unique experience combining time-manipulation mechanics, such as the Time Manipulation Device (TMD), with a Cold War-era sci-fi narrative. Players can use the TMD to age enemies or restore environments, while the gameplay frequently shifts between 1955 and 2010 to alter the game world. The title is best experienced on modern PCs via legitimate platforms like Steam or GOG to avoid compatibility issues.