Unlike the HD version (which bridged the gap between Sands of Time and Warrior Within ), the PSP’s Forgotten Sands is a .

However, Revelations became infamous for the wrong reasons. To fit the massive game onto a UMD (Universal Media Disc), Ubisoft had to make brutal compromises. The load times were agonizing—entering a door could take thirty seconds. More critically, the game suffered from audio desyncs and a framerate that frequently dipped into "slideshow" territory.

If Revelations was the stumble, Rival Swords was the recovery. This was a port of The Two Thrones (the beloved third entry that course-corrected the series back to its roots), but it came with two major upgrades.

Here is the story of how Ubisoft brought the wall-run to the small screen. Release: 2005

Here is where the story gets confusing—and interesting. When the 2010 movie hit theaters, Ubisoft released The Forgotten Sands on every platform imaginable (PS3, Xbox 360, Wii, DS). But the PSP version is a completely different beast.