The PlayStation Portable was Sony's second handheld. It was released in Japan in 2004 and worldwide in 2005. It was succeeded by PlayStation Vita.

2013
Stealth Action Game. Solid Snake goes through various virtual reality training simulations.

2012
75 years after the first game, a reincarnated Edward Carnby investigates the death of his partner off the coast of Shadow Island.
Point-and-click Adventure. PSOne Classic. A stranger arrives on an island via a book and discovers what happened to the inhabitants.

2008
Stealth Action Game. Solid Snake infiltrates Shadow Moses Island to destroy Metal Gear Rex.

2006
Point-and-click Adventure. Handheld remake of the 1993 adventure with the additions from the 2000 Real Myst.

2005
Stealth Turn-Based Card Collecting Tactical Role-Playing Game. Solid Snake infiltrates the SaintLogic facility. 
Life Simulation Game. The first game in the line of The Sims games by Maxis.

2004
Stealth Turn-Based Card Collecting Tactical Role-Playing Game. Solid Snake stops the Pythagoras program from being utilized by terrorists.