When discussing the best games in the PlayStation universe, PSP games often receive less attention but are no less significant. The PlayStation Portable carved out a unique niche by providing gamers with a powerful handheld device capable of delivering deep, high-quality gaming experiences. This innovation expanded the boundaries of PlayStation games beyond the living room and into the hands of players on the move.

PSP games included a wide array of genres, from intense action and sprawling RPGs to inventive puzzle and rhythm titles. For example, Patapon combined rhythmic gameplay with strategy, ARI69 creating a fresh and memorable experience exclusive to the handheld. Meanwhile, Metal Gear Solid: Peace Walker brought a robust stealth-action experience that rivaled its console counterparts in scope and complexity.

Multiplayer features in PSP games also made a significant impact. Many titles supported ad-hoc and online multiplayer modes, allowing players to connect and compete or cooperate with others worldwide. This aspect fostered vibrant gaming communities and added longevity to the best games on the platform.

Through these contributions, PSP games enriched the broader PlayStation library. They proved that portable gaming could be ambitious and rewarding, further expanding the possibilities for PlayStation games and influencing future handheld and mobile gaming designs.