Pomber

Bomberman-like game for PSP; supports multiplayer.

Jazz Jackrabbit

PSP port of the game; the shareware version is included.

Portable Bubble

PSP version of the game.

FastFoodDeluxe

Homebrew game for PSP.

RenPSP

Lua-based version of Ren'Py for PSP.

PSP Jezzball

Homebrew game for PSP.

Jooleem PSP

Puzzle game for PSP.

Triple Triad

Card game for PSP.

Super Methane Brothers P

2D platform game for PSP.