Dark Basis

Navigate the square in the tunnel without touching the edges.

Deaf Force Showdown

Homebrew 2D fighting game for PSP.

Quartal

3D game based on Portal, and built with the Quake engine.

Naruto Ultimate Ninja Ba

Fighting game for PSP.

OpenBricks

Tetris for PSP.

Wubly PSP

PSP port of the game.

Robot Warrior DC

Homebrew game for PSP.

Rockbot I

2D platformer homebrew for PSP.

My mind clears up after

Visual novel for PSP.