PSP Hexen II ver. 1.0 is a port of Raven Software's Hexen II to the PSP. It is based on PSP Quake port by Peter Mackay and original Hexen II source code. Read more about PSP Hexen II v1.0 (PSP Game Port)
The concept: dodge the robots while making them run into each other. If they get too close you can teleport away. Use the d-pad to move and press X to teleport but use the teleport ability only when you must; you might land right next to a robot. Read more about Robots (PSP Lua Game)