One of my favorite homebrews has been updated. I was wating for this all night and sounds alot better then the pervious build.This is what Psmonkey had to say.

Please note this is still a serious work in progress.

- Note, Sorry for the rather large file size (its because I included some quake2 deathmatch maps that were converted to quake3).

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// Iris (ver 0.2 Alpha)
////////////////////////////////////////////////////////
// By PSmonkey, MGFox & Produkt ( nemo.dcemu.co.uk )

// Icon by pochi
http://pochistyle.pspwire.net/

// Copyright Notes
////////////////////////////////////////////////////////
The Maps were created & edited by MGFox & Produkt ( nemo.dcemu.co.uk )
Invader was created by Reed Hawker ( http://www.alternatedimension.com/invader.html )
Q2Female & Q2Male were created by ID Software. The models are a direct copy from Quake 2 demo (With texture converted to .tga format) ( http://www.idsoftware.com )
Q2DM Maps were created by ID Software. The maps were pulled from planetQuake.com.

// Alpha Note
////////////////////////////////////////////////////////
Please note that this is still a work in progress. I am releasing 0.2 early so map moders can get a general
feel of the latest engine. There are many improvements to 0.2 that moders will need to take into consideration
when making their maps.

// Info
////////////////////////////////////////////////////////
This is and alpha build of Iris 0.2 which hopefuly will become a big fan favorite in the psp scene.
Iris is a Simple yet fun death match game for the psp. Users can load up one of the included maps &
player models to play with or go online and download more maps & Quake 2 models to use in game. The
over all goal of this project is to have something simple, quick & fun yet not be restricted to maps
or characters they dont like. Eventualy the project will progress far enough to allow many things to
be modified or different game types made by the scene.

On behalf of Iris team, Happy Hunting!!

P.S. Sorry it's a little rough around the edges still. 0.2 is still heavly a work in progress!!

// Suported Features
////////////////////////////////////////////////////////
.) Simple yet fun deathmatch gameplay.
.) Suports Quake 3 Maps modified for Iris (Document to come soon).
.) Suports Quake 2 MD2 Character Model Files (Document to come soon).
.) Basic & Advance Controlls.
.) Play against 0-4 bots (with simple AI).

// To Do
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.) WiFi - Infrastructure & Adhoc.
.) Proper polygon clipping.
.) Improved collision system (to allow slopes, steps & ladders).
.) Implement MD3 & MD4 suport.
.) Improve gameplay.

// To Use
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1) Copy the "Iris" Folder to the root of the memory stick.
..) Example "G:\" (replace G: with your psp drive letter)
2) Copy the "GAME" folder in the "PSP X.X" to your "memstick:/PSP/" folder
..) X.X = your psp version (1.5 or 1.0).
..) Note, This game should work on 2.0 psp units. use the 1.0 verison.
3) Run Iris & Enjoy

// Simple Controlls
////////////////////////////////////////////////////////
D-Pad Left & Right - Rotate Camera
D-Pad Up & Down - Move Forward & Backward
Cross / X - Fire
Triangle - Jump
Left Trigger - Flip Animation
Right Trigger - Taunt Animation
Analog Left & Right - See D-Pad Left & Right
Analog Up & Down - See D-Pad Up & Down

// Advance Controlls
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D-Pad Left & Right - Strafe
D-Pad Up & Down - Move Forward & Backward
Square & Circle - Rotate Camera
Cross/X & Triange - Tilt Camera
Left Trigger - Jump
Right Trigger - Taunt Animation
Analog Left & Right - See D-Pad Left & Right
Analog Up & Down - See D-Pad Up & Down


// Greetings
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Clessy, wraggster, Pochi, Snipr, Zeenbor, all at dcemu, & everybody who suports homebrew programmers.

// Special Thanks
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ID Software, People who wrote the docs on parsing the Q3 Bsp file & the guy who made the chq2 dm mappak!

From Psmonkey's Official Dev Forum

Opps.Forgot download link. HERE