There are two ways to install games on your Sony PSP (Play Station Portable).
The legit way is to buy original UMDs and insert them in your PSP and game on.
For the not-so-affluent, you can install Custom Firmware (CFW) on your PSP and then download games off the internet and copy them to your PSP and play them.
Play ISO / CSO Games on your PSP
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1. Install Custom Firmware:
- There are scores of tutorials on the net on how to do this. The easier way out would be to go to any console shop, and get your PSP modded with CFW for around Rs. 200 / $5.
- A detailed tutorial on this coming up soon.
2. Download the Game ISO / CSO.
- Next, search for the game you want, and download the ISO / CSO of the game from torrent sites or any warez forums. Most of the times, the ISO / CSO is compressed into a RAR file so you will need to extract it first using WINRAR.
3. Copy the ISO / CSO to your PSP
- Connect the PSP to your computer using the data cable and goto Settings > USB Connection.
- Open your PSP drive in My Computer, and goto the ISO folder. If it isn’t there already, create a new folder and rename it to ISO.
- Copy your ISO or CSO files to the ISO folder and disconnect your PSP from the computer.
4. Play the Game on your PSP
- Goto the GAME icon > Memory Stick and select the Game you just copied. Press ‘X‘ and game on. 
Note:
1. You need to have CFW (Custom Firmware) installed in order to use ISO / CSO games on your PSP. The latest version of CFW is 5.00 M33-4.
2. The latest PSP 2004 with TA 088 v3 chips and the PSP 3000 aren’t moddable yet.
March 14th, 2009 at 1:23 am
Hi. At last of your blog – r u saying that custom firmware CFW(degrading to old version) is not possible for PSP 3000?
At top of the blog you discussed this technique for psp with UMD that is for psp3000.
jagmeetsinghsaluja@gmail.com
March 29th, 2009 at 10:35 pm
You can’t flash any PSP 3000 or the newer 2000s with CFW yet. The first way is the official one.
April 6th, 2009 at 2:19 pm
Hi,
M planning to buy PSP. Can u tell me which are officially launched and available games in India? And whats approx cost per game?
April 6th, 2009 at 5:31 pm
You can get the whole list of PSP UMDs on the Sony India site. The approx cost per game is around 900 bucks.
April 13th, 2009 at 10:58 pm
Every PSP ISO ever released can be found here for free download : http://www.devils-shadow.com/forums/psp-iso-cso-downloads/1732-every-eur-us-psp-iso-ever-released-565-full-games.html
April 28th, 2009 at 1:40 pm
hey man very few PSP titles are launched in India. All sucky ones, no WWE titles too.
April 28th, 2009 at 2:19 pm
^ There is Smackdown, but didn’t try it. I hate WWE games. And anyways you can get all games off the interwubz.
June 26th, 2009 at 4:28 pm
hi, can you tell me how to install games from .RAR to my PSP. tnx
June 26th, 2009 at 8:09 pm
^ Extract the RAR files using WinRAR and then follow the above procedure.
July 2nd, 2009 at 10:18 pm
can i kn where i can dwgrade my psp2000 in bangalore the address
July 3rd, 2009 at 12:12 pm
Whats the PSP version available in India? PSP 3000? Is it hackable yet?
July 3rd, 2009 at 1:04 pm
Yea, the PSP 3000 has been modded AFAIK. The PSP Go is going to launch soon, so you may want to wait.
July 3rd, 2009 at 9:28 pm
ya but the psp go design sucks. Also no umd support. I might get a 2nd hand modded psp.
July 12th, 2009 at 9:07 am
ok i finally got modded psp 3004. Its hackable by chicken method. My cfw is 5.03 m33-6. The only disadvantage is that the hack goes away if psp is shutdown. So its better to keep it in sleep mode. Anyways, can u suggest me some good plugins?
August 6th, 2009 at 10:39 am
after install chicken run fine then i restart chicken gone any help game cant open too
August 14th, 2009 at 10:26 am
ambar i have 3004 psp my friend hacked it and put some games in memory card tell me how can i install the game myself from where and how .
August 29th, 2009 at 11:09 am
Can you tell what to do because when i download a game from the net using a torrent downloader. and after it finishes downloading, i extract using winrar but i could not see any ISO/CSO file on the folder. Usually, it contains the UMD file or the EBOOT.PBP. What are these files for????
August 31st, 2009 at 2:30 am
I thought I wasnt going to like this blog but more I read the more I liked it.
September 14th, 2009 at 9:00 pm
Hey bro !!! It worked wid my PSP 3003. Awesome dude !!! By the way, after i am done with the whole process, can i format my MS ??? Please post a prompt reply. Cheers mate
September 21st, 2009 at 6:22 pm
i do same but there is a problemb
September 21st, 2009 at 6:24 pm
i have a problemb to put cso game on psp
September 22nd, 2009 at 3:42 pm
i have the latest psp 3004 i want to know it is hackable or not ?
or whether the hack is available ?
November 5th, 2009 at 8:33 pm
i am having psp 3006 bought in bangkok and the gave a dvd with cso files ,tell me how to load them to memory stick and play in psp
January 3rd, 2010 at 10:34 am
where can i download CFW on Psp 3004?
January 22nd, 2010 at 8:34 pm
PSP Games
January 25th, 2010 at 3:23 pm
con i mod my psp 3004 without chip or battry
February 8th, 2010 at 12:59 pm
hi,
i just bought a psp with customware 5.03. i created a ISO folder and loaded the games inside. from inside the psp when i select games. it shows no games. can u guide me on this ? pls ..urgent..