Unfortunately, there is no such thing as download free PSP games. Well, perhaps there are people who really offer free PSP games downloads but there is a risk associated there. Nothing in this life is for free except for the air that we breathe. Anyhow, there are certainly websites that offer free PSP files and free PSP games downloads. However, there may be certain terms and conditions that you may not like.
The first option is per-to-peer file sharing. This means that as a member, you will be able to get free downloads of any files as long as one member has the file and is willing to share it with the whole world.
The catch is, majority of these pee-to-peer groups have regulations that you have to share files, too, whose sizes are equivalent to the files that you downloaded. Let us say you downloaded an MP3 song that has a total of 4.2 MB, then you have to replace this with either another song or probably pictures equivalent to or more than 4.2 MB. So in essence, the files your downloaded are not free. The payment just happened in a barter system, not monetary system.
Also, be aware that P2P networks often have many viruses and spyware and it is not advisable to download psp games from P2P. Some of the files are corrupted and can´t be downloaded as well.
The best alternative to downloading free PSP games is to join paid PSP games download membership sites. These membership sites allow you to download unlimited PSP games for a one time fee. Besides PSP games, you can also download PSP movies, videos and much more.
Although you need to pay for access to PSP membership sites, the cost is reasonable and you are guaranteed quality PSP games and movies download. In the long run, it only comes to a few cents per PSP game download.