Sly 3 is most optimised when playing on PAL (European/Australian) due to it having Dutch/Norwegian dubs. However, although many Sly runners tend to be European, some people may not live in the locations that provide PAL games. So here is an easy tutorial on how to get a PSN PAL account.

Step 1: Setting up a PAL PSN Account Go to store.playstation.com and click "create account" in the top right of the site. Then fill in the prefered email and password, select a european country like United Kingdom (example used here) and fill in the birth information, fill in city, state/province and the postcode, fill in online ID and first and last name, accept terms, confirm that you're not a robot and you're done.

Remember to select an address that is in the country you selected. (You may use Google Maps to help you)

Step 2: Purchasing Sly 3 with the account Purchasing a game with PSN is easy, get a prepaid card from cardcodes.com (link below), bearing in mind that Sly 3 cost £8. (I cannot confirm how fast this service is since most reviews say that its fast, but some say it took a fair amount of time) https://cardscodes.com/Playstation_Network_UK-k49-0-3-default.html

Step 3: Download, optimise and run! With your copy of PAL Sly 3 installed, you should now be able to change system language to Nederlands/Norsk and change game language. Enjoy! SeemsGood

NB: Read up on other guides to help optimise your runs to maximum