We're working on PAL Wii and PAL PSP now.  Then plan to add PAL PS4 and hopefully  the PAL Xbox games soon after.  Thanks for the feedback.

Users with contributor privileges can do this now:

https://www.pricecharting.com/contribute

You click the 'edit' button next to the EPID and then update it to the correct one.  Admin will be notified of the change confirm it is correct.

Closing.  Users can add their own missing items if they have contributor privileges and they can email us about missing titles so we can add them.

This is on the site:

https://www.pricecharting.com/game/nintendo-3ds/mario-&-luigi-bowser's-inside-story-+-bowser-jr's-journey

This is a duplicate.  Please cast your vote for this issue here:

https://pricecharting.userecho.com/communities/1/topics/378-add-famicom-disk-system-games

We already have this available.

You can see all the Vita games here and their values:

https://www.pricecharting.com/console/playstation-vita

You can see all the Vita games available on our marketplace to buy here:

https://www.pricecharting.com/search-products?console-uid=G43&stock=in

We have that here:

https://www.pricecharting.com/game/playstation-4/gran-turismo-sport

And the limited edition:

https://www.pricecharting.com/game/playstation-4/gran-turismo-sport-limited-edition

Added Nintendo Power.

https://www.pricecharting.com/console/nintendo-power

I'm going to let people request specific magazines in other threads so I know which are the most popular.

We've added Nintendo Power issues

https://www.pricecharting.com/console/nintendo-power

Not exactly strategy guides, but very similar

Do you get an error message at all?  You have to have contributor status on the site in order to add a game so not all users will be able to use it.