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.

This tool is live for all users with contributor privileges.

https://www.pricecharting.com/add-product

After you use it, please give us any feedback to improve it.

Sorry if you did not receive enough notifications.  I'll look into that. I can restore your collection for you.  Please give me the link to your empty collection page and I'll restore all the items for you.

https://www.pricecharting.com/game/jp-sega-dreamcast/hello-kitty-dreamcast-system

This is a new console and games.  You can vote for that issue:

https://pricecharting.userecho.com/communities/1/topics/512-add-hyperscan-console-and-games

https://www.pricecharting.com/game/super-famicom/super-famicom-system

That console is added here:

https://www.pricecharting.com/game/neo-geo/neo-geo-x-gold

Atari XE games are included in the Atari 400/800 section on the website.  The console is included here:

https://www.pricecharting.com/game/31663

That is a whole console and games that we have not added yet.  You can vote for that issue here:

https://pricecharting.userecho.com/communities/1/topics/313-add-commodore-amiga-cd32-system-and-games

I've added Enter the Gungeon PS4 now