Game info for blog post

I am looking to add game info to video game post on my site. I have this code that i added to my theme functions. It allows my writers to add the games info while writing up a store about the game. Now what i would like to do is have this added to my sidebar. Can anyone help. Here is the code that has been added to my theme functions.php:

https://pastebin.com/Fy9k7npN