I feel like the current implementation of the completionist showcase is a bit underwhelming. Right now I believe it's only possible to have two of these showcases on your profile. Each showcase only holds a maximum of six games in a 2x3 configuration.

I think it would be nice to be able to customize the amount of games that these showcases can hold. Instead of only a 2x3 configuration maybe we could have the option to add more rows and/or columns. Each cell could shrink to still fit the same total size that the showcase already is.

This would be cool for displaying completions of entire franchises. Currently I can't display every Resident Evil game for example. Also, maybe this idea could be used on the other showcases as well.