すばらしきこのせかい The Animation S1

A surprisingly decent adaption of the game

I picked this up as a huge fan of the original game wanting something generally easy to watch, and that's basically what I got. The original game is smushed into 12 episodes, leading to a somewhat breakneck pace, but I felt like the important bits were generally covered well.

The voices are easily overtaken by the music, unfortunately, but otherwise the actors are fairly clear. There's a decent bit of game-specific lingo considering the episode count, you'll probably be able to pick it up fairly quickly.