Board Thread:New on Katawa Shoujo Wiki/@comment-146.185.157.19-20190108105325/@comment-174.53.209.153-20200315071632
From Katawa Shoujo Wiki
The Main Menu has a scene and CGI gallery, so you can check whether you've missed any there. I don't remember how many endings there were specifically though. Presumably a bad/neutral/good ending for each heroine.