They published Koudelka, close enough!

My thoughts upon seeing that post went towards Sora no Kiseki/Sen no Kiseki (Trails in the Sky/Trails of Cold Steel) but I can't be sure that's what he meant, maybe I missed the joke too.

(I was tempted to include them but it's not like they're the first games to do worldbuilding, they're just the first to do it so well IMO)