well, i guess ...iru! certainly is a game...
it's fun at first, it's kinda got this eccho night feel, which i really dig, but it gets kinda boring as the game progresses. without a walkthrough it's a pain in the ass, lots of obtuse backtracking that could've been totally left out. the music is really annoying after a while, the same track mostly loops over and over. the plot is also completely ridiculous, albeit somewhat enjoyable. the graphics and aesthetic are amazing tho, i really love them, plus it's cool to see a fully 3d game on the ps1 (no fmv cutscenes).
idk man, if you're into horror games like me it's worth a try, but don't expect much. at least it's short though.