I don’t know which one of the ctr games you are referring too, but you might be interested about this one www.youtube.com/watch?v=hCwSkmAp7f8, there is an effort from ctr community to port the ps1 game on pc
IGG is bad because some of their repacks had their drm inside dll files, there were Ads built into the game at runtime, were found Cryptominers and startup malware included in their games and many other things.