The environments in Sonic Frontiers look really bad - not in the sense of "bad Sonic environments" or "realistic games = bad", but moreso just bad. The "real world" is too barren and the cyberspace levels are too cluttered. I'm 99.9% sure it's an intentional juxtaposition but that still doesn't excuse looking hideous IMO. I can appreciate the environments of games like 06 and Shadow despite not thinking they suit a rubberhose-inspired furry with a monoeye, but these wouldn't work even with a character design suited for them.