To find these secret nods between games check the specific spots carefully. First up dial 555 013 in your phone and let the call connect, you'll hear that distinctive creepy carnival music straight from the bearded lady scene which plays exactly like the original playstation version, just let the audio loop for confirmation. When exploring near the vanilla unicorn area keep an eye out for npcs wearing basketball jerseys, specifically looking for "hopkins 0 0" on the back this reference is pretty rare so you might need to circle the area a few times until they spawn.

Good to know: for the artwork connection, you'll want access to the casino penthouse content from the 2019 update. Once inside, examine the decorative paintings carefully and you'll spot that specific bully themed piece among the collection, timing wise this appeared right when sequel rumors were heating up so the placement feels deliberate. The audio trigger stays consistent through patches, but npc spawns can be a bit random so patience helps with spotting that jersey. Stick close to the strip club entrance, as that's where the basketball jersey npcs tend to congregate most frequently.