Startopia features service robots named "Scuzzers", in reference to the Dwarf universe's Scutter droids.
In SimCity 2000, neighboring cities can include Lister, Rimmer, Cats Corner, Krighton, and Little Rouge.
In the second-generation Pokemon games and their remakes, there are three Bug Catchers on Route 2. The ones who are close together are named Rob and Doug (after Rob Grant and Doug Naylor, the show's primary writers); the other is named Ed (after Ed Bye, director and producer of series I-IV and series VII and VIII).
In Ratchet: Deadlocked, there is a superhero named Ace Hardlight. Much like Rimmer, he is nowhere near as heroic as he likes to make out.
Kingdom of Loathing has the various traffic cone items, all of which quote The Cat from "Last Day": "It's not a good night unless you get a traffic cone."
Also, it was once possible to see a dog's milk asteroid.
An axe wound monster can poke you with a red-hot red dwarf star, which is "smegging hot!"
Episode 8 of Spacemen shows the Red Dwarf flying past the deathbot ship.