While other companies do expensive crossovers with Fortnite, Renault's been modding its little electric car into Garry's Mod, Palworld and Stardew Valley—and the mods actually look good

Product placement isn't quite as rife in videogames as it is in movies and TV, but there's still a long history of collaboration. Who can forget how Energizer used Alan Wake to let us know how quickly its batteries drained? Then there's League of Legends' long-running partnership with fashion company Louis Vuitton, which has spawned everything from ostentatious trophy carrying cases to in-game skins. Fortnite, meanwhile, has become a big playable billboard. 

Car manufacturers, though, are the most prolific...