YH is a series of multicarts made by an unknown company in the 2010s and earlier.
Known cartridges include:
- YH-413: 4 in 1 (Contra 2, Kage, Contra 3 (Contra Force), Final Mission)
- YH-435: 4 in 1 (Mortal Kombat 4, Mortal Kombat 5, Adventures Island, Spider-Man)
- YH-471
- YH-475
- YH1403
- YH1413
- YH1420
- YH1426
- YH1435
- YH-3128
- YH-3135
- YH-4112: 4 in 1 (Super Mario 9, Super Mario 10, Super Mario 14, Super Mario 16)
- YH-4113
- YH-4145
- YH-4221
- YH-4242: 4 in 1 (Batman, Teenage Mutant Ninja Turtles, Spider-Man, Teenage Mutant Ninja Turtles: Turnament Fighters)
- YH-4245: 4 in 1 (Robocopm Robocop 2, Robocop 4 (hack version of Robocop 3), Spider-Man)
- YH-4247: 4 in 1 (Spiderman, SD Fighter, Batman, Street Fighter 12P)