yes there are a couple horz. games on it now but it is very easy to change. here is a list of games
VERT game list
Arkanoid *
Bagman
Carnival
Burgertime
Centipede *
Crash
Crystal Castles *
Dig Dug
Donkey Kong
Donkey Kong II
Donkey Kong
Foundry Donkey Kong Jr.
Donkey Kong 3
Frogger
Gorf
Galaga
Galaga 2000
Galaga Enduring Freedom
Galaxian
Galaxian Part X
GridLee *
Jr. Pac-Man
Liberator *
Mappy
Mario Bros.
Millipede *
Missile Command *
Moon Cresta
Moon Patrol
Mr. Do
Mr. Do's Castle
Ms. Pac-Man
New Rally-X
Pac-Man
Pac-Man Plus
Pac & Pal
Pengo
Phoenix
Pooyan
Qix
Rally-X
Sinistar
Space Invaders
Space Invaders Deluxe
Star Luster
Stroke and Match Golf
Super Bagman
Super Breakout *
Super Pac-Man
Super Zaxxon
Tetris ²
Vs. Pinball
Vs. Soccer
Zaxxon
Berzerk
HORV. game list
Bubbles
Crash
Defender
Frenzy
Joust
Mario Bros.
Moon Patrol
New Rally-X
Qix
Rally-X
Robotron
Sinistar
Splat
Stargate
Star Luster
Stroke and Match Golf
Tetris
Vs. Pinball
Vs. Soccer
Wizard of Wor