Hang-On II (ハングオンII) is an SG-1000 sequel to the critically acclaimed Hang-On.
Despite the name, the game is meant as a direct sequel to the Mark III version of Hang-On, and is virtually identical to that game. The only difference is downgraded graphics and the addition of music from the arcade version. Meanwhile, Super Hang-On is the direct sequel to the arcade game.
The game is a motorcycle racing game. Each course is divided into five stages, and the player has 60 seconds to reach the checkpoint at the end of each stage. The player receives another 60 seconds of time at each checkpoint. The game is a race against the clock; other racers appear, but they act only as obstacles. The motorcycle crashes if it hits another racer or a roadside object but respawns after a moment, costing the player time. The game ends if the player runs out of time.
The motorcycle steers with and . It accelerates with and brakes with . It has a three-speed transmission, which is upshifted with and downshifted with .
There are three difficulty levels, selectable from the title screen before starting the game, with level 1 being the easiest and level 3 being the hardest. The difficulty setting affects the number of opposing racers and their aggressiveness. The course repeats indefinitely after it is completed.