ChainXY

ChainXY is a for games where the player maneuvers a line which grows in length, with the line itself being a primary obstacle. The player controls a dot, square, or object on a bordered. As it moves forward, it leaves a trail behind. In some games, the end of the trail is in a fixed position. In another common scheme, the chain has a specific length. The player loses when the chain runs into the screen border, a trail, or another obstacle.