Amidar

Amidar is an arcade game programmed by Konami and published in 1981 by Stern. Its basic format is similar to that of Pac-Man: the player moves around a fixed rectilinear lattice, attempting to visit each location on the board while avoiding the enemies. When each spot has been visited, the player moves to the next level.

The game and the name have their roots in the Japanese lot drawing game Amidakuji. The bonus level in Amidar is a nearly exact replication of an Amidakuji game and the way the enemies move conform to the Amidakuji rules. A clone of this game was released for the Atari 2600, entitled Spiderdroid.