The player selects a level of play, which determines the number of trains running, and for every 25 passengers picked up, the sub-level increases by one.
While the player may pause the action to consider which points to switch, doing so decreases the score.
[1] ZX Computing considered the game to be an excellent example of what the 16K Spectrum is capable of, requiring skill and practice to navigate even one train.
[3] Criticisms of the game included repetitive sound effects[2][3] and the indistinct letters used for switch designation.
[4] The list's compiler, Stuart Campbell, later championed the game for its requirement of "complex spatial awareness, fast reactions and multiple forward planning", comparing it with Typing of the Dead (1999).