Bukkit

Version Tested : I'm pretty sure it works in every versions

1.8.8 , 1.9.4

Commands : Both have a block limit (vanilla limit)

/maze <start position: x y z> <end position: x z>

/path <start position: x y z> <end position: x z> | WARNING : Don't use wool or glasses for the maze and make sure that there are no escapes (holes in the wall)