Steam user hexatronic has created a new custom map, which has now been approved by the Tricone Lab Online adminstrators. It has 4 levels, and uses only the Breaker and Transporter mechanics. So, once you have got those 2 keys, you can download and play this map.
http://steamcommunity.com/sharedfiles/filedetails/?id=638273901
http://steamcommunity.com/sharedfiles/filedetails/?id=638273619
http://steamcommunity.com/sharedfiles/filedetails/?id=638274411
http://steamcommunity.com/sharedfiles/filedetails/?id=638274141
Download them and see if you can solve them all!
josh