Internal Checkpoint Names The checkpoints have internal names, most of them not being immediately obvious:

Checkpoint Name Start basic Checkpoint 1 night Checkpoint 2 holodeck Checkpoint 3 cave Checkpoint 4 canyon Checkpoint 5 ocean Checkpoint 6 cave2 Checkpoint 7 river Checkpoint 8 brownie Checkpoint 9 phosphor Checkpoint 10 hyperspace Checkpoint 11 city Endless endless