- Ascended Fanon: Several of the new areas in Subnet Exploration Experience seem designed to add credence to the fan theory you can read in that area (for instance, a theory that the Submachines are looped through the fourth dimension is in an area with subtle Alien Geometries. Since many of the theories are incompatable, of course, they can't all be true. (Can they?)
- DVD Commentary: From the fourth game onward, there are bonus areas containing commentary and behind-the-scenes info from Skutnik. You usually need to collect tiny marbles hidden throughout the game proper in order to gain full access to said bonus areas.
- Schedule Slip:
- The end of The Core announces that The Plan is coming in 2011. It didn't come until the year after.
- The Exit was pushed back from a September 2015 release to sometime in Late Autumn 2015, then to December 2015.
- The Wiki Rule: Submachine Wiki.
Trivia / Submachine