Ultimate Challenge/Floor 20

Floor 20 of Ultimate Challenge, named "Backward Clock!", is the secret level in chapter "Satellite Systems" and the second secret level in the entire game. It is a very large map, using up nearly all of the available floor space.
==Strategy==
The level is very linear - just keep going forward and eliminate any opposition along the way.
==Secrets==
==Map==
250px
==Video==
Spear Of Destiny 3 - Ultimate Challange - Floor 14 (Lower Bunker Area Secret) Part 1|The Walkthrough of Floor 20 - secret level for Satellite Systems Part 1.
Spear Of Destiny 3 - Ultimate Challange - Floor 14 (Lower Bunker Area Secret) Part 2|The Walkthrough of Floor 20 - secret level for Satellite Systems Part 2.
==References==