Oblivion is the hardest level yet that Steaver has made. It is from the upcoming set, "Ultimate Challenge 3". Here is a screenshot of the level(it was taken in the level editor, not in the actual game):
Note: The entrance is hard to see. Look at the far left of the bricks that have "Oblivion" written on them, and you will see part of the entrance.
The tools are as follows:
20 Climbers
20 Floaters
00 Bombers
20 Blockers
02 Builders
01 Bashers
00 Miners
01 Diggers
The stats are as follows:
Save 18 of 20
Release Rate 99
Time Limit: 3:30