The difficulty of each structure is based on 3 factors:
1. gap size
2. minimum cps required
3. click pattern complexity.
↓Here is the ranking system↓
Level 1 - EASY
Level 2 - MEDIUM
Level 3 - HARD
Level 4 - BRUTAL
Level 5 - INSANE
Level 6 - EXTREME
Level 7 - DEMONIC
Level 8 - NIGHTMARE
Level 9 - HELLISH
Level 10 - IMPOSSIBLE
Watch 10 Levels of SPIKES Here: • 10 Levels of SPIKES | Geometry Dash
Timecodes
0:00 - LEVEL 1
0:32 - LEVEL 2
1:04 - LEVEL 3
1:32 - LEVEL 4
1:52 - LEVEL 5
2:05 - LEVEL 7
2:22 - LEVEL 8
2:35 - LEVEL 9
2:45 - LEVEL 10
Did I miss any structure?
Share it in the comments and I could make part 2 :)