mods that I like (in order from most to least, although I like all of them):
1. Nightcore
2. "Nomod"
3. Hard Rock
4. Hidden
5. Double Time
6. No Fail
7. Autopilot
8. Perfect
mods that are useless to me and that I dislike for this reason (no order here, since I don't play with any of them):
Half Time
Relax
Easy
Flashlight
Sudden Death
Spun Out