Here is the full list of all 100 Dubstep Bird achievements.
Reached the max rank
Scored 50+ in 2player
Got a score of 15 on 2player mode
Got a score of 20 on 2player mode
Master of the flap
Got a score of 24 on Speed mode
Got a score of 25 on Speed mode
Got a score of 26 on Speed mode
Got a score of 27 on Speed mode
Got a score of 28 on Speed mode
Got a score of 29 on Speed mode
Got a score of 30 on Speed mode
Got a score of 50+ on Speed mode
Got a score of 14 on Classic mode
Got a score of 15 on Classic mode
Got a score of 16 on Classic mode
Got a score of 17 on Classic mode
Got a score of 18 on Classic mode
Got a score of 19 on Classic mode
Got a score of 20 on Classic mode
Got a score of 21 on Classic mode
Got a score of 22 on Classic mode
Got a score of 23 on Classic mode
Got a score of 24 on Classic mode
Got a score of 25 on Classic mode
Got a score of 26 on Classic mode
Got a score of 27 on Classic mode
Got a score of 28 on Classic mode
Got a score of 29 on Classic mode
Got a score of 30 on Classic mode
Scored more than 50+ on Classic mode
Got a score of 100 on any mode
Got a score of 23 on Skill mode
Got a score of 24 on Skill mode
Got a score of 25 on Skill mode
Got a score of 26 on Skill mode
Got a score of 27 on Skill mode
Got a score of 28 on Skill mode
Got a score of 29 on Skill mode
Got a score of 30 on Skill mode
Got a score of 50 on Skill mode
Got a score of 5 on 2player mode
Got a score of 16 on Speed mode
Got a score of 17 on Speed mode
Got a score of 18 on Speed mode
Got a score of 19 on Speed mode
Got a score of 20 on Speed mode
Got a score of 21 on Speed mode
Got a score of 22 on Speed mode
Got a score of 23 on Speed mode
Got a score of 9 on Speed mode
Got a score of 10 on Speed mode
Got a score of 11 on Speed mode
Got a score of 12 on Speed mode
Got a score of 13 on Speed mode
Got a score of 14 on Speed mode
Got a score of 15 on Speed mode
Got a score of 8 on Speed mode
Got a score of 3 on Speed mode
Got a score of 4 on Speed mode
Got a score of 5 on Speed mode
Got a score of 6 on Speed mode
Got a score of 7 on Speed mode
Got a score of 2 on Speed mode
Got a score of 1 on Speed mode
Got a score of 8 on Classic mode
Got a score of 9 on Classic mode
Got a score of 10 on Classic mode
Got a score of 11 on Classic mode
Got a score of 12 on Classic mode
Got a score of 13 on Classic mode
Got a score of 7 on Classic mode
Got a score of 2 on Classic mode
Got a score of 3 on Classic mode
Got a score of 4 on Classic mode
Got a score of 5 on Classic mode
Got a score of 6 on Classic mode
Got a score of 1 on Classic mode
Got a score of 13 on Skill mode
Got a score of 14 on Skill mode
Got a score of 15 on Skill mode
Got a score of 16 on Skill mode
Got a score of 17 on Skill mode
Got a score of 18 on Skill mode
Got a score of 19 on Skill mode
Got a score of 20 on Skill mode
Got a score of 21 on Skill mode
Got a score of 22 on Skill mode
Got a score of 4 on Skill mode
Got a score of 5 on Skill mode
Got a score of 6 on Skill mode
Got a score of 7 on Skill mode
Got a score of 8 on Skill mode
Got a score of 9 on Skill mode
Got a score of 10 on Skill mode
Got a score of 11 on Skill mode
Got a score of 12 on Skill mode
Got a score of 1 on Skill mode
Got a score of 2 on Skill mode
Got a score of 3 on Skill mode