Here is the full list of all 394 Tracks of Triumph: Summertime achievements.
Successfully finish level 14
Successfully finish level 15
Successfully finish level 13
Successfully finish level 12
Successfully finish level 11
Successfully finish level 10
Successfully finish level 9
Successfully finish level 8
Successfully finish level 7
Successfully finish level 6
Successfully finish level 5
Successfully finish level 4
Successfully finish level 3
Destroy 1 more enemy
Successfully finish level 2
Destroy 1 d enemy
Successfully finish level 1
Successfully finish level 16
Successfully finish level 17
Successfully finish level 18
Successfully finish level 19
Successfully finish level 20
Successfully finish level 21
Successfully finish level 22
Successfully finish level 23
Successfully finish level 24
Successfully finish level 25