Here is the full list of all 17 Ultimate Summer achievements.
Turn it on
Finish 1st mission
Finish 2nd mission
Finish 3rd mission
Finish 4th mission
Finish 5th mission
Finish 6th mission
Finish 7th mission
Finish 8th mission
Finish 9th mission
Finish 10th mission
Finish 11th mission
Finish 12th mission
Finish 13th mission
Finish 14th mission
Achieve everything
Achieve all the in-game achievements