The Update 15: Archwing Title update for Warframe has 4 achievements worth 70 gamerscore.
Destroy 200 Corpus Crewman helmets.
Score a kill with your equipped primary, secondary and melee weapons in 5 seconds or less.
Polarize a Weapon, Companion, or Warframe
Reach Rank 30 with a polarized Weapon, Companion, or Warframe