The Update 18.5.6: Sands of Inaros Title update for Warframe has 5 achievements worth 410 gamerscore.
Complete all seven tests on the moon
Complete a Spy mission, extracting all 3 Data caches undetected in less than 5 mins
Fully unlock one Focus skill tree
Set 10 hostages free without triggering the execution timer
Achieve 30 stealth kills from a zipline