The Update 22: Plains of Eidolon Title update for Warframe has 7 achievements worth 220 gamerscore.
Kill 100 grounded enemies while in Archwing Mode above the Plains of Eidolon
Craft your first Zaw
Survive a night on the Eidolon Plains
Explore all of the Eidolon Caves
Travel over 500 meters in a single slide across the Plains of Eidolon
Defeat an Eidolon Teralyst
Complete the Saya's Vigil Quest