Full list of all 37 RWBY: Grimm Eclipse achievements worth 1,120 gamerscore. It takes around 15-20 hours to unlock all of the achievements in the base game.
The base game contains 31 achievements worth 1,000 Gamerscore, and there is 1 DLC pack containing 6 achievements worth 120 Gamerscore.
Win any Horde map with all security nodes at 85% health.
Beat any horde map without building a turret.
In a four player online game, each player deposits at least one dust crystal.
Get the highest score in a four player online match on a single level.
Played in an online match with all four team RWBY members present.
Have 10 active turrets at once during a horde match.
Reach rank 10 with any character.
Beat any Horde map solo.
Collect a total of 20,000 Lien during any Horde match.
Killed 35 enemies with turrets during a single horde match.
Collect 10 artifacts during a single play session.
Get four flawless waves in a waved encounter.
Complete the campaign using Ruby
Do Blake's taunt right after killing the Mutant Deathstalker
Complete the campaign using Blake
Complete the campaign using Weiss
Get Wave MVP five times in a waved encounter.
Kill 10 enemies with a single Ultimate attack
Completed the campaign in single player.
Completed Mountain Glenn Part 2 with 3:00 minutes or more left on the clock.
Complete any level by only using ranged attacks.
Reach 100 hits on the combo counter.
Complete the campaign using Yang
Revive a teammate after purchasing Quick Revive.
Do a Team Attack with Ruby and Yang
Complete any level without taking damage.
Kill a Mutant Beowolf while your Aura is depleted.
Get an assist on a Mutant Beowolf
Collect the artifact at the end of the jumping puzzle in Forever Fall.
Refund all of your Ability Points
Execute a Team Attack.
Completed the campaign using Pyrrha.
Completed the campaign using Jaune.
Completed the campaign using Ren.
Go Team RNJR! Played in an online match with Ruby, Nora, Jaune, and Ren.
Played in an online match with Jaune, Nora, Pyrrha, and Ren.
Completed the campaign using Nora.