Here is the full list of all 25 8-Bit Hordes achievements.
Complete mission 6 of the Deathsworn campaign.
Win a multiplayer game as the Deathsworn faction against at least one human player.
Win a team multiplayer match against human players with a team consisting of at least one Deathsworn and one Lightbringers player.
Find "Bob" the commando in each mission of the Deathsworn campaign.
Find "Bob" the commando in each mission of the Lighbringers campaign.
Find "Bob" the commando in every mission of the 8-Bit Hordes solo campaigns.
Complete the single-player campaign with the Deathsworn faction.
Complete the single-player campaign with the Deathsworn faction with at least 2 stars in each mission.
Complete the single-player campaign with the Deathsworn faction and earn all possible stars.
Complete the single-player campaign with the Deathsworn faction with every mission set to Hard difficulty.
Win a one-on-one skirmish game against an insane AI with the Deathsworn faction.
Using Blizzard, shatter 1000 units in any game mode.
Complete mission 6 of the Lightbringers campaign.
Complete the single-player campaign with the Lightbringers faction.
Complete the single-player campaign with the Lightbringers faction with at least 2 stars in each mission.
Complete the single-player campaign with the Lightbringers faction and earn all possible stars.
Complete the single-player campaign with the Lightbringers faction with every mission set to Hard difficulty.
Win a one-on-one skirmish game against an insane AI with the Lightbringers faction.
Win a multiplayer game as the Lightbringers faction against at least one human player.
Using Holy Arrow, kill 500 enemy units and heal 10,000 points of health in any game mode.
As a Deathsworn or Lightbringers player, win a multiplayer match against a Guardians or Renegades player.
Complete all twelve coop campaign missions with at least one star.
Complete all twelve coop campaign missions with at least two stars.
Complete all twelve coop campaign missions and earn all possible stars.
Complete the following achievements: Death Conquered, Death to the Undead, This is Madness!, All you Need is Light, Arrows with Acquaintances, Light of the People and Fire and Ice.