Here is the full list of all 40 Overlord: Fellowship of Evil achievements.
Gain 100 crowns in-game through winning phases .
Complete/win 100 traversal states within the time limit.
Buy all statue upgrades for all four characters.
Buy all of the upgrades for all minion colours.
"Careful, we already lost one Overlord down there! I wonder what happened to him?" - Gnarl
Obtain all weapons for all characters.
Buy all of the upgrades for one minion colour.
Kill a "boss enemy" in a multiplayer game.
Complete a quest in local co-op with at least 2 players present.
Finish a quest in first place in multiplayer.
With four players, each summon at least 4 minions at the same time.
Complete any quest in online multiplayer, with at least one other player.
You completed Act 3.
The plot thickens.
You defeated Sparkle.
You defeated Clarissa
Buy all of one character's statue upgrades.
You defeated Cedric
You completed Act 2.
You defeated the Void Gazer
You introduced the peasants to the zombies!
You completed Act 1.
Summon Green minions to assassinate 50 enemies
Buy half of one character's statue upgrades.
Kill 50 sheep.
Kill 100 enemies with explosive red minions.
Kill 50 enemies with defensive brown minions.
You crashed the banquet.
You completed the prologue.
Receive the healing effect of blue minions 500 times.
Summon minions 500 times .
Knock 20 enemies off the side of the world and into the abyss!
Receive loot from minions 250 times.
Summon minions 250 times .
You defeated the Trolls.
You helped Ricket fix her forge.
Have 12 of your minions active at a given moment.
Summon minions 50 times.
Complete the prologue tutorial quest.
Gain 100% of the crowns in one quest.