Here is the full list of all 98 Evil Defenders achievements.
Complete the "Beach" mission.
Hit the gong.
Complete the "Wastelands" mission in Inferno mode.
Complete the "Heart of Fire" mission.
Unleash the power of the Heart of Fire.
Complete the "Forsaken Palace" mission.
Complete the "Burning Pass" mission.
Complete the "Rockway" mission in Inferno mode.
Complete all the "Frostlands" missions.
Complete the "Old Castle" mission.
Point and shoot from a catapult.
Complete the Challenge for the "Darkwood" mission.
Complete the "Darkwood" mission in Inferno mode.
Teleport 200 enemies.
Complete the "Snowbound Bastion" mission.
Remove snow to find a tower placeholder.
Let no enemy leave the tunnel.
Complete the Challenge for the "Rockway" mission.
Kill 10000 enemies.
Complete the "Frozen Beach" mission.
Freeze the river.
Earn at least 100000 gold coins.
Complete all the "Desert" missions.
Complete the "Oasis" mission.
Complete the "River Pass" mission in Inferno mode.
MacHellman must defeat an Old Mage.
Give any specialized tower a maximum upgrade.
Complete the "Paladins' Crossroad" mission.
MacHellman must stay in battle for 600 seconds in total.
Defeat Breaker.
Sell 50 towers.
Complete the "Wastelands" mission.
Complete the Challenge for the "River Pass" mission.
Complete all the "Highlands" missions.
Complete the "Rockway" mission.
Defeat Paladin.
Summon MacHellman.
Sell a tower.
Earn at least 10000 gold coins.
Burst a toxic bubble.
Kill 1000 enemies.
Early-start 100 waves.
Build 100 towers.
Strike water with lightning.
Use lightning to cause damage to 5 enemies in a river.
Complete the "Darkwood" mission.
Build every type of tower.
Build 50 towers.
Complete a mission without using any abilities.
Earn at least 1000 gold coins.
Upgrade any tower to third grade.
Early-start 10 waves.
Complete the "River Pass" mission.
Kill an enemy with lightning.
Start a wave early.
Kill 100000 enemies.
Kill 150000 enemies.
Complete all the missions and get at least one star per mission.
Complete all the missions and get at least two stars per mission.
Complete all the missions and get at least three stars per mission.
Earn at least 1000000 gold coins.
Kill 1000 enemies with lightning.
Summon MacHellman 100 times.
Complete the Challenge for the "Wastelands" mission.
Complete the Challenge for the "Paladins' Crossroad" mission.
Complete the "Paladins' Crossroad" mission in Inferno mode.
Complete the Challenge for the "Oasis" mission.
Complete the "Oasis" mission in Inferno mode.
Complete the Challenge for the "Frozen Beach" mission.
Complete the "Frozen Beach" mission in Inferno mode.
Complete the Challenge for the "Snowbound Bastion" mission.
Complete the "Snowbound Bastion" mission in Inferno mode.
Complete the Challenge for the "Old Castle" mission.
Complete the "Old Castle" mission in Inferno mode.
Complete the Challenge for the "Burning Pass" mission.
Complete the "Burning Pass" mission in Inferno mode.
Complete the Challenge for the "Forsaken Palace" mission.
Complete the "Forsaken Palace" mission in Inferno mode.
Complete the Challenge for the "Heart of Fire" mission.
Complete the "Heart of Fire" mission in Inferno mode.
Complete the Challenge for the "Beach" mission.
Complete the "Beach" mission in Inferno mode.
Complete the "Buried Trail" mission.
Complete the Challenge for the "Buried Trail" mission.
Complete the "Buried Trail" mission in Inferno mode.
Complete the "Golden Temple" mission.
Complete the Challenge for the "Golden Temple" mission.
Complete the "Golden Temple" mission in Inferno mode.
Complete a mission without building a single tower.
Use both abilities of the altar in a single mission.
Cause damage to 100 enemies with the river of fire in a single mission.
Convince 50 enemies to fight on your side with a treasure chest in a single mission.
Provoke Armageddon.
The Fallen Paladin must fight the battle for 300 seconds in a single mission.
Scare at least 50 enemies per mission.
Let no enemy pass through the doors of the Old Halls.
Read all the tips.
Kill 1000 flying enemies.