Here is the full list of all 46 HellEscape achievements.
Complete the 'Ancient Ruins' stage without skips.
Kill the Serpent in 240 seconds or less.
Get Max Health of over 150.
Kill a hundred chickens.
Get Armor level to 10 (without special abilities).
Collect 1500 Gold in one game.
Complete the 'Cursed Meadow' stage without skips.
Eat 35 times in one game.
Complete the 'Dark Woods' stage without skips.
Accumulate 10,000 Gold.
Reach level 30.
Consume 30 mana potions in one game.
Survive for five minutes.
Collect 20 chests in one game.
Accumulate 10 hours of gameplay.
Sacrifice one of your heroes.
Kill five Death Worms.
Kill The Inevitable.
Complete the 'Salt Desert' stage without skips.
Complete the 'The Climb' stage without skips.
Complete the 'Snowy Peaks' stage without skips.
Complete the 'Lava River' stage without skips.
Complete the 'Plains of Terror' stage without skips.
Survive for 500 seconds without killing anyone.
Kill Enihpares in 60 seconds or less.
Destroy the Blood Tree in 120 seconds or less.
Kill the Desert Lord in 240 seconds or less.
Kill the Mountain Spirit in 360 seconds or less.
Break the King Seal in 420 seconds or less.
Destroy the SOUL in 420 seconds or less.
Win a mission with the Gigachad Powerup.
Reach level 45.
Play as 15 different Heroes.
Collect 25 different Artifacts.
Play with 40 different powerups.
Finish 'Hold the Gates' with 100% gates health.
Finish a mission with a mount you bought still alive.
Unlock 5 Mounts.
Unlock 15 Mounts.
Lose a mission when its 90% complete.
Summon 7 Dark Minions in one game.
Win 3 Daily Challenges.
Free 250 Caged Mercenaries.
Finish a mission with 10000 Brutality.
Complete 'The Depths' stage without skips.
Seriously? Shame on you.