Here is the full list of all 44 Immortal Redneck achievements.
Kill 50,000 minions
Buy every level of each Skill Tree node
Beat the game using all the favors of the Gods
Beat the game with the Cursed Medallion
Die 50 times
Beat the game with 20 lives or less
Defeat Fayoum
Beat the game with the Plague Medallion
Beat the game
Unlock and buy every medallion
Get more than 50,000 coins in a game
Equip all the weapons
Defeat Asyut
Buy every Skill Tree node
Complete a pyramid without taking scrolls or weapons
Spend 100,000 coins on the Skill Tree
Defeat Temsep
Defeat Maaty
Defeat Pharaoh in under 15 minutes from when you enter the pyramid
Pay 5,000 coins or more as a tribute
Acquire four jumps in a game
Find every scroll
Obtain Hathor's Favor
Find the Crowbar, the Rocket Launcher and the Explosive Bow
Kill 7 enemies with a single explosion
Nice try but sorry, you're trapped in here
Obtain Thoth's Favor
Defeat Weryt
Complete a pyramid exploring all of its rooms
Use Déjà Vu to keep the layout of a pyramid
Obtain Ammit's Favor
Obtain Amunet's Favor
Obtain Neith's Favor
Obtain Sekhmet's Favor
Get 10 scrolls in a game
Defeat Pharaoh
Kill a chicken
Get a health steak from a vessel
Find your first blueprint
The Merchant is open for business
Obtain Seth's Favor
Reach the second floor of the pyramid
Obtain Apis' Favor
Complete a Skill Room