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