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