Unlockables

Throughout the game you willl be able to unlock a lot of different content. These contents can be tracked in the Unlocks menu.

Icon	Name	Type	Requirement	Effect
	Experienced	Background	Reach progression level 1.	+1 Starting Level
	Survivor	Background	Reach progression level 2.	+4 HP Bonfire Healing
	Wildling	Class	Reach progression level 3.	Unlocks the Wildling.
	Strong	Background	Reach progression level 4.	+1 base STR -2 base INT.
	Nimble	Background	Reach progression level 5.	+2 base SPD.
	Training Dummy	Special	Reach progression level 6.	Adds a scarecrow to the lobby, which can be used as a training dummy. (The scarecrow does not have feelings, despite claims to the contrary. Do not empathize with the scarecrow.)
	Bookworm	Background	Reach progression level 7.	Every spell you learn starts at level 2. -1 base STR and -1 base DEX
	Illiterate	Background	Reach progression level 8.	Your character starts with 5 bombs but is unable to read any scrolls or spellsbooks.
	Merchant	Background	Reach progression level 9.	Discount at Shops. (Only for the player using the background)
	Ascetic	Background	Reach progression level 10.	Touching gold will destroy it, but your starting stats are increased.(+1 VIT, +1 INT, +1 DEX, +1STR)
	Farsighted	Background	Reach progression level 11.	Increased ranged damage, but greater chance to miss melee attacks. Also improves sight range.
	Snake Eater	Background	Reach progression level 12.	Potions of Poisons heal you (15HP), but Potions of Regeneration are less effective (15HP). Start with 1 point of poison resistance and 2 (unidentified) poison potions.
	Wanted	Background	Reach progression level 13.	Begin the game with a Stolen Ring (+3 Luck and gold collector effect). Shopkeepers will attack you on sight.
	Potion Addict	Background	Reach progression level 14.	Heal 2HP when drinking any potion.
	Stoic	Background	Reach progression level 15.	-25% Status Effect Duration
	Random	Class	Reach progression level 16.	Spawn in the lobby as a skeleton. You will begin the game as a random class with a random background.
	Ranger	Class	Reach progression level 17.	Unlocks the Ranger.
	Armored	Background	Complete the game as a Knight.	Start with +2 defense armor, but -2 damage stat on starting sword. Knight exclusive
	Boomerang Wielder	Background	Complete the game as a Rogue.	Start with a boomerang instead of the short bow. Rogue exclusive
	Heirloom	Background	Complete the game as a Mage.	Start with the Heirloom Ring instead of a magic rod. Mage exclusive
	Will of the Elements	Background	Complete the game as a Wilding.	Start with the Elemental Caestus. Wilding exclusive
	Tinkerer	Background	Defeat the Vine Lord	Start with a grappling hook. -1 SPD
	Death’s Acolyte	Background	Clear 3 floors while wearing equipment with the "death becomes easier to encounter" effect.	Permanent "death becomes easier to encounter" effect, but deal extremely increased damage to enemies.
	Alternate Cave Theme	Music	Kill all Cave bosses.	Chance to replace the Cave theme on some floors.
	Alternate Forest Theme	Music	Kill all Forest bosses.	Chance to replace the Forest theme on some floors.
	Alternate Catacombs Theme	Music	Kill all Catacombs bosses.	Chance to replace the catacomb theme on some floors.
	Alternate Rift Theme	Music	Kill all Rift bosses.	Chance to replace the Rift theme on some floors.
	Trophy	Special	Defeat ???/The Lost Adventurer	Visual change to the caravan lobby

Progression

Most backgrounds are unlocked by reaching certain progression levels. You gain experience bases on some factors that determine how well you did in a run.

The experience calculations are as follows:

XP Score: x^1.2 * 10 =

Floor Score: x^1.5 =

Boss Score: x * 7 =

Gold Score: x / 50 =

...Total Score: