|Slot||-||Empty slot, you may fill it with a heart. (Maximum of 10)|
|Pure||-||Standard heart, one damage (shot or fall) and you lose it.|
|Golden||Yes||Increased amount of gold coins that drop from enemies.|
|Burning||-||Can absorb one fire or explosive damage before turning into a pure heart.|
|Spiked||-||Can absorb one spike damage before turning into a pure heart.
Caution: this heart will replace one of your other hearts and can kill you if you have only one heart that isn't spiked!
|Lucky||Yes||Enemies will give better hearts and more gold. Crits percentage will raise. More lucky hearts you have = more effect.|
|Graphene||Yes||Increases attack strength.|
|Wing||Yes||Every wing heart allows +1 extra jump, when in the air. For example, three wing hearts gives +3 jumps in the air.|
|Peace||No||Enemies won't attack you, until they are provoked (by player, environment, another enemy, etc).|
|Diamond||No||Allows you to take a hit against anything (no pitfalls). Turns into Broken heart once used.|
|Broken||No||No added effect. Similar to Pure heart.|
|Cheating||No||Allows player to break regular doors. Only appears in shops. To cheat, you should go to the left door.|
|Glitch||No||Warps the player to the room opposite of the current number. Is obtained after Cheating has been used on room YX. It will appear in a chest, and when you exit the room, warps you to room XY, (eg, use the cheating heart on room 19, gives you a room 91 glitch heart warp).
Warning: This can cause a jumpscare. Obtaining this makes your hearts flash quickly in different colors and display a bunch of error messages and random text on your screen.
|Lock||No||Opens locked doors.|
|Rainbow||No||Creates a rainbow trail that follows the player, acts like a pure heart.|