Hard mode

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Hard mode changes the gameplay compared to Normal in some ways to make it more difficult. When playing in Hard mode, a small red pentagram (Hard mode only) appears on the HUD, below the pickups.

Differences[edit | edit source]

  • 2-3 more rooms generate each floor.
  • Certain "easy" room layouts cannot generate, making difficult rooms more common.
  • Enemies have a base 20% chance to become Champions instead of only 5%; additionally, they only award pickups 33% of the time.
  • Hearts are 66% less likely to drop after completing a room.
  • Only champion bosses will drop hearts; normal bosses will not.
  • Floors are more likely to have curses.
  • Floors are more likely to be replaced by their alternate versions (e.g. Necropolis Necropolis or Added in Afterbirth Dank Depths Dank Depths instead of The Depths The Depths).

Unlocks for Hard Mode[edit | edit source]

Character Mom's Heart Added in Afterbirth All completion marks
Isaac Lost Baby Buddy Baby
Magdalene Cute Baby Colorful Baby
Cain Glass Baby Picky Baby
Judas Shadow Baby Belial Baby
??? Dead Baby Hive Baby
Eve Crow Baby Whore Baby
Samson Fighting Baby Revenge Baby
Azazel Begotten Baby Sucky Baby
Lazarus Wrapped Baby Dripping Baby
Eden Glitch Baby Cracked Baby
The Lost -0- Baby Godhead
Added in Afterbirth Lilith Goat Head Baby Dark Baby
Added in Afterbirth Keeper Super Greed Baby Sale Baby
Added in Afterbirth † Apollyon Smelter Apollyon Baby
Added in Afterbirth † The Forgotten Marrow Bone Baby

Trivia[edit | edit source]

  • Before update 1.03, the reduced drop-rate affected all pickups (not just Red Hearts).
  • Godhead Godhead, Added in Afterbirth †Smelter Smelter, and Added in Afterbirth †Marrow Marrow are the only items that require playing Hard mode to unlock, with every other unlock being co-op babies.
  • Godhead Godhead's unlock requirements were extended in the Afterbirth DLC (and further extended in the Afterbirth+ DLC) due to the addition of more completion marks, but it can still be unlocked in the base game using the same method.

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