Aprils Fool

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Aprils   Fool
Character Isaac appearance.png
Full red heartFull red heartFull red heart
Table dividing line 1.png
Challenge Number
32
Available Rooms
Item Pool Treasure Room.png: yes          Item Pool Shop.png: yes
Goal
Boss Mom's Heart.png
Unlocks
Maggy Now Holds a Pill! Maggy Now Holds a Pill!
Unlock Method

Aprils fool Defeat Mom

Added in Afterbirth †

Aprils Fool is challenge 32. Isaac has no special starting items for this challenge. However, all floor bosses are changed to The Bloat, Stonies have a chance to be replaced by Cross Stonies, all items, trinkets, and pickups display an incorrect sprite, activated items and pickups never activate the correct effect, and Isaac's location is displayed as a random room on the map. The goal is to defeat Mom's Heart, which has also been replaced by The Bloat. Treasure Rooms and Shops are present in this challenge.

Difficulty[edit | edit source]

  • All changes mentioned above are designed to make this challenge exceedingly difficult and frustrating.
    • While Curse of the Blind is not active, the fact that all pedestal items are displayed incorrectly means that, like with Curse of the Blind, it is impossible to know what each item is until acquired.
      • All items are still pulled from the correct item pool (Angels will still drop Key Pieces, Mom will drop The Polaroid and The Negative if they are unlocked).
    • Pickups (coins/hearts/bombs/keys), unlike pedestal items, are not displayed incorrectly. Once a pickup is acquired, it is randomly changed to another.
      • Coins and keys give hearts, bombs or keys.
      • Bombs give hearts, coins or keys.
      • Hearts give coins, bombs or keys.
      • This makes it very hard to accumulate coins as they can be gained only from bombs and hearts, at a 1 in 3 rate.
      • Lucky Coins will still provide +1 Luck.
      • Hearts follow their standard behavior, and cannot be picked up unless Isaac is injured, even though they provide other resources. Contrariwise, other pickups may provide red hearts when picked up, giving no benefit if health is full.
    • All activated collectibles, pills, cards and runes have a random effect upon being used. This makes any strategy involving them unreliable and potentially dangerous. Cards can trigger the Suicide King Suicide King effect, pills can activate the Health Down effect, and active items can trigger 15►Plan C Plan C.
    • Cross Stonies are significantly more challenging compared to regular Stonies.
    • Most importantly, every single boss found during the challenge is The Bloat, which is normally found as early as chapter 3. As a result, the boss fights before chapter 3 will be more challenging than usual.

Strategy[edit | edit source]

  • Randomness is a major source of difficulty in this challenge, but it can also be the key factor to completing it, as sometimes coins will grant Soul Hearts, Black Hearts, and Gold Hearts. If a large number of coins are found in one place, it is possible to dramatically increase Isaac's health pool. Gold hearts, in particular, are useful, as they can spawn a large number of coins when depleted, which in turn can be used to grant a large number of other pickups.
    • When Dimes or Nickels are picked up, they will grant 10 or 5 of the pickup they act as respectively, which can lead to incredibly powerful results, such as acquiring 5 Gold Hearts at once.
    • It is possible to use a Swallowed Penny Swallowed Penny along with a Sacrifice Room to generate infinite coins, assuming Gold Hearts are repeatedly spawned in the process. This also will trigger many of the Sacrifice Room's effects, notably transporting Isaac to the Dark Room Dark Room. The challenge can still be completed by defeating The Bloat at the end of the Dark Room stage. This can be done as early as the first floor, allowing most of The Bloat fights to be skipped entirely.
  • Active items with a short charge time, such as 15►Butter Bean Butter Bean, or no charge time, such as 15►Kamikaze! Kamikaze!, can allow for rapid use of random active item effects. While this can be extremely powerful if lucky, this can also trigger effects like 15►Plan C Plan C, killing Isaac.
  • The map always displays Isaac's location incorrectly, randomly selecting a room on the floor for this purpose. As this includes rooms not yet uncovered through traditional methods, it is possible to learn Secret Room locations from this.
    • Although your location in the map isn't correct, the rooms you enter and cleared appear, revealing where you are if you check the map frequently: this becomes unreliable as you progress since, with larger maps, the indicated current location may be far enough away that your actual location won't be visible in the mini-map, though it always is visible with the full map displayed. This makes XL floors more disorienting.
  • Counterfeit Penny Counterfeit Penny has a chance to grant coins upon picking them up, making it easier to accumulate coins.
  • Pills will always show their true effect in their name after being used, and the narrator will always state what the effect is, meaning that setting the narrator to always activate can be helpful.
  • As the Bloat has less health than other bosses chapter 4 onward including Mom and Mom's Heart, the player is less reliant on powerful items and Devil/Angel rooms, although they are welcomed.

Notes[edit | edit source]

  • Using the 15►Book of Revelations Book of Revelations can replace The Bloat with a Harbinger.
  • It is possible to get repeats of the same item during this challenge.
  • When encountering a Double Trouble Boss Fight, The Bloat will not appear.
  • Lucky Pennies will still grant the boost to Luck but will be otherwise randomized as usual.
  • It is possible to go to The Void The Void during this challenge. However, The Bloat will appear instead of Delirium, making the challenge unable to be completed.

Reward[edit | edit source]

  • Maggy Now Holds a Pill!
    Maggy Now Holds a Pill! - Complete Aprils Fool (challenge #32).

Trivia[edit | edit source]

  • This challenge's effect of changing item appearance is similar to the April Fool's 2016 daily challenge.
  • The Bloat's appearance as a replacement for all other bosses is a reference to the exceptional hatred some fans express toward this boss.
    • The user who suggested this challenge was banned from a subreddit (NSFW) whose theme is hatred towards The Bloat. This same user was also forced to use the "I love The Bloat" flair for a week on the Binding of Isaac subreddit. [1]
  • Cross Stonies are exclusive to this challenge and were added in Booster Pack #5.

References[edit | edit source]


MainPageChallenges.png Challenges MainPageChallenges.png

Rebirth
1. Pitch Black 2. High Brow 3. Head Trauma 4. Darkness Falls 5. The Tank 6. Solar System 7. Suicide King
8. Cat Got Your Tongue 9. Demo Man 10. Cursed! 11. Glass Cannon 12. When Life Gives You Lemons 13. Beans! 14. It's in the Cards
15. Slow Roll 16. Computer Savvy 17. Waka Waka 18. The Host 19. The Family Man 20. Purist
Afterbirth
21. XXXXXXXXL 22. SPEED! 23. Blue Bomber 24. PAY TO PLAY 25. Have a Heart 26. I RULE! 27. BRAINS!
28. PRIDE DAY! 29. Onan's Streak 30. The Guardian
Afterbirth †
31. Backasswards 32. Aprils Fool 33. Pokey Mans 34. Ultra Hard 35. Pong
Repentance
36. Scat Man 37. Bloody Mary 38. Baptism by Fire 39. Isaac's Awakening 40. Seeing Double 41. Pica Run 42. Hot Potato
43. Cantripped! 44. Red Redemption 45. DELETE THIS
The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth The Binding of Isaac: Rebirth
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Pickups Pickups Pills Pills Rooms Rooms Seeds Seeds Transformations Transformations Trinkets Trinkets