Challenges

Name	Character	Starting items	Disabled rooms	Curse filters	Additional notes	End goal	Unlock condition	Reward
1. Crack the code	Isaac	X-Ray Vision Fragmented Card	-	-	Isaac is stuck in a loop on Basement 1. Entering the 2 Secret Rooms each floor allows the player to decipher a secret sequence of inputs to transform into The Researcher, spawning the trophy to complete the challenge. In the first room of the first floor, while holding both 'use active item' and 'move left', press, in order, 'use consumable' > 'drop items' > 'shoot down' > 'drop items' > 'shoot up'	Discovering the secret	-	(initially) The Researcher
2. Mimic	Cain	Diplopia Diplopia	-	-	Chests of all types are replaced by Mimic Chest.	Mom	-	Mimic
3. RESEARCH PROJECT	The Researcher	-	-	-	In Treasure Rooms, only active items may appear.	Mom's Heart	-	Phantom Thief Signature
4. Keeper in rottenland	Keeper	Wooden Nickel Rusted Key 2x Key Woven Purse	-	-	Special rooms are replaced by Rotten Rooms. Beggars of all types are replaced by Rotten Beggars. Hearts of all types are replaced by Rotten Hearts.	Mother	-	Decay
5. Gl1tch1ng	Isaac	Key Piece 1 Key Piece 2		-	Isaac transforms into a new character upon entering a new room. That character comes with an active or a passive, replacing the previously given item if any. Possible outcomes includes: • Isaac and The D6 • Isaac and The D6 • Magdalene and Yum Heart • Magdalene and Yum Heart • Judas and The Book of Belial • Judas and The Book of Belial • ??? and The Poop • ??? and The Poop • Eve and Razor Blade • Eve and Razor Blade • The Lost and Eternal D6 • The Lost and Eternal D6 • Lilith and Box of Friends • Lilith and Box of Friends • Keeper and Wooden Nickel • Apollyon and Void • Cross and Disassembler • Cross and Disassembler	Mega Satan	-	Botte Secrète