Seeing Double

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Seeing   Double
Character Jacob appearance.png
Full red heartFull red heartFull red heartFull red heartFull soul heart
Table dividing line 1.png
Challenge Number
40
Starting Items
Jacob: 15►20/20 20/20
Esau: 15►20/20 20/20
15►X-Ray Vision X-Ray Vision
Available Rooms
Item Pool Treasure Room.png: no          Item Pool Shop.png: yes
Goal
Boss Mom's Heart.png
Unlock Method

Seeing Double Defeat Mother

Added in Repentance
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Seeing Double is challenge #40. The goal is to defeat Mom's Heart. This challenge is unlocked by defeating Mother.

Strategy[edit | edit source]

The challenge is played as Jacob and Esau, both starting with 15►20/20 20/20, and Esau additionally with 15►X-Ray Vision X-Ray Vision. Otherwise a very standard run, the challenge comes from every single enemy and boss placed naturally in rooms (as opposed to being spawned later) being doubled.

Since libraries are able to spawn in this challenge, resetting the first floor until you find one can make this challenge easier.

Notes[edit | edit source]

  • Stoneys are not doubled.
  • Enemies in Challenge Rooms are not doubled, as they are not spawned when Isaac initially enters the room.

Unlockable achievements[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