Binding of Isaac: Rebirth Wiki
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Binding of Isaac: Rebirth Wiki

20/20 is a passive item.

Effect[]

  • Isaac fires two tears at once, one from each eye.
  • Added in Repentance 0.75x damage multiplier.

Notes[]

Synergies[]

  • Blood Clot Blood Clot / Chemical Peel Chemical Peel: Every second row of tears has increased damage.
  • Added in Afterbirth Brimstone Brimstone: Two Brimstone shots are fired, without an increase in charge time.
  • Added in Afterbirth / Removed in RepentanceDiplopia Diplopia: Every additional 20/20 adds 2 more tears in a tight pattern.
    • Added in Repentance Adds one more tear without further lowering damage.
  • Added in Afterbirth Doctor's Remote Doctor's Remote / Epic Fetus Epic Fetus: Replaces the single missile strike with a barrage of two consecutive missiles.
  • Added in Afterbirth / Removed in Repentance The Inner Eye The Inner Eye / Mutant Spider Mutant Spider: Adds two/three tears to each shot, with no extra fire rate decrease.
    • Added in Repentance Adds one tear to each shot, with no extra fire rate decrease.
  • Added in Afterbirth / Removed in Repentance Keeper Keeper: Fires 5 tears with no fire rate decrease.
    • Added in Repentance Fires 4 tears with no fire rate decrease.
  • The Ludovico Technique The Ludovico Technique: The Ludovico tear gains one smaller tear orbiting the main one, each dealing the same amount of damage.
  • Added in Afterbirth Monstro's Lung Monstro's Lung: Adds two tears to the tear barrage, for a total of 16.
  • Added in Afterbirth †Sprinkler Sprinkler: Fires two tears at once that almost completely overlap each other.
  • Tainted Keeper Tainted Keeper: Fires 5 tears with no fire rate decrease.
  • Added in AfterbirthTechnology Technology: Fires two technology shots simultaneously.
  • Added in AfterbirthTractor Beam Tractor Beam: Both tears are fired along the beam. Only one tear can be seen, as they overlap each other.
  • Added in AfterbirthThe Wiz The Wiz: Two tears are fired in each direction.

Interactions[]

In-game Footage[]

Trivia[]

  • 20/20 is an idiom that refers to someone with near-perfect vision.
  • Despite only having one eye, Cain shoots two tears at once with this item.
  • Added in Repentance This item is used in Seeing Double (challenge #40).

Seeds[]

PC Added in Afterbirth 77H1 T20K (Treasure Room adjacent to spawn)

PC STDX QSC8 (Treasure Room adjacent to spawn)

PC NYJK 3QDN (Treasure Room adjacent to spawn)

PC AFJE 9RXX (Treasure Room adjacent to spawn)

PC Y6FY DZH6 (Treasure Room next to spawn)

PS4 GD7V 66ZX (Treasure Room adjacent to spawn)

Vita 92SM AXWG (Treasure Room next to spawn)

3DS H3Y3 X22S (First floor Treasure Room)

XboxOne 228H QN22 (First floor Treasure Room above spawn)

Switch GBDPZXGJ (Eden starts with it)


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