20/20 is a passive item.

Effect

  • Isaac fires two tears at once, one from each eye.
  • Dlc r indicator.png 0.75x damage multiplier.

Notes

Synergies

  • Collectible Blood Clot icon.png Blood Clot / Collectible Chemical Peel icon.png Chemical Peel: Every second row of tears has increased damage.
  • Dlc a indicator.png Collectible Brimstone icon.png Brimstone: Two Brimstone shots are fired, without an increase in charge time.
  • Dlc anr indicator.png Collectible Diplopia icon.png Diplopia: Every additional 20/20 adds 2 more tears in a tight pattern.
    • Dlc r indicator.png Adds one more tear without further lowering damage.
  • Dlc a indicator.png Collectible Doctor's Remote icon.png Doctor's Remote / Collectible Epic Fetus icon.png Epic Fetus: Replaces the single missile strike with a barrage of two consecutive missiles.
  • Dlc anr indicator.png Collectible The Inner Eye icon.png The Inner Eye / Collectible Mutant Spider icon.png Mutant Spider: Adds two/three tears to each shot, with no extra fire rate decrease.
    • Dlc r indicator.png Adds one tear to each shot, with no extra fire rate decrease.
  • Dlc anr indicator.png Character Keeper icon.png Keeper: Fires 5 tears with no fire rate decrease.
    • Dlc r indicator.png Fires 4 tears with no fire rate decrease.
  • Collectible The Ludovico Technique icon.png The Ludovico Technique: The Ludovico tear gains one smaller tear orbiting the main one, each dealing the same amount of damage.
  • Dlc a indicator.png Collectible Monstro's Lung icon.png Monstro's Lung: Adds two tears to the tear barrage, for a total of 16.
  • Dlc a† indicator.png Collectible Sprinkler icon.png Sprinkler: Fires two tears at once that almost completely overlap each other.
  • Character Tainted Keeper icon.png Tainted Keeper: Fires 5 tears with no fire rate decrease.
  • Dlc a indicator.png Collectible Technology icon.png Technology: Fires two technology shots simultaneously.
  • Dlc a indicator.png Collectible Tractor Beam icon.png Tractor Beam: Both tears are fired along the beam. Only one tear can be seen, as they overlap each other.
  • Dlc a indicator.png Collectible The Wiz icon.png 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.
  • Dlc r indicator.png This item is used in Seeing Double (challenge #40).

Seeds

PC Dlc a indicator.png 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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