Slot machine

The Slot Machine is similar to the Beggar in that the results are random. Using the Tarot Card "X Wheel of Fortune" will spawn a Slot Machine in the current room.

Walking up to the machine and bumping it will cost you one Penny, and roll the slots. You have no control over the results. It is possible to find Bombs (regular, troll, or 1+1 free), Hearts (half heart, full heart, soul heart or eternal heart, [Rebirth: Evil Heart]), Keys (normal or golden), Coins (penny, nickel, or dime), Pills (any color), Flies (Pretty Fly or black enemy fly), and A Dollar. Coins, hearts and bombs can all appear two at a time. To get a pickup/fly, the slot's three symbols must match (e.g., three hearts).

The symbols include Pills, bombs, hearts, keys, coins, flies, and dollar signs. Getting 3 flies will either give Isaac a Pretty Fly orbital or an Attack Fly being spawned from the machine. Getting 3 dollar signs (the symbol can't show up in other rolls, but the reels show it before the machine is destroyed) will make the machine self-destruct and spawn the A Dollar item, a collectible that sets your money to the maximum count of 99 cents.

If the Slot Machine is caught in an explosion of any kind, it will be destroyed, dropping several pick-ups such as bombs, coins, keys, pills, hearts, or even gold chests.


The probabilities in the table are the default. If you have Lucky Foot, every outcome except for nothing or the machine exploding becomes 1.4 times more common. If you are Eve or have Mom's Pearl or Mitre, it is more likely that your hearts will be soul hearts, as usual.

Event Chance of occurring Notes
Nothing 55.53% 833/1500
Coin(s) one coin 10.37% 14/135
penny 9.75% 1463/15000
nickel 0.513% 77/15000
dime 0.104% 7/6750
two coins 5.19% 7/135 Each individual coin follows the usual distribution, as above. So, two nickel or two dime are possible as well.
Heart total 9.33% 7/75
half 4.12% 1029/25000
whole 4.12% 1029/25000
soul 0.933% 7/750
eternal 0.168% 21/12500
Bomb total 4.67% 7/150
regular 3.53% 441/12500
1 + 1 Free 0.588% 147/25000
troll 0.467% 7/1500
super troll 0.0840% 21/25000
Pill 4.67% 7/150 The type of pill is randomly chosen from among the six occurring in the current game.
Key total 3.11% 7/225
regular 3.05% 343/11250
golden 0.0622% 7/11250
Black fly 3.11% 7/225
Machine explodes 2.00% 1/50 A few items drop. This shoves you away from the machine and causes damage if you are standing very close to it.
Pretty Fly 1.56% 7/450 Does nothing if you already have 3 orbitals (Pretty Fly, Halo Of Flies, Cube of Meat, Ball of Bandages or Guardian Angel).
Dollar 0.467% 7/1500 An item which sets your money to 99¢. The machine explodes. Cannot be produced by the Portable Slot.


  • The delay between when the player gives the money to the slot machine and when it explodes to give A Dollar is shorter then when it does not explode (between when the player gives the money and when he recieves money, bomb, fly, key, hearts or nothing).


  • When the machine explodes to produce the Dollar item, the Sad Onion can be briefly seen in its place for a few frames.

Start a Discussion Discussions about Slot Machine

  • Wording unclear.

    • "The probabilities in the table are the default. If you have Lucky Foot, every outcome except for nothing or the machine exploding beco...
  • slot machine converting into a fortune telling machine

    2 messages
    • well the other day i was playing and suddenly i was playing on a slot machine i saw on the map a coin in the room at my right then go for it ...
    • You probably left right after the slot machine payd out with a black fly. Black flies are currently the only object that resets a room after...

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