Machines

Machines are objects that Isaac can interact with to gain a variety of rewards.

Slot Machine


Walking up to the Slot Machine and bumping into it will consume one penny and spin the slots. The machine then has a chance to spawn one of its possible rewards. Slot Machines appear naturally in Arcades, Secret Rooms and other room layouts, and can be summoned using the tarot card.

If the Slot Machine is caught in an explosion of any kind, it will be destroyed, yielding various rewards (see below). The Slot Machine also has a 2% chance to self-destruct after inserting a coin, in which case it drops several random pickups or and becomes unusable. The is unlocked when 30 Slot Machines are destroyed (via explosion or overloading) by the player. When blown up in the Dark Room or Chest, it will drop a collectible from the Treasure Room pool, much like normal and golden Chests.

On hard mode, the chances of winning at the Slot Machine are halved, and raises the odds by a multiplier of 1.4x.



Possible Rewards from Destroying
When you destroy the machine, there is a:
 * 10% chance to drop a random pill
 * 10% chance to drop a random trinket
 * 1% chance to drop a Chest
 * 1% chance to drop a Locked Chest
 * 78% chance to drop 2-3 random pickup groupings; for each grouping, there is a
 * 35% chance to drop 1-3 random coin
 * 20% chance to drop a random heart
 * if Daemon's Tail is held, there is an 80% chance to prevent this grouping from being chosen; if prevented, another pickup grouping will be chosen instead.
 * if chosen, there is a 50% chance that this counts as 2 pickup groupings.
 * 15% chance to drop a random key
 * 30% chance to drop a random bomb

There is a 33% chance of an extra pickup grouping spawning if you are holding Lucky Toe.

Furthermore, if the 78% chance to drop the pickup groupings is selected, there is a 33% chance for the following conditions to occur:
 * if Ace of Spades is held, there is a 50% chance to spawn an extra random card.
 * if Safety Cap is held, there is a 50% chance to spawn an extra random pill.
 * if Match Stick is held, there is a 50% chance to spawn an extra random bomb.
 * if Child's Heart is held, there is a 50% chance to spawn an extra random heart.
 * if Rusted Key is held, there is a 50% chance to spawn an extra random key.

Note that only 1 additional item can spawn from this 33% chance. In the case of having multiple matching trinkets, the conditions are checked in order.

Fortune Telling Machine


The Fortune Telling Machine is similar to the Slot Machine. Bumping into the machine costs one penny, which will either cause a random fortune or special seed to be displayed on-screen or cause the machine to spawn one of its possible drops. Fortune Telling Machines appear naturally in Arcades, Secret Rooms, Super Secret Rooms and other room layouts, and can be summoned using the tarot card. The Fortune Telling Machine also has a chance to self-destruct after inserting a coin, in which case it drops several random pickups or. Like the Slot Machine, Fortune Telling Machines will also drop a random collectible item when destroyed in the Dark Room or Chest.

When you insert a coin into the machine, there is a
 * 65% chance of a fortune or seed text
 * 35% chance of a reward; if it is a reward, there is a
 * 30.56% chance to drop a Soul Heart
 * 30.56% chance to drop a random trinket
 * 30.56% chance to drop a random card or rune
 * 5% chance to self-destruct into random pickups
 * 3.32% chance to self-destruct into a

Blood Donation Machine


Bumping into the Blood Donation Machine will damage Isaac. The machine will then pay with 1-3 of any type of coin (only 1 in hard mode) or rarely, Child's Heart. Every donation has a chance of causing the Blood Donation Machine to explode, giving either a, , or. Alternatively, it can be destroyed with a bomb, which will cause it to drop several pickups.

Restock Machine


The Restock Machine is an object added in The Binding of Isaac: Afterbirth appearing in Greed Mode, fairly commonly outside Greed Mode in the Shop and rarely in the Black Market, Treasure Room, I AM ERROR, Crawl Space, Secret Room and Arcade. Restock Machines can be activated by donating pennies or hitting them with an explosion.

In shops and black markets, each activation will cause the following effects: The chance for the store to be restocked increases as more coins are donated.
 * Re-rolls every item and pickup for sale.
 * Refills all empty shop slots.

In all other rooms, the Restock Machine will re-roll any items present after donating enough pennies or hitting it with an explosion. It will not generate new items to replace the taken ones. It will reroll all items in the room even if they were not originally present (e.g. items from beggars).

Restock Machines can break after the fourth guaranteed reroll with a 50% chance for every subsequent reroll that should've been successful. This will cause them to drop a small amount of money.


 * Bombing a restock machine grants a reroll and breaks it immediately afterwards.

Mom's Dressing Table


Mom's Dressing Table is an object added in Booster Pack of The Binding of Isaac: Afterbirth †. If Isaac has more than 8 items, it has a 50% chance of appearing in the starting room of a floor  in a Bedroom.

If Isaac bumps into Mom's Dressing Table, his appearance will be randomly changed so that only a few of his items are displayed.

Hitting Mom's Dressing Table with an explosive will cause it to break and drop 1-4 pills. There is a 1% chance to spawn one of the following items instead:, , , , , , , , or. Items that have already been generated and/or collected can be spawned again in this manner.

Mom's Dressing Table is based on this Steam Workshop mod by Sinsthar.

Crane Game


The Crane Game is an object added in The Binding of Isaac: Repentance. After unlocking it, the Crane Game can appear in Arcades and rarely in normal rooms. The machine contains one visible item; after the machine pays out, another one will be displayed. A grapple is above the items. The machine pays out prizes from the Crane Game (Item Pool).

Bumping into the machine pays 5 cents and triggers the grapple, which will attempt to grab the item in the center. If it succeeds, the item will be taken out of the machine and appear on a pedestal.

There is a 25% chance for the machine to payout, so the probability of the machine paying out after at most $$N$$ tries is $$1-(3/4)^N$$. The machine explodes after giving 3 prizes.

Alternatively, it can be destroyed with a bomb, which will cause it to drop several pickups.

It's possible for the same item to be obtained multiple times.

Leaving the room while the animation is still playing after winning will cause the reward to not spawn.

Unlocked by:.

Confessional


The Confessional is an object added in The Binding of Isaac: Repentance. It damages Isaac with the same rules as the Blood Donation Machine in exchange for various rewards. It can be found in Super Secret Rooms or Angel Rooms, but can rarely be found in normal rooms.

The Confessional has a 30% chance on normal and 25% chance on hard to payout. This is increased by 1.5× if Isaac has.

The following are the rewards and are evaluated in the order they are listed.


 * 5% chance to explode.
 * 3.3% chance to explode giving an Angel Room item.
 * If a Devil Deal has been taken this run, it will instead give.
 * Removes a Broken Heart, if Isaac has one.
 * 50% chance to receive a Soul Heart. Reduced to 10% if Isaac has Daemon's tail.
 * 10% chance to receive an Eternal Heart. Reduced to 2% if Isaac has Daemon's tail.
 * "You Feel Blessed!": Removes an active curse. For the current floor, increases Angel Room chance by 10% and allows Isaac to find an Angel Room even if Isaac already took a devil deal. This effect stacks additively, going up to a 100% angel room chance at 10 activations.

Alternatively, it can be destroyed with a bomb, which will cause it to drop a large amount of pickups as well as a chance to drop trinkets. Despite its appearance, destroying a Confessional does not affect Angel or Devil Room chance.

Unlocked by:.

Donation Machine


See Donation Machine.

Greed Donation Machine


See Greed Donation Machine.

Trivia

 * The message "Your princess is in another castle" from the Fortune Telling Machine is a reference to a famous quote from the 1985 NES game Super Mario Bros.
 * The message "I Feel Asleep!!!" from the Fortune Telling Machine is a reference to a famous quote from the 1988 NES game Metal Gear.
 * The message "Look to La Luna" from the Fortune Telling Machine is a reference to a hint on how to unlock the hidden character Reptile on the 1992 game Mortal Kombat.
 * The message "Come to a fork in the road - Take It" is a reference to a famous quote from baseball hall-of-famer Yogi Berra.
 * Despite the superstitious tradition that breaking a mirror gives seven years of bad luck, destroying Mom's Dressing Table does not affect the Luck stat.
 * Restock Boxes don't naturally spawn in Shops anymore. Update v4.0.1 says that it "Added Restock Machines back to Shops, with a 25% chance to replace the Donation Machine", but in game they still never appear in shops.
 * The Crane Game is the only way to obtain outside of Greed Mode without using items that would dip into other item pools like.