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Game pageThe Binding of Isaac: Rebirth Features and Reception
Who It Suits
Found items can change how you attack in this action game. Each run also asks whether to spend health on a deal or save keys and bombs for exploration.
The draw is adapting to an unexpected attack, reading the map for hidden rooms, and turning limited supplies into another chance at a reward.
What makes it fun
Tears become beams and blades
Brimstone replaces tears with a charged beam, while Mom's Knife lets you throw a blade. Other items can change those attacks further, making you rethink your charge timing and range.
Spend now or hold out
Use a bomb to search for a Secret Room, or save it for a fight. In a Devil Room, you can pay health for an item or pass on the deal and keep open the possibility of an Angel Room on a later floor.
Completion Marks give you a goal
Completing a character's goal adds a Completion Mark to the note on the character selection screen. You can pursue its unlocks while choosing which character and route to tackle next.
Game details
As of Oct 29, 2026- Steam Deck
- Verified
- Release date
- Nov 5, 2014
- Developer
- Nicalis, Inc., Edmund McMillen
- Languages
- English (Full audio) ／ 1 languages total
A typical run
Choose a character and enter a randomly generated floor.
Move through rooms and defeat enemies with tears. Pick up health, keys, bombs, and coins along the way.
Use the items you find while deciding whether to save coins for a shop and bombs for a hidden room.
After beating the boss, check whether a Devil Room or another opportunity has opened before heading down.
A run ends when you die or defeat its target boss. Unlocks carry into later runs.
Core systems
Active Items and Passive Items
Active Items must be triggered, and taking another usually means swapping out the one you hold. Passive Items keep working after pickup, changing your abilities or attacks.
Keep the current Active Item or swap it for something that may help on later floors. Passive Items are not always straightforward damage upgrades; combinations can alter range, fire rate, or trajectory.
Devil Room and Angel Room
These special rooms can appear after a boss fight. A Devil Room offers items for health. Passing on Devil Deals leaves a chance to reach Angel Rooms on later floors.
Spend health on an upgrade now or decline the deal and wait for another reward path. Avoiding Red Heart damage also affects the chance that a room opens.
Secret Room and Super Secret Room
These rooms normally stay off the map and are entered by bombing a wall. Nearby room connections hint at Secret Rooms; dead ends help narrow down Super Secret Rooms.
Once you have a likely location, decide whether to test it with a bomb or save that bomb for combat. A wrong guess costs the bomb.
Completion Marks
Finishing a character-specific objective adds a mark to the note on the character-selection screen. Objectives can also unlock content.
Stay with a familiar character or pursue unlocks with a different starting kit. You can try a demanding route early or return after expanding the item pool.
Challenges
Challenges are separate runs with preset starting conditions, restrictions, and goals. Finishing one unlocks content for regular runs.
Work around an awkward setup or make use of the effects you were given. You can also choose between continuing regular runs and spending time on a Challenge.
Donation Machine
Coins deposited in this shop machine stay counted across runs, leading to shop upgrades and unlocks. Bombing the machine can yield coins.
Buy something for the current run or deposit the coins for later. If the run is struggling, breaking into those savings may help you recover.
What sets it apart
Items can raise stats or replace tears with lasers or knives. Further effects can change the replacement attack again.
Health can pay for a Devil Deal, while coins can go to a shop. Keys and bombs can be held for chests and hidden rooms. What you find on a floor can change where each resource goes.
The game does not build progress around permanent strength. Unlocks add possible finds, and knowing the systems gives you different options in later runs.
Learning curve and difficulty
You can choose Normal mode or Hard mode. Hard mode changes room generation, enemies, and access to healing.
Early on, you learn enemy movement and how to land tears.
Later, protecting Red Hearts can help preserve a Devil Room chance. Reading the map for Secret Rooms and choosing when to spend keys or bombs start to matter too.
Completion Marks and Challenges call for knowing each character's starting traits. A poor item draw also asks how far you can recover with what you have.
Builds and playstyles
Attack Replacement
Brimstone or Mom's Knife replaces tears with another attack. Other item effects do not combine with them in a uniform way, so you have to adjust to charge time and effective range.
Deal Preservation
Avoid Red Heart damage to keep the chance of a Devil Room or Angel Room open. Soul Hearts and positioning can help protect the next reward opportunity.
Resource Cycling
A key might open a chest; a bomb might reveal a hidden room. Coins can be spent at a shop or put into the Donation Machine. What one stop yields may fund the next part of the floor.
What longtime players say
Even after long stretches of play, experienced players describe finding unfamiliar item interactions and room layouts.
Character-specific Completion Marks and unlocks give long-term players a reason to choose the next character and route.
With better movement, item knowledge, and use of limited supplies, a poor start can become a run worth saving.
What players like
Changing floors and item draws make the next combination worth trying, even after repeated runs.
Stacked item effects can change an attack and even crowd the screen enough to obscure the character. That escalation is part of the appeal.
A loss can be infuriating, yet the possibility of a different item draw still makes another run tempting.
Learning enemy movement and item effects, then changing when to spend keys or bombs, gives players more ways through hard situations.
For players pursuing character objectives, Completion Marks and unlocks point toward the next route to tackle.
The religious subject matter and bodily imagery remain visible in the tear-based combat and item designs, leaving a strong impression.
Common complaints
An early run with poor items can lead to more damage and fewer Devil Room chances. In difficult stretches, a small execution error may linger long enough to feel unfair.
In the base game, an item's effect may be unclear when you pick it up, and unlock requirements are hard to follow from the screen alone. That pushes players toward outside references or description mods.
Pursuing every character's Completion Marks and achievements can make the next objective feel like a chore.
Who it’s for
It suits players who enjoy adjusting charge time and range whenever a found item changes their attack.
Map readers who like guessing Secret Room locations and deciding whether a bomb is worth the attempt will find plenty to do. Spending health on a deal adds another choice.
Completion Marks and Challenges suit players who want to try different characters, starting kits, and routes.
Who might not enjoy it
Players who want to learn base-game item effects and unlock requirements entirely from in-game explanations may dislike having to look them up.
A poor item draw can make a run difficult, and unlocks can mean revisiting similar objectives. Either may wear on players who dislike those loops.
FAQ
- Which languages are officially supported?
- The Steam store lists English as the only supported language. Japanese, Simplified Chinese, and Korean are not included as official options.
- Is co-op available?
- The base game supports local shared-screen co-op and Steam Remote Play Together. In the base game, a joining player receives shared health and controls a baby.
- Can the difficulty be adjusted?
- You can choose Normal mode or Hard mode. Hard mode changes room generation, enemies, and access to healing, and records the corresponding Completion Marks.
- Is downloadable content required?
- The base game can be played on its own. Expansions add characters, items, routes, and modes, so something mentioned in a review may not be present in the base game.
These impressions are based on 100 Steam reviews sorted by “Most Helpful.” They do not represent the views of all buyers.
Image: The Binding of Isaac: Rebirth on Steam