The Binding of Isaac

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The Binding of Isaac
The Binding of Isaac Coverart.jpg
Release dates
September 28, 2011
September 28, 2011
November 1, 2011
The Binding of Isaac at Steam Charts
The Binding of Isaac at SteamDB
 The Binding of Isaac at Wikipedia
The Binding of Isaac
The Binding of Isaac 2011
Wrath of the Lamb
The Binding of Isaac: Rebirth 2014

This page is for the original 2011 game. For the 2014 remake, see The Binding of Isaac: Rebirth.

Key points

Disadvantage This game is programmed in Flash and does not work on low spec GPUs such as those found on netbooks.

General information

More information Community Wiki
More information Steam Community Discussions
More information Steam Users' Forums
More information The Binding of Isaac Soundtrack - composed by Danny Baranowsky.


Source DRM Notes Keys
Retail Availability Table Icons - Steam.svg
GamersGate DRM-free
Green Man Gaming Playfire Client
Humble Store DRM-free Availability Table Icons - Steam.svg
Steam Availability Table Icons - Steam.svg

Downloadable content (DLC) and expansions

Name Notes
Wrath of the Lamb WindowsOS XLinux

Game data[edit]

Configuration file(s) location[edit]

Windows <path-to-game>\serial.txt
OS X <path-to-game>/serial.txt

Save game data location[edit]


Save game cloud syncing[edit]

System Native Notes
Steam Cloud Native Save game carries over cross-platform.

As of version 1.45, using Steam's Cloud storage will result in 94/97 secrets being unlocked even if you had completed every unlock, including Platinum God.

GameSave Manager Native

Video settings[edit]

In-game options menu.
Graphics option Option WSGF Notes
Widescreen resolution Impossible False icon.svg
Multi-monitor Impossible False icon.svg
Ultra-widescreen Impossible WSGF Incomplete.svg
4K Ultra HD Impossible WSGF Incomplete.svg
Field of view (FOV) Not applicable
Windowed Native
Borderless fullscreen windowed Hackable Possible using Borderless Gaming.
Anisotropic filtering (AF) Not applicable
Anti-aliasing (AA) Native
Vertical sync (Vsync) Impossible
High frame rate Unknown

Input settings[edit]

In-game control settings.
Keyboard and mouse Native Notes
Remapping Impossible
Mouse acceleration Impossible
Mouse input in menus Native
Mouse Y-axis inversion Impossible
Controller support Impossible

Audio settings[edit]

Audio options Native Notes
Separate volume controls Impossible
Surround sound Not applicable
Subtitles Impossible
Closed captions Impossible
Mute on focus lost Impossible


Language UI Audio CC Notes
English Native Native Impossible

Issues unresolved[edit]

Toggle fullscreen key doesn't work in-game[edit]

On the options menu, it states F is the key you use to toggle fullscreen/windowed mode. However, this only works on the title menu or in the pause menu. In-game, pressing F does absolutely nothing unless the game is paused. Currently, there is no fix for this.

Issues fixed[edit]

Steam achievements not unlocking[edit]

Disadvantage On certain systems Steam achievements may fail to unlock and get registered.

A fan made fix has been developed to solve this issue on Windows.

Steam achievements on OS X[edit]

For the achievements gained on OS X to be unlocked in Steam, one has to copy and replace the so.sol files as outlined here. The file is located in:

~/Library/Preferences/Macromedia/Flash Player/#SharedObjects/''<Random String>''/localhost/

After extracting it, follow the instructions given in the aforementioned link. Finally launch the game and see the achievements unlock.

Alt+Tab Crashing[edit]

  • Does not appear to be a fix for this yet. Also happens when pressing Windows key.

Solution: press F, it toggles fullscreen.

Steam Community does not work in full screen[edit]

  • If you are playing the game in full screen, you will be unable to access Steam Community's Shift Tab overlay.

OS X Retina Display Slowdown on Mavericks+[edit]

Information Scaling on Retina displays appears to cause a slowdown between loading screens and during complex scenes.

Fix Set Open in Low Resolution[1]

  1. Go to the installation folder.
  2. Right-click on the app.
  3. Select "Get Info".
  4. Check the box for "Open in Low Resolution".

Other information[edit]


Technical specs Supported Notes
Direct3D 9
OpenGL 2.0 OS X and Linux only.
64-bit executable Native OS X and Linux only.

System requirements[edit]

Operating system (OS) XP, Vista, 7
Processor (CPU) 2.5 GHz
System memory (RAM) 1 GB
Hard disk drive (HDD) 50 MB
Video card (GPU) DirectX 9.0c compatible
Operating system (OS) Leopard 10.5.8, Snow Leopard 10.6.3, or later
Processor (CPU) Intel 2.5 GHz
System memory (RAM) 1 GB
Hard disk drive (HDD) 50 MB
Operating system (OS) Linux
Processor (CPU) 2.5 GHz
System memory (RAM) 1 GB
Hard disk drive (HDD) 50 MB


  1. Slow framrate since upgrading to Mavericks *SOLVED* :: The Binding of Isaac General Discussions