Before diving into version numbers, let’s set the stage. The Binding of Isaac: Repentance is the definitive expansion of The Binding of Isaac: Afterbirth+. Developed by Nicalis and designed by Edmund McMillen, Repentance adds two full alt-path chapters (Downpour and Mines), a new final boss (The Beast), Tainted versions of every character (34 total playable variants), and hundreds of new items, enemies, and secrets.
Repentance doubles the game’s file size and effectively changes core mechanics: room clear rewards, shop density, Devil vs. Angel room balance, and the infamous "soul heart meta" were all restructured to encourage risk-taking. In short: Repentance makes the game harder, fairer, and deeper.
The Epic version typically forces the latest patch. To revert to 1.7.9b on Epic, you cannot use a beta branch. Instead, you must use a third-party tool called "Legendary" (open-source Epic launcher) which allows version pinning. This is for advanced users only. the binding of isaac repentance 1.7.9b download
Warning: Do not download pre-packaged 1.7.9b binaries from random forums like OceanofGames, IGG-Games, or PirateBay. These often contain keyloggers or corrupt the game’s Lua scripts, causing runs to desync.
| If you want... | Should you download 1.7.9b? | |---------------------------------------------------------|-----------------------------| | The absolute latest items and co-op babies | ❌ No (get 1.7.9d+) | | A stable speedrunning environment with no random crashes | ✅ Yes | | Full mod compatibility, especially EID and Good Trip | ✅ Yes | | Online Steam Cloud saves that sync across devices | ❌ No (betas may desync) | | To play the "Fiend Folio" or "Revelations" total conversions | ❌ No (those require later patches) | Before diving into version numbers, let’s set the stage
Cause: Downgrading from 1.7.9c or higher can break new save data (like Tainted Cain recipe changes).
Fix: Before downgrading, back up your rep_persistentgamedata.dat file. After downgrading, start a new save slot for 1.7.9b. DO NOT attempt to load a save created on a newer patch.
Why is modding community so attached to 1.7.9b? Because the next patches broke "Mod Compatibility Hooks" temporarily. Here are the top 5 mods you must install for the definitive 1.7.9b experience. To install: Subscribe on Steam Workshop → In-game,
To install: Subscribe on Steam Workshop → In-game, enable mods → Sort by "Last Updated" and check comments for "1.7.9b confirmed."