Insane Mode is an unlockable difficulty in Community Remix, a mod for The Binding of Isaac.
This is a gamemode that can be selected on the character menu.
Isaac's heart cap is reduced to 6 hearts.
All heart pickups that would be full hearts are now halved.
Regular rooms and treasure rooms have a chance to be Hexed.
Bomb pickups have a chance to be replaced with a Troll Bomb when touched.
Pacers and Gushers leave red creep on the floor.
Beating Mom's Heart on Insane mode will reward Isaac with an Insane Pin, which will be displayed in the character menu on top of the post-it note for the character it has been beat with. It will also unlock that character's Insane mode unlock.
Beating Mom's Heart as any character will also unlock Insane Pendant and Shrunken Head.
Defeat Mom's Heart 5 times.
The following special synergies and interactions for Insane Mode have been documented.
| Mod | Item | Synergy |
|---|---|---|
| --- | Isaac | Unlocks Akedah. |
| --- | Magdalene |
Unlocks Communion Wine. |
| --- | Cain | Unlocks Lucky Charm. |
| --- | Judas | Unlocks Ceremonial Blade. |
| --- | ??? | Unlocks Bygone. |
| --- | Eve | Unlocks Occam's Razor. |
| --- | Samson |
Unlocks Donkey's Jawbone. |
| --- | Azazel |
Unlocks Goat Heart. |
| --- | Lazarus | Unlocks Misericorde. |
| --- | Eden | Unlocks _NULL. |
| --- | The Lost | Unlocks Sanctified Heart. |
| --- | Lilith |
Unlocks Dark Penny. |
| --- | Keeper | Unlocks Bum Mug. |
| --- | Apollyon | Unlocks Cloud Nine. |
| --- | The Forgotten | Heart cap reduced to 3. Unlocks Hand-Me-Downs. |
| --- | Bethany |
Unlocks Beth's Virtue. |
| --- | Jacob and Esau | Unlocks Twin Candles. |
| Community Remix | Adam | Unlocks Ophiuchus. |
| Community Remix | Abel | Unlocks Gacha Bombs. |
* Note that not all possible synergies and interactions are listed here.