Blocks

Obstacles

Rocks

Poops

Fire Places

Cobwebs

TNT

Spikes

Blocks

Buttons

Dirt Patches

Teleporters

Metal Blocks

• Blocks movement and projectiles.
• An explosion's blast radius will not extend past it.
• Cannot be destroyed or removed.
• Can only be destroyed by walking over while Mega Mush is active.
• Can be re-rolled by the D12 into a destructible obstacle.
• Can only be moved over via flying or jumping.

Key Blocks

• Acts like Metal Blocks.
• Requires a key to unlock.
• Cannot be flown over.
• Small chance to drop a random pickup when unlocked.
• Can be destroyed with a bomb explosion if Broken Padlock is held.
• Can be destroyed without consuming a key by walking over while Mega Mush is active.

Pillars

• Blocks movement and projectiles like a regular block.
• Cannot be flown over.
• Can hide pickups, buttons with beneficial effects (such as opening paths), or enemies behind them.

The Binding of Isaac: Rebirth
Achievements Challenges Completion Marks Items Trinkets Characters Chapters Rooms Transformations Attributes Bosses Monsters Pickups Modes Curses Objects Seeds Effects Endings Collection • Item Pools • Version History • Modding • Music