| Obstacles |
| Rocks | Poops | Fire Places | Cobwebs | TNT | Spikes | Blocks |
- Blocks movement.
- Can be destroyed by tears, explosions, stomping effects (such as Thunder Thighs), certain entities that deal damage (Like the knife from the Yes Mother? transformation) or certain effects that grant invulnerability (such as The Gamekid and My Little Unicorn).
- Explodes when destroyed.
- Small chance to drop a Match Stick or a Burnt Penny when destroyed.
Movable TNT[]
- Can be pushed around by Isaac and enemies.
- Can be destroyed by tears, explosions, or stompy effects.
- Unlike normal TNT, it cannot be destroyed by invulnerability effects.
- Explodes when destroyed.
- Occasionally replaces normal TNT.
- Can be spawned with Mine Crafter.
- Moveable TNT spawned by Mine Crafter takes a unique cubic appearance.
- Will explode when pushed into a Fire Place, a Spiked Rock, or a Red Poop.


