Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
- For other uses, see Mushroom (disambiguation).
Turns Isaac into a walking mushroom and gives him a heart container.
Isaac must collect at least three of the following to transform.
- Fun Guys is probably a play on words of Fungi.