The I-tunnel is a tunnel linked with the N-tunnel. It is 7 levels long. Branching out are the "I hope I don't run out of letters" and H-tunnels.

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.