Left 4 Dead 2/Unused Levels

Unused Levels
The levels in Left 4 Dead 2 have quite a few secrets in them intrepid explorers have found. This page documents them!

c5m1_waterfront_sndscape
WuLy4ynn6kg This unused level combined the Waterfront and Park levels of The Parish campaign into one level along with a number of differences.

tutorial_standards
KyUYBrULudA An example level created as part of a tutorial for the Left 4 Dead editing tools. Odds are its inclusion here was a mistake.

Unused Level Features
There are some parts of levels that can only be seen by noclipping around.

Tunnel in a Tunnel
RFoaewSYKSU In the Tunnel of Love, there is another path that is blocked off a by a gate, but is complete up to a point.

Unused Room
Nm9Bbbbjt1M During chapter The Barns of Dark Carnival, there is a room that can only be accessed by noclipping, since there is no way of entering it normally. The room may have been removed late in development, due to the ease of entering it and since items like pills can spawn inside.