VVVVVV - Dimension Open is a custom level for VVVVVV that was released in 2013. In it, Viridian finds himself in a new dimension, and meets some new friends as well as old ones along the way.
Info Teddy, however, abuses a glitch unique to custom levels in this game in order to rescue the final crewmate in record time. We recommend reading the author's comments for more details.