Can My Brother Grow By Just Staying Horizontal? was a project by Greg, since Rodrick used to stay lying on the couch for long times he thought of seeing if he can grow by staying in horizontal position. His project was cancelled after Rodrick needed to start a new one due to growing normally within a month.
- Diary of a Wimpy Kid Online (Mentioned only)
- Diary of a Wimpy Kid: Rodrick Rules (Unnamed appearance)