I liked the Deponia series, which has a similar look and comedy tone to Monkey Island 3. However, I wouldn't recommend it for a 7yo. The puzzles are a bit toug

I liked the Deponia series, which has a similar look and comedy tone to Monkey Island 3. However, I wouldn't recommend it for a 7yo. The puzzles are a bit tough, and the protagonist is a complete asshole (for comic effect, of course).