Clue for my #26 - videogame sequel which added one of the most requested and integral features to the original game - characters who age.
Clue for my #25 - Nintendo's greatest ever re-use of assets.
Clue for my #24 - A clue that Truckosaurus should guess or he'll get very upset.
Clue for my #23 - Valve's greatest ever re-use of assets.