11. Calvin's Favourite Cereal
Bethesda
Game: Fallout 3
Reference: Calvin's favourite cereal 'Chocolate Frosted Sugar Bombs' from Calvin and Hobbes (as well as the bombs that caused the fallout in the first place).
Where it's found: Scatted around the Wasteland as a lootable food.
10. King Arthur's Knights Of The Steel Table
Interplay
Game: Fallout 2
Reference: The famous line from Monty Python and the Holy Grail.
Where it's found: A random encounter with the Brotherhood of Steel.
9. Damn You All To Hell!
Bethesda
Game: Fallout: New Vegas
Reference: The famous revelatory scene of Planet of the Apes.
Where it's found: If the player decides to launch Ulysses' missiles at the NCR and Caesar's Legion, the ending slideshow will display the Mojave Outpost monument buried under sand.