Dying Light has more Easter Eggs than just the Destiny loot cave. There's Plants vs Zombies, Super Mario Bros., and even one from Techland's own Dead Island.
Many of the entries are gaming related, but some pertain to movies.
Here's the list of known Easter Eggs, so far. Surely, there are more to be found.
- Right Hand of Glova - Dead Island (Left Hand of Glova)
- Super Mario - Play the first level of the game
- Plants vs Zombies
- Korek Machete
- The Last of Us
- Excalibur - Excalibur Sword
- Checkers - checkerboard allows you to play one turn at a time
- Silence of the Lambs
- Dancing Zombies
Other players have noted Master Sword and Psycho Easter Eggs.
Check the thread out through the link.