Noticed the easter egg during mission 1-1's loading screen? Lt. Ko says »No, Herrera, I'm not going to do a barrel roll.« : r/AliensFireteamElite

The True First Easter Egg: Ready Player One Was Wrong – A Critical Hit!

The University (Chapter 8) - The Last of Us Part 1 Guide - IGN

The Last of Us' on HBO Easter Eggs: Every Video Game Reference

Ready Player One: 138 Easter Eggs and References in the Movie

The Last of Us Easter eggs guide: All the show's major game references

Screens of the EAS, Emergency Alert System Wiki

BO1] Ascension easter egg solo mod in Mod Releases - Page 1 of 1

Last Of Us Part 1: All Easter Eggs & References

Does the California Games Master System version have the Squinty O Toole trick in the footbag? I've been trying to do it, based on other versions of the game, but without success.

The Last of Us Episode 4: What did they change from the game?

BO1] Entire Moon Easter egg solo Mod in Mod Releases - Page 1 of 2

The University (Chapter 8) - The Last of Us Part 1 Guide - IGN

Zombified - Call Of Duty Zombie Map Layouts, Secrets, Easter Eggs and Walkthrough Guides: Die Maschine Coffin Dance Easter Egg - Call Of Duty Cold War