IluI It's not just software that come with Easter eggs, there are games as well. One of the most widely played games-Counter¬Strike-has many Easter eggs built into it. One of them is in the map de_dust2. First, join the Counter-Terrorist team and type kill in the console. When you join into free fly mode. move into the walls facing the terrorist team and you will the see the credits for the map. You might have to host your own server for this with free fly enabled for the map.