"All Easter Eggs and Secrets found in Counter Strike Global Offensive (CSGO). Like and comment if you want more CS videos (1.6, Condition Zero, Source)

The List:
Hidden Designer's Logo (Cobblestone)
Half Life Reference: 24724 (Freeman Zip Code) (Overpass)
Monitor Screen With Steam, Splintel Cell and Quake Icons and Fart Button (Militia)
Masks From Payday 2 (Bank)
Gabe Newell's Message (Office)
Team Fortress Reference: Redmond (Assault)
Left 4 Dead Reference: Riverside (Assault)
Romanian Flag (Bank)
Growling Dog (Inferno)
Goose (Dust)
Don't Step On Birds! (Train)
Ship From Left 4 Dead (St Marc)
One Up Crew Grafittis (Overpass)
Radio With TF2 Song (Train)
Portal 2 Music (Overpass)
ATM Spitting With Money (Overpass)
Alpine Sweat (Office)
Snowman (Office)
TPS Reports 1999 (Office)

If you find any more, don't hesitate to share in your comment!
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