Portal (c) Valve
I really want to play it!
This is a really cool stamp This has to be one of my favorite games
XD SPACE CORE!!
YESSSS A PORTAL STAMP!!!!!!!!!!!!
The guy in the middle looks like a swastika...
portal is the most epic game IN THE WORLD
This is just so perfect. I love this so much xD
PERFECT. JUST. YES.
portal is a mindf~ck. dats AWESOME 8D
is it a plz?
Great stamp ^+^ nice idea splitting the word Portal up