Steam account 30+ Game price check

Games are as follows, just looking for a price check then will sell.

-The ship
-Toki Tori
-The Ship single player
-Call of duty MW2
-Borderlands
-Dead island
-Dungeon Defenders
-Garrys mod 13
-Gotham city imposters
-Killing floor
-Saints row 2
-Saints row 3
-Team fortress 2
-Portal
-Left 4 dead
-Left 4 dead 2
-Half life deathmatch
-Half life 2
-Half life 2 lost coast
-Half life 2 episode 1
-Half life 2 episode 2
-Half life
-Garrys mod
-Dino D-Day
-Counter strike source