Portal or Mirror's Edge

hi i want garrys mod
i have:
saints row 2
Grim Legends: The Forsaken Bride
Clockwork Tales: Of Glass and Ink
Time Mysteries: Inheritance - Remastered
Vampire Legends: The True Story of Kisilova
The Secret Order 2: Masked Intent
Fairy Tale Mysteries: The Puppet Thief
Sparkle 2 Evo
Millie
Merchants of Kaidan
Timberman
Sparkle 3 Genesis
Violett Remastered
Munin
tomb raider 1.2.3
Frederic: Evil Strikes Back
Frederic: Resurrection of Music
Gorky 17
Pressure
The Ship: Complete Pack
Enclave
East India Company Gold Edition
Knights and Merchants HD
Commander - Conquest Of The Americas
Pirates of Black Cove
Bionic Commando: Rearmed
STRIDER™
Frozen Synapse Prime