[H] Half-Life, CSS [W] Any GAME offers

http://www.steamtrades.com/trade/pFkzw/h-limbo-garrys-mod-world-of-goo-unreal-tournament-3-coals-w-css

HL2EP1 for HL?

http://steamcommunity.com/id/sCinix

Coals or Half-Life 2 Ep1 for the Half-Life?