Portal: Survive! is a live-action short film based on the Portal game, and its tie-in comic Portal 2: Lab Rat.
Valve have created Expiration Date, a 15 minute animated short featuring all the Team Fortress characters.
Lil Guardian Pyro
Lil Guardian Pyro is the winner for the best overall prize at this year's Valve Saxxy annual animated film competition.
Half-Life Black Mesa
A relentless team of fans have finally released Black Mesa a remake/upgrade of the first Half-Life game from Valve.