Valve has launched a Steam sale on over fifty stealth titles, running until the end of this week.

Titles on sale include games from the Far Cry, Assassin's Creed, and Thief series, as well as a legion of games based on Tom Clancy properties.

The sale also discounts indie favourites like Monaco, Mark of the Ninja, Gunpoint, Volume, and The Marvellous Miss Take.

Players can find the full list of discounts in their preferred Steam client or on the Steam website.

The Steam Stealth Game Sale expires at 5am NZ time on Saturday, October 17.