Only £1.79 for more than a couple of great games, including many local-multiplayer and online titles. All keys redeemable on Steam.
Guns of Icarus Online
The Ship: Murder Party
Eador: Masters of the Broken World
Super Toy Cars
Ring Runner: Flight of the Sages
My special recomendation goes to Ring Runner
, a rather excellent ship-building, single-player, action RPG (it offers multiplayer and co-op too).