Tis the season for game sales.
GOG.com has begun their summer sale with new deals twice a day. A couple of standouts include:
The Witcher - $1.49 (85% off)
The Witcher 2 - $2.99 (85% off)
Jade Empire - $2.99 (80% off)
Telltale's Game of Thrones - $17.99 (40% off)
Lucasfilm Adventures pack - $16.61 (66% off) (Includes games like Secret of Monkey Island 1 & 2 and Sam and Max Hit the Road)
Additionally, you can get free games once you've spent a certain amount. $1 gets you Sim City 2000, $20 Stalker Clear Sky and $50 Xenonauts. All of those prices are in USD.
Amazon is also running their summer sale.
http://www.amazon.com/Game-Downloads...node=979455011
The one that popped out to me was Assassin's Creed Rogue for $12.50 which is currently $38.99 on Steam.
Humble Bundle has a solid weekly deal as well featuring Relic games. Spend roughly $7 and you'll get a great collection of strategy titles.
Warhammer 40K: Dawn of War GOTY
Warhammer 40K: Dawn of War 2 + Retribution
Warhammer 40K: Space Marine
Company of Heroes Complete Edition
Company of Heroes 2 + Oberkommando West & US Forces DLC
Spend $15 and you'll also get the COH2 Ardennes Assault expansion.