Paradox Interactive games are now super cheap on Humble Bundle! You can get a lot of nice strategy / RPG and city building games over there - the biggest bundle is less than €10 so I guess it's a win-win. Check it out!
Steam's Summer Sale starts in 2 days, meanwhile all of their competitors are having a lot of sales too! Check them out over here. The highlights are: Doom + Demon Multiplayer Pack DLC €38.90 Mirror's Edge Catalyst €41.99 Battlefield 1 €46.99 Rocket League Collector’s Edition €13.95 Stellaris €31.90 ARMA 3 €26.00 Fallout 4 €31.90 Rise of the Tomb Raider €38.89 (I really recommend this one! Awesome game!)