Post all game discounts here.
GTA V is 50% off until Tuesday!
28th of this month ends discount for all Borderlands 2 editions https://store.steampowered.com/sub/32848/?snr=1_7_7_204_150_1
Middle Earth: Shadow of Mordor for 8 euros https://store.steampowered.com/app/241930/Middleearth_Shadow_of_Mordor/?snr=1_7_7_204_150_2
Dinosaur Hunt XXL edition for 6 euros (costs 77) https://store.steampowered.com/bundle/1011/Dinosaur_Hunt_XXL_Edition/?snr=1_7_7_
Humble bundle - Arma sales (7 days offer)
You can get Arma 3 + 3 DLCs at 15$ instead of 60$ on steam
You can also get the entire Arma pack (including Arma Apex, Arma 2, etc) at 20$ instead of 180$ on steam
check link for details!