Here are some games spotted on GamesCom 2014, most of them already known. If you spot some free game on GamesCom let me know via comments..
Link to WarThunder
Link to Arena of Fate
Link to BattleCry
Link to World of Tanks
Link to Shadows Realms
Link to DawnGate
Link to Dead Island Epidemic
Link to Heroes of the Storm
Link to Hunt – Horrors of the Gilded Age
Link to NosGoth
Link to Rise of the Incarnates
Link to World of Warships
Here are some videos…