If you dont have money to purchase a game, maybe you should consider free versions. Im not talking about weekeng gaming nor free games with 100+€. Im talking the actual free games.
In order to help you im ofering you the possibility to choose easier.
http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=576453385

http://store.steampowered.com/app/409160/