Steam, the leading digital distributor for the PC platform is popular among gamers and even game developers as well. One of the reasons for its popularity is the plethora of titles available on the platform that saves players from heading to local gaming stores but rather buying it online. Furthermore, huge sales on blockbuster games appeal to most gamers to stick to the platform. But the store has an extensive free-to-play selection as well that offers tactical fps, naval warfare simulation, tank games among others. There are a bounty of options available on Steam and if you are penniless and looking for some good gaming experience for free here is the list that you should check out.