Modern Strike Online

Modern Strike Online:
Can't get enough of PvP FPS action games? Looking for free killing first person shooter games around?

Well, you're in luck! Modern Strike Online is everything you've ever wanted from a free FPS game and even more!

Go to the Extension tab (in the top-right side, between search address and settings, you have to click a gray piece ). After you open the Extension tab, pin Modern Strike Online extension. Now, whenever you want to play, just click the extension located in the top-right corner.