A friend of mine suggested trying this game out since he knows I'm into such games and since it was free, I was like "why not, how bad can it be." And well, I couldn't have been more wrong. This game is freaking amazing. I know it's still in its developing stage and is constantly being updated, I still had tons of fun and can't wait for the final release.
And because of the fun i had with this game, i decided to check the other ones out since all of them are free to play. And the experience with those was close to being the same. They are FUN!
So, if you are someone who is interested in a fun, free to play game that can help you pass your time, check these games out, especially Zombie-X