Sure, the graphics aren't stunning, the control system is often awkward and the multiplayer modes are shallow and lacklustre, but those are really just minor niggles. There's more than enough gameplay in the single player game to keep you occupied.
Steam's Summer Sale has tons of games at low prices, but here are the best games you can buy without worrying about spending too much money.
Steam has released its top ten sellers list for the week ending on November 21.
Btw, Zombie Shooter 2 just came out on steam too. It's basically Alien Shooter 2 Reloaded but zombies. I bought it for $10 but the Alien version just seems a lot better. Buy it later for less... like when it drops to $5.
Valve has released their weekly top ten sellers list on Steam for the week ending on November 14.