Epic Games' FPS classic Unreal is 20 years old today. To celebrate, you can pick up a free copy of Unreal Gold for PC from either Steam and/or GOG.com for the next 48 hours.
"Your prison ship has crash-landed on the fastest, sleekest, most dangerous 3D world ever created. Look around, crystal clear water shimmers, shadows dance and shift, alien architecture fades into the horizon. Discover the secret of this mysterious planet and find out what caused a peaceful race to be enslaved by vicious merciless aggressors."