A new Half-Life 2 update celebrating the FPS game's 20th anniversary has arrived, and it's a true love letter to one of the all-time greats.

Half-Life usually costs $9.99 / £7.19, which makes this deal an absolute banger.As long as you download Valve's iconic shooter before Monday, November 20, it's free to keep in your Steam library ...

Between now and November 18 though, the game is free to download. Half-Life 2, for those that know nothing about it, is the sequel to 1998’s Half-Life.

Conway’s Game of Life is a beautiful example of how complex behavior can emerge from a few very simple rules. But while it uses biological terminology such as “cells”, “alive” and ...