A fun, 4-player, zombie survival game, Left 4 Dead 2 offers a mix of teamwork and solo combat. Great with friends.

Cures cancer. Definetely a must-have for any masochistics out there.

A very different type of game, The Stanley parable makes you think differently. Definetely a buy if it's on sale.

A simple, sandbox experience, Garry's mod has been used to create a bazillion different gamemodes for everyone. Owning most Valve games is recommended.

Rated amongst the greatest PC games of all ages, Half-Life 2 is still a great, immersive and thoroughly fun game, even by today's standards.

Even though outdated by today's standards, Half-Life still provides a decent amount of entertainment, and is certainly worth picking up.

A wonderful sequel to Portal, Portal 2 combines more great humor with more great story. It's 99% positive rating is not a mistake.

A classic, Portal combines creative mechanics with a great, immersive story. Great humor, if a little dark, is icing on the cake.