20 Best Video Game Multiplayer Modes Of All Time

8. Bullet In The Chamber - Call Of Duty: Black Ops

How to make Call of Duty 'work' when the main game becomes a thick soup of gun mods and quickfire draws - make it so everyone only gets one bullet each.

One hit, one kill. Off another player and you get another bullet. Miss... and you're boned.

It really is that simple, but 'One in the Chamber' really excels through sheer minimalism. No more is it about careening around maps knowing your gun will do the talking - instead this mode ushered in a more contemplative, 'stalking' mentality.

Stealth actually pays dividends when you know every shot must count, and as Call of Duty's base feel is already so tactile and responsive, it was the perfect marriage of concept and mechanics.