Rogue Warrior

mad easy. just start a game in non ranked change the settings to 5 min... you'll get the achievement even if your by yourself

You can get this achievement simply by going to "Create Match" from the Multiplayer Menu. Select any settings you want and begin the match. The achievement will pop when the match is completed.

If you select "Player Match" you can even play the match all by yourself - just set it to 5 minutes and let the time run out.

Note: You will need a minimum of 4 players to start a Ranked match. You only need yourself to start a Player match.