This is a guide on how to get all the "Win X multiplayer games" achievements and "Complete X missions or multiplayer games."
It is better to play the game first and do these last, but if you just want to get them out of the way, or are worried that the amount of fan boy complaints are going to make 343 Industries patch this, then, like myself, you can do this first before doing anything else.
Start up your game, and from the main menu, move your
/
, and then either press
or move
/
. Then move your
/
, and then either press
or move
/
. Then press
+
+
+
+
through the options, and once again press
to accept options. And finally, press
one last time to start the game, causing a 5 second timer to go off. As soon as the announcer says, "Slayer," press
and move
/
and press
on the menu for End Game. Then move
/
, and press
to choose Yes.
In game, it will say "You Won" under your ammo counter, and if you have the achievement app snapped like I do, it will go up a tiny bit, showing you that you gained progress.
Once at the score screen, just press
, and then you will be at the screen that is ready to start again. Just press
again to start, and repeat steps from there.
You can get about 1 game a minute done this way while watching videos, possibly faster once you get your hands used to it.
And no, this is not bannable. I have checked both the 343 and Microsoft ToS (which is why I allowed my Gamertag to be shown in the video).