This challenge runs from June 11th to July 2nd at 10am PDT. It will expire after that time.
You will unlock the Studios Versus Challenge after finishing 20 Ranked Versus Matches. You will find the gametypes Execution and Escalation under the Competitive section in Versus. You can also find the gametypes Guardian, Team Deathmatch, King of the Hill, and Dodgeball under the Core Modes section in Versus. Any of these listed game modes will count for progress.
Thanks to TA users Ron Jeremy R6
that Core Modes count towards the challenge as well.
You can track your current progress in the same spot as the achievements on the Xbox guide.
So just play through 20 matches of any of the listed modes above. Execution, Dodgeball, Guardian, and Team Deathmatch are the quicker gametypes. Winning or losing does not affect anything, just simply finish through to the end of each match.
If you are having troubles finding matches searching by yourself (due to locale), you may want to partner up with another gamer from North America to speed up the process. LFG (Looking for group) on Xbox is an alternative to finding like-minded players.
In addition to unlocking the challenge you will also be able to redeem some weapon skins (not tied to any achievements like the Flaming or Midnight Omen skins) for your efforts. After unlocking the challenge, visit the below link and login with your Xbox account that unlocked the challenge and click 'Claim Reward' under the appropriate spot.https://gearsofwar.com/en-us/my-rewards
Any questions, comments, or concerns feel free to leave a comment below or shoot me a message here on TA.