The team that wins the best of three (win two games) is the winning team.
How To Play:
Your team and your opponents will join the same private lobby. You will find your opponent and their Halo Gamertags by clicking on your match in Drop-In Gaming. You will invite your opponent to join your custom lobby. The team that wins two out of three Slayer matches will be the winner of that match.
The team at the top of the matchup will be the host of the best of 3 series.

Game Setup:
On the home screen make sure that PLAY is selected in the top left navigation bar. You will see CUSTOM GAMES in the bottom left. Click custom games and you will be taken to the custom games lobby. Select MODE EDITOR, select the first choice in the dropdown list under the MODE section, which labeled 343 INDUSTRIES. This will open in this list select 343 Industries. Go to the second page of options to see the RANKED game modes. Select the RANKED SLAYER option and the game will have the correct settings in place from there.
Lobby Settings:
Select lobby settings from the custom games screen. From here, change the privacy to INVITE ONLY. Doing so will make the lobby un-joinable without an invite from someone already in the lobby. Set the MAX LOBBY SIZE to 8 players.
Maps:
Aquarius, Bazaar, Behemoth, Launch Site, Live Fire, Recharge or Streets.
No other settings need to be changed. The hosting team must ensure that all the settings are correct. If any setting is incorrect, then the hosting team will risk forfeiting the match as long as the proper proof is supplied of the incorrect settings.
Score Submissions:
After each match is played, players must submit scores by clicking on your matchup on Drop-In Gaming. In this single elimination match, the team who wins the best of 3 series will be the winning team. Score submissions will look like this:

No Shows:
If your opponent does not show after 15 minutes that your matchup is created, you will see a “No Show” button populate within your matchup. Use this button to report your opponents as a no show once it becomes available.
Dispute:
If you dispute the outcome of the match, you have 5 minutes from when the match ends to upload evidence that your team won. All disputes will be reviewed by our gaming analysts to determine the final outcome.
Match:
In this match, you will play a best of 3 series. The team that wins 2 games out of the 3 is the winning team.
Streaming:
We recommend streaming to avoid any cheating allegations. If streaming, confirm “Streaming” when creating your team on the given competition. Players can also post in community chat with their stream info as well.

Lag:
If unplayable lag occurs, capture full proof of this lag, including how it affected your gameplay. At the end of the match, you can dispute the match and submit proof to the necessary support type. The administrator will decide whether or not it had an effect on your match based on the proof supplied. After reviewing this, our administrators will make the call on whether or not the match is to be replayed or cancelled.
Disconnection:
In the event of a disconnection, you and your opponent must restart and finish the remaining time of the match, keeping the score the same as it was in the game that got disconnected. If the user disconnected 3 minutes into the match, then the match will restart and you will play for 2 more minutes. There will be a maximum of 2 restarts.
In-Game Glitches:
Any in-game glitch used intentionally by a player to give them an advantage, it is at the admin’s discretion to cancel or replay the match; please play your match to completion as the decision will be made after the fact. Proof would need to be clear and evident, you can use In-game captured proof.