Assault

Defend your base – Assault arrives in Halo Infinite! First introduced in Halo 2, this mode is the reverse of Capture the Flag. Rather than getting into your opponent’s base and stealing their flag, you’re sneaking into their base with a bomb, attempting to plant it. It’s totally identical, just in reverse.
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Bomb Armed

Assault comes in multiple flavors and the two being introduced with Operation: Frontlines are:
  • One Bomb
  • Neutral Bomb
Some of you might be wondering… “What’s the difference?” Thank you for asking!  Neutral Bomb starts with the bomb in a neutral position on the map (usually the middle) and each team fights for control of the bomb. Once you have the explosive in your possession, your objective is to infiltrate the enemy base and plant it. One Bomb is a one-sided objective mode that alternates with each team taking turns being on offense and defense. If you’re on offense, the bomb will spawn in your zone and it’s up to your team to mount the assault on the enemy’s base. If you are on defense, your goal is preventing that bomb from being planted in your area. Those of you that played Halo 2/3 know that One Bomb on Zanzibar/Last Resort was the classic One Bomb experience. So classic that we’ve got not just 4v4 Assault available, but also Squad Battle Assault pitting 8v8 in the battle of the bomb! After all, Assault is not only a really great 4v4 objective mode, it also plays very well in larger teams.
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The 4v4 Battlegrounds

Some of these maps should tickle the nostalgia bone. You can bookmark the modes here: …and then grab the maps below!
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Neutral Bomb Maps

Absolution

Credits: Anvil Prime 52 Bookmark  A mashup with some familiar Halo 2 (Sanctuary) and Halo 3 (Guardian) map feels, you’ll feel like you’re right at home on Delta Halo.

Aquarius

Bookmark  The grass isn’t always greener but the hydroponics sure make the scenery nice and verdant.

Catalyst

Bookmark  One misstep could be the catalyst you need to swing the outcome in your favor.

Fortress

Credits: MikRips, Ethan Hibbs Bookmark  The battle for the castle will happen on this map with a beautiful vista to take in as you watch for the bomb.

Origin

Credits: HilmMike Bookmark  If you’re thinking, “Hey this looks a lot like Coliseum from Halo 5!” then you’ll be pleased to know that this is, in fact, Coliseum from Halo 5!

Serenity

Credits: UneeQ, Mr Greencastle, MikRips Bookmark  Find inner peace on this sanctuary.
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One Bomb Maps

Curfew

Credits: Sikamikanico, Whos Blaze Bookmark  Keep it clean on this ODST inspired map. That means tidying up any shards left behind after the bomb explodes.

Forest

Bookmark  Pack your sandwich lunch and don’t get lost on your way to [strike]grandmother’s house[/strike] the enemy’s base.

High Ground

Credits: UneeQ, Mr Greencastle, Azwilko1997, Artifice7285 Bookmark  The classic Halo 3 One Bomb experience returns. Stand your ground and don’t let the enemy into the base! After all, you do have the high ground.

Launch Site

Bookmark  It’s the final countdown…but will it be a victory or a failure to launch? That’ll depend on you and your fireteam.

Recharge

Bookmark  Looking for a break? You won’t find it here. Be prepared, the fighting is sure to be (hydro)electric.
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Squad Battle(Grounds)

Grab the modes and then your favorite maps!

Neutral Bomb Maps

Harvest

Credits: Scrubulba, Tiiiiiiim 7, MikRips, LudoHT, Mr IncrediJON, Handsome Huber, lackhoves Bookmark  You reap what you sow in the great harvest of assault.

Rats Nest

Credits: MastermetaleX Bookmark  Another classic throwback map with many different ways to get the bomb into the enemy’s base. Are you going to convoy it in vehicles? Run it in on foot? So many options, so little time.

Rendezvous

Credits: THE SLAMMERSS, h8yse Bookmark  You, your teammates, the bomb, and a rendezvous with destiny.

Timberland Evolved

Credits: D0ctorSmurf, Virus11010, Micheal B 2K8, Mr IncrediJON, MikRips, Okom1, Darth Draius Bookmark  Keep your eyes peeled for Spartans advancing through the forest. Was that a player or just a branch…?

One Bomb Maps

Kusini Bay

Credits: Mr Kwatz Bookmark  High Ground is to 4v4 One Bomb as Kusini Bay (aka Zanzibar aka Last Resort) is to 8v8 One Bomb – classic and iconic.

Refuge

Credits: Cousin Tim, InfiniteForges, NightAvenger01, Micheal B 2K8 Bookmark  Is there anything you can’t play on Refuge? One Bomb joins the pantheon of other modes playable on this map.
[/hr] One other housekeeping note is that the Infection playlist is being added to Action Sack and Castle Wars is being added to Squad Battle. Both will be available via Match Composer so fear not, you can still find and play your favorite modes. And with that, it’s time to return the bomb to the enemy. Good luck.