IF multiplayer wants to make us feel like Spartan warriors, it should have Co-op operations. These would be simple 8 player things which have the players spawn on a map to do a few random objectives and fighting a random enemy. Think of them like L4D combined with cold wars outbreak but with halo.
Example idea.
Operation location: forest
hostiles: Unknown.
Objectives: rescue pelican crew, Activate communications relays, Defend outpost X.
The objectives would be done in that order, there will always be three random objectives which spawn on the maps. With the game play having players dropped in via pelican and given a marker for the first. You start with a standard assault rifle and a pistol nothing else through out the maps would be other weapons but also hostiles. think of this sort of like Call of duty CW’s outbreak mode.
Examples of enemies that might be on the map.
Covenant outcasts: elites, grunts, jackels(halo 1-3 type), hunters
Banished forces: brutes, grunts, jackals, hunters
Rebel forces: humans, elites, grunts, jackals.
Unknown: Flood
Hunter grounds: hunters in several types (anyone who has played halo wars 2 knows what I mean.)
Modifiers for the enemy types
Over shields: 50% of shielded enemies have overshield
stealth ops: 50% of shielded enemies have cloak.
Banshee support: constant hostile air
third party [hostile type]: second enemy group will fight the first and you.
Close range danger: more shotguns, swords, and hammers
Snipers: more snipers
Jackal snipers: Jackals armed with human sniper rifles they hit hard and fast.
Grunt swarm: 4x as many grunts as normal. (for flood it is 6x infection forms)
Armor: wraiths or Scorpion tanks are more common.
Air support: hostile air is constant (for flood infection pods bomb locations.)
Bellow enemy type is objectives these come in two types generic and end. Generic objectives do not have to be done but give bonuses like power ups, weapons, and vehicles.
Objective examples
Rescue downed pelican/convoy
info: on the map will be a downed pelican or a convoy with destroyed hogs, link up with the survivors and keep them alive for 2 minutes while rescue arrives.
type: generic
reward: Transport vehicle (anything that can hold more then one spartan) or supply drop (6 supply pods with random UNSC weapons)
Activate Communication spires
info: around the map are covenant or human mobile radio towers, hack into them to gain information on troop movement.
type: generic
Reward: per tower, weapons, grenades, armor abilities, or vehicles
Kill high value target
info: kill a high value target, be it a “named” hunter pair, some forunner hostile, a grunt in a freaking goblin, or a rebel in tank.
type: generic
reward: pelican supply drop random supplies.
Locked armor
info: a spartan has gone down in this area, they are alive but their armor is locked. Find them administer aid and escort them to the local base.
type: generic
reward: spartan ally at final, supplies from base.
Swords in the sky
info: Some Elites are requesting spartan help nearby, go see what they want. Can lead to an assassination or defend mission type.
type: generic
reward: covenant supplies.
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Final objectives always take place at a local base, these can only be triggered once both generic objectives are done.
Defend fortification
info: like rescue objective but with a 5 minute counter and larger threats, including armored support.
type: Final
reward: Evac (mission complete)
Deliver a bomb
info: The base needs you to deliver a tactical explosive(you all know the bomb) to a key point of enemy communication and detonate it. Be careful we only have one bomb.
type: final
reward: Evac
Convoy escort
info: A convoy is at the base with some vital materials, escort it to the LZ marked on your map so we can all get out of here.
type: final
reward: Evac
Along with generic and final missions, there is also hidden objectives these can be anything from finding supply cashes, recovering lost dumb AI, saving some marines, to even linking up with rogue aliens who want to help.