well since its multiplayer why not, add a 3d look as in first person,
and add a radar/ mini map,
add some vehicles bigger maps,
pick up and drop able weapons,
add a add credits button so no one can whine about not being fair because some one has better weapons,
add a big campaign,
add real looking zombies, aliens, humans, plants, buildings, vehicles, weapons, players, weather, environment, openable doors, blowupable walls, and etc.,
handheld radios for contact, being able to talk to other players with all chat and team chat to talk to your team which makes you talk into a transceiver using the radio,
trip mines,
satchels,
camo m16 with
m203 grenade launcher,
flashlight,
holographic scope with
thermal vision,
night vision,
heat vision,
flash suppressor,
silencer,
barrel grip,
sling,
grip,
underslung shotgun,
bipod,
bayonet,
pistol attachment,
handle grip,
collapsible stock,
taped together extended clips,
and tactical pad side attachment.
Green, Brown, and Black U.S. Army soldier armor,
crysis 2 nanosuit 2.0,
medic, spec ops, marine, assault, support, sniper, cyborg, robot, pilot, engineer,
add a make your own character button to allow you to create your own character that has everything to pick from,
vehicles could be jets, planes, helicopters, tanks, mechs, ships, jeeps, apcs, jetpack, motor cycles, and etc.
epic awesome campaign thats huge and is just plain epicly awesome, and multiplayer is awesome too, and
other weapons, many other weapons, all the weapons vehicles characters and more you can find.
ability to pick your own drop point, and you land in a dropship with everyone else in the campaign,
and in multiplayer you can pick your own drop point and you drop in a drop pod.
ability to make your own vehicles and weapons and enemies.
ability to choose a melee weapon to use.
ability to hijack vehicles and steal enemy weapons, and ability to enable gore and etc, and ability to shoot down enemy and ally missiles.
ability to dismount turrets and mount them back and use turrets and deploy them.
more abilities and more equipment and weapons, packs for free, but you can donate for the legendary and epic packs, but the teleport ability can be unlocked for free when you kill 500 enemies.
ability to delay bombs and grenades if wanted by holding down the grenade button.
ability to choose bombs, grenades, mines, ammo types, ability to pick booby traps to lay down or etc, ability to deploy a shield to stop enemies, ability to choose different types of weapons, ability to choose player name, color, gender, skin, default weapon, and etc, and the ability to bring in reinforcements when needed, but 5 minute cool down since it brings in 10 bots or humans if human, and if alien 10 aliens or zombies, and it can only be used once per level it is campaign only support power.