Main Quest

Longer, more intricate cut scenes.
More NPC character development
More mood setting music

Side Quests

More originality and diversity
Story resolution on completion
Faction based side quests (more structured than contracts)

Ark Falls

Healing back on the tally in its own section
An overall stat that is skill based (not just how often you arkfall, how good you are at it) in playerhub
More diversity and one to two mega arkfalls (entire map) per week.
First, second, and third specific awards uniquely obtained in arkfalls.

Time trials

Replace half of them with races against NPCs. Put rollers into some of them.

Hot shots

Take the reservoir chicken challenge and completely remove it. Burn the original notes page.
Make some a traveling style (go from A to B while you shoot).

Rampages

Multiple weapon rampage. Start with one, run out switch to another.
More dynamic and adaptable

PVP

Better goals, more maps.
Track medals won and show what each medal is for on player hub.
Track more PVP stats on player hub
More unique PVP outfits

Co-ops

More of them
A chance of total failure