Q. So there's PvE and PvP, what specifically can I do in the game?
A. Well there are among several different things you can do in the world.
Main story missions - Self-explanatory. (Can be done cooperatively)
Side missions - Self-explanatory. (Can be done cooperatively)
Hotshot - No info as of yet.
Time Trial - No info as of yet.
Rampage - No info as of yet.
Emergencies - Such as saving farmers, repairing objectives, these will show up randomly while traveling. (Automatically cooperatively for anyone in the area)
Competitive Multiplayer - TDM, Cap and Hold, Gather resources and bring them back (16vs16, 32 players)
Shadow War - A major pvp objective-based event held in the over world. It is completely a opt-in event. You will see this happening around the world and even able to spectate watching the other players battle it out. Or jump in yourself and cause mass mayhem. (Up to 128 players max)
Co-op/Dungeons Instances - Self explanatory, enemies will scale depending on the amount of players. (Currently only 4 players)
Arkfalls - Random server event that happens in random locations around the world. There are several types of Arkfalls.
Minor - Small amounts of arktech, random enemies.
Mutants - Small amounts of arktech, this involves Mutant enemies.
Raider Decimation - Small amounts of arktech, this involves Raider enemies.
Raider Destruction - Small amounts of arktech, this involves Raider enemies.
Scrapper Disruption Small amounts of arktech, this involves Scapper enemies.
Major - Enormous amounts of arktech rain into the planet, with dark blackening skies, this will attract Hellbugs and the infamous Hellbug Hellion.
Hellbug Extermination - Major arkfall, this involves several waves of Hellbug enemies followed by a Hellbug Hellion at the most major crash site.
Revolting Hellbugs - Major arkfall where several small Hellbug groups arrive at crash sites followed by a Mature Hellbug Hellion rising at a major crash site.
Mother of all Hellbugs - Major arkfall where several smaller Hellbug groups arrive at crash sites followed by a Hellbug Matron rising at a major crash site.