Survivor 10G
Completed wave 10 on all maps in Survival mode

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Can be obtained in Private Matches

There are only 4 maps that you have to complete in Survival mode.

Skyline
Island
Estate
Junkyard
You can play with friends to make this easier, or go at it alone. Either way, you may put it on casual if you don't want to spend a lot of time on this. You have an E-Hole Cover that you must protect. You do have bots that help you if you do this by yourself. This is like Overrun and Horde mixed into one. You have 10 waves total and must kill all enemies to proceed to each next wave. There is no time limit in this game mode. The enemies will vary from wave to wave. If the E-Hole gets destroyed twice, you will have to defend the generator. This is extremely well fortified and as long as you repair the barriers a lot, you can survive it even alone with bots. The last wave has an extreme amount of enemies.

Private Game: You can play on casual with up to 4 other people (5 total). This makes it a lot faster if everyone cooperates. If someone joins in the middle of the game, that is fine. It will still count in the end, even if they joined late.

Note about Public Matchmaking: If you do not have your own party, you will be matched up with random people on the hardcore difficulty. It's actually easier to do it by yourself on casual than it is to play with 5 on hardcore.

Tracking: You can check the Achievements section in Stats & Awards from the main menu to see which ones you have done if you lose track.

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