Let's collect some game play tips
Let's collaborate and compile helpful game tips. (For a Spanish version have a look here.) If you have a new tip, hit REPLY and share your wisdom! Like a tip? Be sure to give it XP. Seen a video...
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on Takondona castle the strike mission. As the first order speed is key. Once you have the artifact run in zig-zags towards the objective. your team mates should try and stun rather than kill as they spawn were the objective is.
Big tip: Reinforcements can't pick-up the objective.
As an officer using the blurg, get the grip to help with aim, it makes the gun many times better, and if you take 4 shots instead of exploding, it's like a pistol version of the ee-4. I've 3-4 shot heavies down from full health through their shields and lived. Don't underestimate the power of the officer.
- Another tip, don't forget to swap your cards as needed by level and situation. Seems rather "duh" but many forget.
As an assault, your dart gun reveals where the enemy is on the mini map for a few seconds. As a new player this is priceless for older players who've unlocked other cards to help the team. It has a "fall" in flight so make sure to aim high enough to compensate.
As a heavy, remember to use your shield. It's almost as good as the officer buff in adding life back to your bar. Yes it slows you down, but pop it even in fights you can't win to buy your team time. You never know when someone will assist with a grenade or some other device and save your bacon just because your shield kept you alive an extra 5 seconds.
As a hero, you heal now! Most heroes will now heal up to about half their max health if they drop below it if they can avoid being shot. Use this to your advantage both to kill them, save them, or save yourself. If an enemy hero is running, focus and drop him, if your hero is running, take one for the team and stand in front. Their potential for usefulness is much greater than normal foot soldiers.
General: if a heavy has up a shield, aim from above for headshots or their legs to avoid the shield entirely. If you're an officer, your turret being destroyed WILL kill you, wether you detonated it or the enemy simply shot it down. Standing near it heals it, but if you aren't careful you'll go down with it. (Bad design imo) 
The explosion amunition on blurg are helpless
