Koreslayer 
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		  open skills, basically remove trees and make it so you can choose any skill available to your weapon/level. This would basically create new classes such as grenadier (emp grenade, stun grenade, toxic grenade, plasma grenade) To avoid being OP, only five or six skills could be equipped at a time. Also, since skills require certain weapons, it would be impossible for a ridiculous surgical strike/massacre/super charge selection. Like I said, this would basically create new classes as well as creating new tactics.  
			
								
			
			
				   
				  		 	
		  
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