If Combines try to attck Lambda player,they never see the real player or other NPC even if they get shot by them.They WONT EVEN CHANGE TARGET after killing the lambdas,then after lambdas respawn,they go on killing lambdas.At the same time,if combines try to kill the real players,they WILL NEVER TRY TO ATTACK the lambdas,even if lambdas attack the combines,they just never give lambdas a ♥♥♥♥.:(