(adsbygoogle = window.adsbygoogle || []).push({}); i was playing zombies the other day and i looked at my freinds points and he brought nades wen he ad less point they looked at him and he had -60 point any1 no how he did this?? i asked him but he dont no

Yeah, reviving would be the answer

That's what happens to me.

no he did not 2 he never died it was me who was dieing he just kept buying nades he brought them 4 less money then wot they was

Only logical answer is constant reviving, and there is also a bug when you rebuild barriers as the round has ended. You get no points for rebulding.