11th challenge is quite easy just get armor and helm for reflect . perks also . and buy that gadget which will heal u if u press S-key (last one) and this one which drop health packages .u should get enought HP from these two gadgets and get these 3 kills w/o problem
rly good game with that feelings u arent alone durning fight :D . sad preety short .
and u can beat sun if u destroy all yellow balls flying around it . then sun will lose shield and u can destroy it
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