Extra Headshot Damage...
	Fight against zombies when som...
	Level Star Rewards...
	Multirockets and Medkits...
	Red Skull during zombie attack...
	Upgrade Weapons...
	Various Achievements...

Target zombies for headshots to do additional damage, and typically get a one hit kill. This will also earn bonus experience. This is very well finished with manual fire allowed in order to prevent accidently striking other body parts while you attempt to intend.

When somebody attack your base... so don't worry try may tip. first don't choose any assault gun in primary weapon choose shotgun for close combat.. and in heavy weapon choose machine gun first find any vehicle and take cover (cause easy to view everything) and no any zombies attack you from behind so easy to shot any zombies...

Each level has 3 possible stars that can be made. The very first star is reward for finishing the level. The continuing to be 2 stars are made by finishing the optional goals. Making the added stars leads to more experience and cash.

Items such as multirockets and the medkits and gotten through cards or by investing gold, the game's premium currency. Save them up until you definitely have to use them to progress.

When a zombie is very close, however not in your direct line of vision, a white skull will appear near your crosshairs to reveal its place. If that zombie is really close and in attack range, the skull will be red.

Your starting gun will be your frequently used weapon. Upgrade it whenever you have sufficient cash. You can boost its precision, power, and other stats.

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
#01 - Shock Trooper	Kill 300 zombies with short range weapon.
#02 - Assault	Kill 500 zombies with medium range weapon.
#03 - Heavy Gunner	Kill 1000 zombies with heavy weapon.
#04 - Butcher	Kill 500 zombies with melee weapon.
#05 - KABOOM	Kill 500 zombies with explosions.
#06 - Sharpshooter	Score 1000 headshots.
#07 - No Remorse	Score 300 multi-kills.
#08 - Sniper	Score 50 multi-kills with sniper rifle.
#09 - Adrenaline	Kill 12 enemies during one ADRENALINE RUSH.
#10 - Rocketeer	Kill 30 enemies during one mission using MULTIROCKETS.
#11 - Medic	Heal or boost 1000 HP.
#12 - Untouchable	Finish 50 missions without injury.
#13 - Loot and Pillage	Get the 'V.I.P Chest' reward in a total of 1 campaigns.
#14 - Raider	Get 3 stars on 10 Skirmish Ops in total.
#15 - Marauder	Get 3 stars on 50 Skirmish Ops in total.
#16 - Conqueror	Get 3 stars on 500 Skirmish Ops in total.
#17 - Urban Cowboy	Achieve 3 stars for all story-missions in region 1.
#18 - Agent of Destruction	Achieve 3 stars for all story-missions in region 2.
#19 - Lone Ranger	Achieve 3 stars for all story missions in region 3.
#20 - Guardian Angel	Achieve 3 stars for all story missions in region 4.
#21 - Patriot's Bane	Achieve 3 stars for all story missions in region 5.
#22 - Street Justicar	Achieve 3 stars for all story missions in region 6.
#23 - All-American Hero	Achieve 3 stars for all story missions in region 7.
#24 - All-Star	Achieve 3 stars for all story missions in region 8.
#25 - Gunsmith	Complete a total of 10 weapon upgrades.
#26 - Champion	Score 100000 points.
#27 - Plunderer	Gain 100 gold from attacks on other players'.
#28 - Ranked Fighter	Win 25 non-custom multiplayer Duels.
#29 - Ranked Master	Win 200 non-custom multiplayer Duels.
#30 - Ranked Champion	Win 1000 non-custom multiplayer Duels.
#31 - Prestigious	Reach 10000 prestige with any hero.
#32 - LEGENDS	Successfully finish 3000 missions.
#33 - Marathon	Play 20 missions in one day.
#34 - Keen	Play game on 2 consecutive days.
#35 - Eager	Play game on 3 consecutive days.
#36 - Enthusiastic	Play game on 4 consecutive days.
#37 - Devotee	Play game on 5 consecutive days.
#38 - Fanatic	Play game on 6 consecutive days.
#39 - Diehard	Play game on 7 consecutive days.
#40 - Hardcore	Play game on 10 consecutive days.
#41 - Ultimate Soldier	Play game on 14 consecutive days.
#42 - Rookie	Reach player rank 5.
#43 - Trooper	Reach player rank 10.
#44 - Veteran	Reach player rank 20.
#45 - Wolfpacker	Reach player rank 60.
#46 - Defender	Finish defence streak on your base.
#47 - Liked	Receive a total of 5 rewards from your friends.
#48 - Loved	Receive a total of 100 rewards from your friends.
#49 - Popular	Receive rewards from at least 5 different friends.