Medals in CSNZ

Head Hunter TASK : Achieve 1000 headshots.
Tips to achieve
Play against Very Easy Bots.
Scenario modes will also work.
Sword Master TASK : Kill 10,000 enemies with melee weapons.
Tips to achieve
Easier to be done in Lost City Easy Mode alone. Play any Knife Battle mode.
Doing Killing Machine might also obtain Sword Master.
Weapon specialist
TASK :Kill 1000 enemies with assault rifle, 500 enemies with submachine gun, 400 enemies with sniper rifle,300 enemies with machine gun, 200 enemies with shotgun and 100 enemies with pistols in Gun Deathmatch mode.
Tips to achieve
Keep playing, focus on the easier task first.
Machine gun only appears once per match.
Godlike TASK :3 consecutive kills for 1000 times without dying in Original/Team Deathmatch.
Tips to achieve
Only available in rooms with 8 players and above.
Bomb Expert

TASK :Plant and defuse C4 100 times.
Tips to achieve
Playing 1 vs 1 with Bot also counts if attempting it alone, player should choose small maps and set the match to knife battle for quick farming.

Best done in Sienna.
Note: The C4 must detonate for "Plant C4" to be counted. 200 times in total.
Reliable Assistant TASK :1000 assists in Basic mode.
Tips to achieve
Use weapons that deal low damage like SMG or Pistol.
Bitter

TASK:Get 1000 successful Revenge kills in Deathmatch/Team Deathmatch/Gun Deathmatch modes.
Tips to achieve
4 players needed for progress to be counted. (12 players recommended)

Bots are counted.
Winner

TASK:300 wins in Deathmatch/Team Deathmatch modes.
Tips to achieve
Good experience is needed to compete with other teammates.

Choose a team that you think that they can win and AFK in the room. Remember not to stay too long or you'll get disconnected.
Bot Master

TASK:Unlock all bot difficulties (Easy ~ Elite)
Tips to achieve
Estate and Industry2 in Deathmatch mode is recommended for a more rapid progress.
Use SKULL-9 in Industry2 at the top of the left box in Terrorist spawn.

Master of Survival

TASK:Survive 5000 rounds as human in Zombie Modes (excluding Zombie Scenario Mode).
Tips to achieve
Avoid being detected by the zombies. Cooperate with professional players. Patience is just the key to success. Suicidal is also counted.

Note: need at least 2 players in game.
Zombie Hunter

TASK:Kill 5000 zombies in Zombie Modes (exclude Zombie Scenario Mode).
Tips to achieve
Use powerful weapons to kill zombies easily.
Use Deadly Shot ability to increase the damage. Focus on newly infected human first.

Note: need at least 2 players in game.
Evolutionist TASK:Evolve from normal zombie to host zombie and to powerful host zombie for 10,000 times.
Tips to achieve
Being chosen as a host zombie from the beginning of the round doesn't count.
Infect as many human as possible in order to evolve.
Bot Zombie Master TASK:Unlock Difficulty Level "Elite" in Bot Zombie Mode.
Tips to achieve
Activate the "Friendly Fire" option and kill human bots first then the zombie.
Pilgrim TASK:Clear Lost City, Double Gate, Trap, Last Clue, Chaos and Dead End.
Tips to achieve
the best way to do it on normal lvl
Note: Easy stage is not included.
Treasure Hunter TASK:Accumulate 100,000 points from Zombie Scenario Supply Box.
Tips to achieve
Play ZS maps that have many zombie spawns.
Killing Machine TASK:Kill 10,000 zombies in 1 round of Zombie Scenario.
Tips to achieve
Last Clue: Eliminate zombies until the fourth wall, you can get this medal.
Ungertaker
TASK:Kill a total of 1,000,000 zombies in Zombie Scenario.
Tips to achieve
Disconnect or auto-leave still count.
If 1,000 zombies are killed in a day, you will get the medal in nearly 3 years.
Anti Zombie weapons are recommended for easy killing. However, other crowd clearer weapons such as Petrol Boomer are also recommended.
In pursuit acid
TASK:Clear Toxicity 100 times. Note: Easy stage is not included.
Tips to achieve
Play with professional players.
Use weapons of SKULL/BALROG Series for easy defeat
Aim for the red part on the chest.
Note: Phobos/Oberon/Angra you can kill the same

Goalkeeper TASK:Defend a goal 50 times in Soccer mode.
Tips to achieve
Create a room and playing with another player,call 4 other players to join.
Don't quit from the game until the end
Center Back TASK:Tackle the ball 200 times, defend a goal 10 times in Soccer.
Tips to achieve
Don't quit from the game until the end
Defense Midfielder TASK:Tackle the ball 100 times, pass 100 times in Soccer mode.
Tips to achieve
Don't quit from the game until the end
Attack Midfielder TASK:50 times of support, pass for 100 times in Soccer.
Tips to achieve
Don't quit from the game until the end
Striker TASK:Score 100 goals in Soccer mode.
Tips to achieve
Don't quit from the game until the end
Libero TASK:Tackle the ball 5000 times, pass 1000 times, score 100 goals and defense a goal for 100 times in Soccer mode.
Tips to achieve
Create a room and playing with another player,call 4 other players to join.
Don't quit from the game until the end
Playmaster TASK:1000 times of support, pass 5000 times and score 500 goals in Soccer mode.
Tips to achieve
Create a room and playing with another player,call 4 other players to join.
Don't quit from the game until the end
Player Of The Year

TASK:MVP 2500 times in Soccer mode.
Tips to achieve
Score, Assist, Defend and Interception will grant you an MVP.
If you have money, upgrade three statuses (All level 8).

The Last Survivor TASK:Clear Zombie Shelter: Coop for 100 times.
tips to achieve
Counted only in room with 4 players and above.
Recommended master combat skill as airstrike can deal high damage to boss.
Destroyer TASK:Achieve 100 times of victory in New Zombie Shelter: Team Match.
tips to achieve
Play with Family members who also want to do this medal, then share the victory by doing it turn by turn.

Berserk
TASK:1000 Beast kills.
tips to achieve
1000 kills as a Yeti, not 1000 Beasts killed.
The fastest way is asking friends or family members to afk in other team and you become Yeti. Once the round start, kill all the enemies, maximum 400 kills per match.
Infecter TASK:Achieve 5000 human infections in Zombie Escape.
tips to achieve
ounted in room with 8 players and above. Volunteer to be infected and start infecting humans. Patience is the key to success.
If you can get 100 infections in 1 day, you can achieve the medal in 1 month and 2 weeks.
Escape specialist

TASK:Escape 3000 times in Zombie Escape.
tips to achieve
Be careful of what you are doing and where you are going.

CSO mania TASK :Online CSO for 2000 hours.
tips to achieve
167 days if you online 12 hours a day.
334 days if you online 6 hours a day.
667 days (1 year and 302 days) if you online 3 hours a day.
Specialist TASK :Complete special missions for 30 days in a row.
tips to achieve
Call friends for help to complete difficult special missions.
Note: ALL special missions requires more than 4 players to be counted except bot missions.
Perfectionist TASK :Succeed to clear all Daily Missions.
tips to achieve
Call friends or clan members for any difficult missions.
Compliment TASK :Achieve the best manner toward others.
tips to achieve
Achieve 500 Likes.
For youre healthy TASK :Play more than 24 hour non-stop.
tips to achieve
In case of getting disconnected, you will have 5 minutes to login in order to continue your progress.
Meister TASK :Successfully craft 300 weapons of any grade.
tips to achieve
Use 1-3 day Durability Material and any Combat Blueprints higher than D to save points.
Enchancer TASK :Successfully enhance weapon 100 times in Weapon Enhancement.
tips to achieve
Use Advanced Enhancement Kit to double the percentage of success.
Mother of Succes TASK :Fail 3000 times in Weapon Enhancement.
tips to achieve
Enhancing K3 with Normal Enhancement Kit is very recommended. Enhancer might be achieved first with this method.
Dream of Renewal TASK :Extend duration of a weapon until 1000 days to get it permanent.
tips to achieve
Need a lot of Duration Extenders.
Oh yeah(oye)

TASK :Craft a weapon permanently.
tips to achieve
Need Grade [S] Blueprint and Permanent Durable AND LUCK!!

Solo Troops TASK:Play the game more than 10 hours during the event period.
Tips to achieve
Note: don't need to play 10 hours continuously. Being idle at lobby will still count.
Bug Killer TASK:Kill 300 mosquitoes.
tips to achieve
Only available during Mosquito events. Approach the mosquitoes for better viewing and easier target.
Kite Expert TASK:Shoot down 300 kites.
tips to achieve
Only available during Lunar New Year events. The tips are similar to mosquito above.
Killer B

TASK:Blow out 300 balloons.
tips to achieve
Only available during Zombie Balloon events. Use high firepower weapons like Buff Series or high rate of fire machine guns.