Stubborn
Shoot 2000 bullets at a single boss.
Reward: 300,000 UpgradePoints
Universal
Kill 10,000 zombies with each weapon from weapon-shop
Reward: 30 coins, 400,000 UpgradePoints, 2 SkillPoints (most likely, it will be difficult to implement)
Survivor or Second life
Get killing damage for 1 hit by zombie without death
Reward: 1 SkillPoint
(idk name)
Collect 100,000 Energy for other players
Reward: higher radius for collector (if it is already large, then reduce it, and after completing it, do as it is now)
Ruthless
Kill 1000 players with shot to burning zombies
Reward: players get lesser damage from burning zombies from your shot
Multikiller
Kill 3 zombies for 1 shot from weapon 5000 times
Reward: 100,000 UpgradePoints
(idk name)
Get slowed near Hitler and run away from him without death. Distance to Hitler is several meters.
Reward: 80,000 UpgradePoints, 1 SkillPoint. Also can Slow is 1-2 seconds faster or less damage from Hitler jumps or smaller radius from Hitler to get slow.
Remind of two challenges:
1) Use Damage X2 1000 times. For 15 seconds or more
Reward: 50,000 UpgradePoints (I think it's unlikely to be added, but damage could be increased a little)
2) Use NightVisor 1000 times. For 10 seconds or more.
Reward: 50,000 UpgradePoints
Shoot 2000 bullets at a single boss.
Reward: 300,000 UpgradePoints
Universal
Kill 10,000 zombies with each weapon from weapon-shop
Reward: 30 coins, 400,000 UpgradePoints, 2 SkillPoints (most likely, it will be difficult to implement)
Survivor or Second life
Get killing damage for 1 hit by zombie without death
Reward: 1 SkillPoint
(idk name)
Collect 100,000 Energy for other players
Reward: higher radius for collector (if it is already large, then reduce it, and after completing it, do as it is now)
Ruthless
Kill 1000 players with shot to burning zombies
Reward: players get lesser damage from burning zombies from your shot
Multikiller
Kill 3 zombies for 1 shot from weapon 5000 times
Reward: 100,000 UpgradePoints
(idk name)
Get slowed near Hitler and run away from him without death. Distance to Hitler is several meters.
Reward: 80,000 UpgradePoints, 1 SkillPoint. Also can Slow is 1-2 seconds faster or less damage from Hitler jumps or smaller radius from Hitler to get slow.
Remind of two challenges:
1) Use Damage X2 1000 times. For 15 seconds or more
Reward: 50,000 UpgradePoints (I think it's unlikely to be added, but damage could be increased a little)
2) Use NightVisor 1000 times. For 10 seconds or more.
Reward: 50,000 UpgradePoints