Ideas for challenges (part of ???)

[server]

1) Don't freeze near killing an Ice Zombie 300 times (P) 
Reward: 40 Coins, 300,000 UpgradePoints

2) Get lmmune damage to Exploding Zombies 120 times (P) 
Reward: 40 Coins, 300,000 UpgradePoints

3) Find a Penis in a Powerup 100 times
Reward: 100,000 UpgradePoint

4) Unluck
Find a Nothing 100 times
Reward: 100,000 UpgradePoints

5) Lust for Life 
Find lmmunity in a powerup 50 times when your health low (20 percent) 
Reward: Chance find lmmunity in last waves

6) Kill 50 Bosses in 1 wave by Tomahawk
Reward: 150,000 UpgradePoints

7) Cure your infection by finding lmmunity in Powerup 50 times
Reward: 20 Coins, 200,000 UpgradePoints

8) Buy Battery 5 Times
Reward: 100,000 UpgradePoints 500 Battery (For new players?)

9) Spend(use) 1,000 Energy at Time
Reward: 20 Coins, 200,000 UpgradePoints, 100 Battery

10) Stealthy Killer
Kill 10,000 Zombies when you are have Stealth
Reward: 100,000 UpgradePoints, Smaller cooldown for Stealths