Overview[]
Bonuses (aka Upgrades or Perks) are special abilities/effects that are granted to the player whenever he reaches 100 killed zombies. Once he kills 100 zombies, he is granted the option to get one of the many bonuses a player can get, which are listed by level down below. The effects only stacks up to 3. Once you get to 3, you can't upgrade the same bonus anymore.
| Level 1 | |
|---|---|
| Name | Effect & Description |
| Spike | You can select this bonus to be able to place a Spike. |
| Low Wall | You can select this bonus to be able to place a Low Wall. |
| Level 2 | |
| Speed Boost | Your walking speed is increased. |
| Health Bonus | Gives the player higher max Health. |
| Shield Bonus | Gives the player higher max Shield. |
| Money Boost | Money gained by breaking buildings and killing zombies increases. |
| Level 3 | |
| Oil Bonus | Increases the amount of Oil picked up. |
| Pistol Upgrade | Makes the Pistol slightly stronger. |
| Rocket Bonus | Increases the amount of Rockets picked up. |
| Bullet Bonus | Increases the amount of Bullets picked up. |
| Level 4 | |
| Driver | Speed up and slow down faster. |
| Money Printer | You can select this bonus to be able to place a Money Printer. |
| Booster | You can select this bonus to be able to place a Booster. |
| Level 5 | |
| Speed Boost (2) | Your walking speed is increased. |
| Health Bonus (2) | Gives the player higher max Health. |
| Shield Bonus (2) | Gives the player higher max Shield. |
| Money Boost (2) | Money gained by breaking buildings and killing zombies increases. |
| Level 6 | |
| Self-defense Robot | You can select this bonus to be able to place a Self-defense Robot. |
| Landmine | You can select this bonus to be able to place a Landmine. |
| Turret | You can select this bonus to be able to place a Turret. |
| Level 7 | |
| Oil Bonus (2) | Increases the amount of Oil picked up. |
| Pistol Upgrade (2) | Makes the Pistol slightly stronger. |
| Rocket Bonus (2) | Increases the amount of Rockets picked up. |
| Bullet Bonus (2) | Increases the amount of Bullets picked up. |
| Level 8 | |
| Speed Boost (3) | Your walking speed is increased. |
| Health Bonus (3) | Gives the player higher max Health. |
| Shield Bonus (3) | Gives the player higher max Shield. |
| Health Regeneration | Regenerates health without any external source. |
| Shield Regeneration | Regenerates shield protection without any external source. |
| Money Boost (3) | Money gained by breaking buildings and killing zombies increases. |
| Level 9 | |
| Machine Gun Upgrade +1 | Machine Gun is more effective. |
| Flamethrower Upgrade +1 | Flamethrower is more effective. |
| Rocket Launcher Upgrade +1 | Rocket Launcher is more effective. |
| AK-47 Upgrade +1 | AK-47 is more effective. |
| Shotgun Upgrade +1 | Shotgun is more effective. |
| Sniper Upgrade +1 | Sniper is more effective. |
| Level 10 | |
| Speed Boost (4) | Your walking speed is increased. |
| Health Bonus (4) | Gives the player higher max Health. |
| Shield Bonus (4) | Gives the player higher max Shield. |
| Health Regeneration | Regenerates health without any external source. |
| Shield Regeneration | Regenerates shield protection without any external source. |
| Money Boost (4) | Money gained by breaking buildings and killing zombies increases. |
| Level 11 | |
| Metal Wall | You can select this bonus to be able to place a Metal Wall. |
| Metal Spike (w/Spike) | You can select this bonus to be able to place a Metal Spike. |
| Low Metal Wall (w/Low Wall) | You can select this bonus to be able to place a Low Metal Wall. |
| Level 12 | |
| Speed Boost (5) | Your walking speed is increased. |
| Health Bonus (5) | Gives the player higher max Health. |
| Shield Bonus (5) | Gives the player higher max Shield. |
| Health Regeneration | Regenerates health without any external source. |
| Shield Regeneration | Regenerates shield protection without any external source. |
| Money Boost (5) | Money gained by breaking buildings and killing zombies increases. |
| Level 13 | |
| Bulldozer | Your vehicles do more damage. |
| Turret Detection | Enemy turrets no longer detect you. |
| Level 14 | |
| Oil Bonus (3) | Increases the amount of Oil picked up. |
| Pistol Upgrade (3) | Makes the Pistol slightly stronger. |
| Rocket Bonus (3) | Increases the amount of Rockets picked up. |
| Bullet Bonus (3) | Increases the amount of Bullets picked up. |
| Level 15 | |
| Speed Boost (6) | Your walking speed is increased. |
| Health Bonus (6) | Gives the player higher max Health. |
| Shield Bonus (6) | Gives the player higher max Shield. |
| Health Regeneration | Regenerates health without any external source. |
| Shield Regeneration | Regenerates shield protection without any external source. |
| Money Boost (6) | Money gained by breaking buildings and killing zombies increases. |
| Level 16 | |
| Machine Gun Upgrade +1 | Machine Gun is more effective. |
| Flamethrower Upgrade +1 | Flamethrower is more effective. |
| Rocket Launcher Upgrade +1 | Rocket Launcher is more effective. |
| AK-47 Upgrade +1 | AK-47 is more effective. |
| Shotgun Upgrade +1 | Shotgun is more effective. |
| Sniper Upgrade +1 | Sniper is more effective. |
| Level 17 | |
| Turret Upgrade (w/Turret) | Your turrets explode when they run out of durability. and do more damage. |
| Improved Landmine (w/Landmine) | Increases the radius of the Landmine explosion. |
| Level 18 | |
| Speed Boost (7) | Your walking speed is increased. |
| Health Bonus (7) | Gives the player higher max Health. |
| Shield Bonus (7) | Gives the player higher max Shield. |
| Health Regeneration | Regenerates health without any external source. |
| Shield Regeneration | Regenerates shield protection without any external source. |
| Money Boost (7) | Money gained by breaking buildings and killing zombies increases. |
| Level 19 | |
| Metal Turret (w/Turret) | You can select this bonus to be able to place a Metal Turret. |
| Level 19+ | |
| None | |