Kill 100 zombies.

Kill 1000 zombies.

Kill 10000 zombies.

Automate the hydraulic generator supply.

Automate the biogenerator supply.

Discover 5 Points of Interest.

Discover 85 Points of Interest.

Reach level 5.

Kill 20 zombies in under 10 seconds using a chainsaw.

Use the Skewer skill to kill 7 enemies with one shot.

Kill 8 zombies in one shot using an explosion

Equip a full set of armor.

Dig up 10 chests.

Finish chapter 1.

Kill Mighty Daisy.

Kill Psycho Sophie.

Kill Charismatic Kaa.

Kill Merry Kong.

Upgrade the weapons workshop to its maximum level.

Upgrade the kitchen to its maximum level.

Complete the rocket's construction.

Bring 10 golden knives to Pedro.

Complete 4 different armor sets.

Craft a mythical weapon.

Craft 10 different mythical weapons.

Ride a zombie for 1000 meters.

Repair all the bridges.

Fire a flamethrower non-stop for 40 seconds.