Unlock every zombie character sticker

In a single playthrough, play each of the spawned minigames at least once.

Kill Ruben Rainbow 99 times

Survive 180 seconds on Pacifist Island

Take once a day for a week

Play the game on Credits Island

Fill 50% of the stickerbook

You're the life and soul of the party.

Infect 10000 red cells in infection

Keep running for at least 15 seconds in Pacifist Island

Play the game, in a game, in a game

Stay alive for at least 3:33 in cabinet view on Zombat

Keep the air-raid siren going for at least 40 seconds