WebKit

Hint: you can sell your towers, by clicking "sell" and tapping usellest... guns?

card-wfbK

Enables auto-buying, gives 20 diamonds and a cool suit. 

A pet walking near you if feeling lonely.

Creates black holes pretty fastly, which deal damage to zombies, sucks them in and create slashes which also deal damage.

Attacks with 2 magic beams, which deal tons of damage to the enemy. The attacking enemy is creating a damaging explosion every second.

Attacks zombies with a beam, which, after a time attacking one enemy, transforms into a stronger beam which is dealing even more damage.

Castle defense! A Castle, Defense, Castledefense game by @HeresTheBro, playable free in your browser on Castle.