First Zombie Killed

Rescue chopper was found

Merchant was met

Some money spent

Frog defeated

Slime defeated

Bat defeated

An enemy was thrown off buildings

10 enemies were thrown off buildings

Mini-boss defeated

A power-up was used

5 power-ups were used

8 power-ups were used

A shield was upgraded

The gem fusion options was used in the shop

Level 19 beaten

Level 20 beaten