Zombo Buster Rising achievements

Fully upgrade all characters.

Have the Rocketeer shoot 50 extra rockets.

Defeat Zombogod.

Have the Sniper kill 500 zombies.

Have the Rocketeer shoot 500 rockets.

Have the Gunner shoot 1000 bullets.

Have the Sniper shoot through 100 zombies.

Have 500 critical shots in total.

Rescue 15 refugees in total.

Kill 100 flying zombies.

Have the Sniper shoot 750 bullets.

Unlock the Rocketeer.