Here is the full list of all 32 Idle Zombies Clicker achievements.
Play for 10 hours
Defeat 1000 bosses
Earn 10M gold
Complete 1000 levels
Buy 100 upgrades
Complete the game 10 times
Defeat 100 bosses
Complete the game 5 times
Complete 100 levels
Earn 100K gold
Kill 1000 enemies
Buy 10 upgrades
Complete the game once
Defeat 10 bosses
Play for 1 hour
Buy all helpers
Complete 10 levels
Buy 50 helpers
Buy 1 upgrade
Buy 10 helpers
Earn 1K gold
Kill 100 enemies
Defeat one boss
Buy 1 helper
Kill 10 enemies
Complete 1 level
Earn 10 gold
Kill 1 enemy
Kill 10000 enemies
Earn 1B gold
Buy 1000 upgrades
Play for 100 hours