Here is the full list of all 27 Zombie Watch achievements.
100 Zombie Kills
500 Zombie Kills
1000 Zombie Kills
5000 Zombie Kills
10000 Zombie Kills
Beginner Lumberjack
Lumberjack
Skilled Lumberjack
Master Lumberjack
Survivalist
Beginner Survivalist
Skilled Survivalist
Master Survivalist
Expert Lumberjack
Expert Survivalist
Miner
Beginner Miner
Skilled Miner
Expert Miner
Master Miner
Horse Whisperer
You Got Skills
Hunter
Skilled Hunter
Master Hunter
Beginner Hunter
Expert Hunter