Here is the full list of all 19 Murder Miners achievements.
Murder the flag in a 6+ player game
Reach level 10 as a Zombie in a 6+ player game
Cast your holy spittle on 10 filthy unbelievers.
Win Free For All with 6+ players
Get a +4 against humans in a 6+ player game
Get 2 human headshots with a single sniper shot in a 6+ player game
Get a +20 in Survival Mode
Get a +2 against humans in a 6+ player game
Destory 100 blocks as a zombie in a 6+ player game
Win Infection with 6+ players
Be the last human alive in a 6+ infection game
Grab 5 Humans as a Zombie in a 6+ player game
Placed 1000 Individual Blocks with the Miner Gun
Win 10 Games
Get a +2 as a zombie in a 6+ player game
Kill 50 AI Zombies
Get a +8 against humans in a 6+ player game
Get 50 total Minergun kills in games with 6+ players
Get 10 total kills with the Murderbike