Here is the full list of all 13 Metal Dead achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Revive an old friend
Open the wrong crate
Introduce tire iron to cranium
Complete a mind-numbingly menial task
Mess around with some household chemicals
Kill the baby plant
Smoke the giant bud monster
Perfect balance of hot and cold
Mess around a little too much
Happy accidents will happen
Not even Arnie could survive that
Maybe you should knock first
Kill the source