Here is the full list of all 16 Human Resource Machine achievements. It takes around 6-8 hours to unlock all of the achievements on Windows.
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attempt to generate a number that is too big to store in green boxes
attempt to read or write with a tile on the floor that does not exist
solve any puzzle with at least 4x the number of steps required by the speed challenge
solve any puzzle with at least 4x the number of commands required by the size challenge
ask all bosses to tell you more
green path fully optimized
all levels complete. congratulations.
where's carol?
midnight petroleum
blue path fully optimized
sabbatical beach
employee morale insertion
orange path fully optimized
solve a puzzle for a specific set of inputs, while still failing with other possible inputs
coffee time