Here is the full list of all 23 39 Days to Mars achievements.
Drink 39 cups of perfect tea.
Finish 39 Days to Mars without ever failing a puzzle.
Capture all the specimens without cleaning up.
Finish 39 Days to Mars with one player.
Capture 39 specimen for the specimen tank.
Complete 39 Days to Mars in less than 20 minutes.
Complete 39 Days to Mars in less than 30 minutes.
Fail everything and still make it to Mars.
Play through 39 Days to Mars in one sitting.
Break 39 asteroids while mining for coal.
Fix the water leak on the first attempt.
Land on Mars.
Defeat the giant space kraken.
Capture all the specimens and clean up afterwards.
Collect enough coal without running out of oxygen.
Fix the ships controls on the first attempt.
Make 39 cups of awful tea.
Embark on an adventure without completing the volatile helioscopic password generator.
Leave the fire hydrant running when you embark.
Finish 39 Days to Mars with two players.
Crash on Mars.
Get eaten by the giant space kraken.
Fail at something.