Something mysterious kills you.
Die from a hard fall.
Catch on fire.
Enable extended boost with the jetpack.
Survive the game without dying.
Die every possible way on the planet.
Spend 15 minutes in the town.
Solve a puzzle with the robotic arm.
Make a long and difficult jump with the jetpack.
Don't follow the footprints in a dangerous area.
Collect 10 science samples.
Collect 15 science samples.
Read 20 documents.
Finish the game in under 4 hours.
Play the game for more than 10 hours.