Full list of all 13 TEMPUS - Level Escape achievements worth 1,000 gamerscore. It takes around 0.5-1 hour to unlock all of the achievements on Xbox One.
Play the prologue
Play on year 2200
Play on year 2400
Play on year 4400
Play on year 24400
Play on year 224400
Finish the Game
Connect the Battery
Find the glasses
Activate the portal
Break the machine
Connect them all
Broke the statue