Full list of all 8 Heroes of Time achievements.
The base game contains 6 achievements, and there are 2 DLC packs containing 2 achievements.
Travel in the time machine
Always keep it a secret that came from the future
Defeat Tron and Tacnon without reviving the ancestor
Win all the coliseum challenges
Finish the game in the best possible way
Achieve all goals
Relive the ancestor
Don't get Omega gun