Full list of all 21 Gemini: Heroes Reborn achievements worth 1,000 gamerscore. It takes around 4-5 hours to unlock all of the achievements on Xbox One.
Found 30 Secrets
Paradox Detected
Completed Temporal Loop
Sisters
Dug Deeper
Caught 10 Rockets
Best Friends Forever
Found What You Were Looking For
You Threw 1000 Things
Escaped the Prison
Made it to the Elevator
Uncovered Alex
Package Delivered
Survived the Elevator Battle
Introduced to Mason
Learned Time Stop
You killed a dozen enemies via Deathtraps
You Died
Learned Telekinesis
Learned Time Scout and Time Shift
Finished the Opening Tutorial