Here is the full list of all 14 Tales of Cosmos achievements.
Discover all celestial objects.
Land on the same planet four times in succession.
Launch a spacecraft.
Explore your boundaries.
Show 30 items to Perseus.
Help out and make friends.
Follow your hunter instincts.
Manipulate time.
???
Overcome your opponent and gain freedom.
When all else fails, keep on trying.
Jump 100 times.
Complete the game without ever missing a hit, throw, catch or shot.
Assume command over Shuttle's Bane.