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