Here is the full list of all 24 Dispersio achievements.
Find the crystal
Escape from factory
Escape from egyptian pyramid
Escape from caves
Escape from catacombs
Escape from sewers
Escape from arctic iceberg
Escape from mountain
Go through the space station
Finish the game
Find the crystal in hard mode
Escape from factory in hard mode
Escape from egyptian pyramid in hard mode
Escape from caves in hard mode
Escape from catacombs in hard mode
Escape from sewers in hard mode
Escape from arctic iceberg in hard mode
Escape from mountain in hard mode
Go through the space station in hard mode
Finish the game in hard mode
Visit each location on each map in one run
Collect all items in one run
Complete the game in under than 35 minutes
Become a Captain Viridian