Here is the full list of all 20 Sugar Cube: Bittersweet Factory achievements.
Clear cola factory without dying
Clear gum factory without dying
Clear candy factory without dying
Clear chocolate factory without dying
Clear cookie factory without dying
Collect Sugar Peridot
Clear all levels with true ending
Collect Sugar Topaz
Collect Sugar Sapphire
Clear all levels with normal ending
Collect Sugar Emerald
Collect Sugar Garnet
Collect Sugar Ruby
Jump over 1000 times
Collect Sugar Platinum
Flip over 10000 panels
Collect Sugar Opal
Collect Sugar Diamond
Collect Sugar Crystal
Clear the 1st level