Here is the full list of all 13 Overseas achievements.
Walk 2 kilometers without turning off any objects.
Fall off the landscape and survive.
Get caught in the rain.
Turn off all the objects.
Refrain from planting the tree for 1 minute.
Let the forest entrap you.
Keep the sun and 5 trees alive for 5 minutes.
Give up and meet the sunset.
Behold the power of IBORG and tremble!
Refrain from looking at the black hole for 1 minute.
Find an orphaned plastic bag.
Enter the black hole.
Turn the rudder 15 times in a row.