Here is the full list of all 13 Pan-Pan achievements.
Hello world. Greet all creatures.
Let the stick do the talking. Smack all creatures with the stick.
Beat the game.
Collect 100 fuel seeds.
Find the old crashed ship.
Visit most of the places in the world.
Smack a lot of stuff with the stick.
Collect 1 fuel seed.
Collect 10 fuel seeds.
Deliver a piece to the broken ship.
Find the battery part needed to fix your broken ship.
Steal an egg.
Travel 10000 meter in the world.