Here is the full list of all 89 Outpath achievements.
Integer limit.
Read the 8 letters.
Replace an island.
Rotate a block.
Build 750 builds.
Improve all skills to the maximum level.
Break a big rock in one blow without tools.
Eat a pizza, a hamburger and an ice cream.
Have all potion effects at the same time.
Change the material of a build to brick.
Sort items in a chest using a Stacker.
Change song on the radio.
ransform 15 creatures into bones.
Feed your companion.
Oops.
Sleep having in your inventory The Circle.
Craft The Circle
Plant a seed.
Eat a Seaweed.
Drink 1 potion.
Eat a cake.
Eat a Poisoned Apple.
Convert a Star Fragment into a Dark Star Fragment.
Get the circle part I.
Improve a skill with 7 points to the maximum.
Break a massive mushroom.
Remove color from a build.
Change the color of a build.
Reset the market for a value greater than 10000.
Craft a holy artifact.
Learn 50 skills.
Convert a Quadstone prism.
Break a tomb.
Too much height.
Touch 10 rings without touching the ground.
Break a star.
Change the name of a Teleporter.
Electrify a Vacuum
Craft 10000 items.
Have amber, emerald, sapphire and ruby in your inventory.
Gather 300 living souls.
Play for 100 in-game days.
Build 300 builds.
Don't use collectors until you complete the game.
Reach 1000000 credits.
Craft 5000 items.
Pat a chicken.
Research all buildings on a research table.
Build an Amplifier.
Kill with the scythe for the first time.
Build an Advanced Research Table.
Destroy 10000 resources.
Kill 250 creatures by hand.
Activate an island.
Build 150 builds.
Learn 25 skills.
Reach 100000 credits.
Kill 150 creatures by hand.
Build a Mining Post.
Destroy 5000 resources.
Craft 1000 items.
Kill a turtle after having stolen its shell.
Get 5000 credits in one go.
Kill 75 creatures by hand.
Destroy 2500 resources.
Build 50 builds.
Make a synergy.
Collect items from a collector with a full inventory.
Milk a cow.
Kill a slime.
Reach 10000 credits.
Visit your personal cave.
Speed up a craft.
Kill 25 creatures by hand.
Learn 8 skills.
Expand an island to the maximum.
Build a Breaker.
Craft 100 items.
Destroy 500 resources.
Steal a turtle shell.
Destroy 5 shinies.
Read a letter.
Buy your first monolith bundle.
Go swim.
Sleep during the day.
Learn your first skill.
Grow your island.
Equip a tool for the first time.
Punch a tree until wood pops out.