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