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