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