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