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