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