Here is the full list of all 103 Forager achievements. It takes around 60-80 hours to unlock all of the achievements on Windows.
Collect every artifact
Help the Fox
Solve the Skull Galaxy puzzle
Collect every seal
Complete every museum bundle
Complete the museum Building bundle
Eat a gem
Solve the Fire Galaxy puzzle
Help the Wizard
Buy every land
Have 100,000 coins
Learn every skill
Complete the museum Archaeology bundle
Have 100 poop in your inventory
Get a Void gear item
Complete the museum Alchemy bundle
Craft 10,000 items
Solve the Frozen Galaxy puzzle
Dig up an archaeology item
Solve the Ancient Galaxy puzzle
Complete the Crystal Cave
Complete the museum Foraging bundle
Destroy 100 gravestones
Defeat the Slime King
Kill 3 enemies or more with a single sword slash
Complete the Skull Maze
Find 3 secret rooms
Obtain a sigil
Water 100 seeds
Plant 100 seeds
Help the Engineer
Activate a droid
Complete the museum Cooking bundle
Complete the museum Trapping bundle
Complete the museum Farming bundle
Open 20 big treasure chests
Complete the Fire Temple
Dodge 10 attacks
Win the ice wizard challenge
Help the Old Man
Help the Goblin
Complete the museum Mining bundle
Fail miserably at a trivia minigame
Mine the giant crystal
Help the Princess
Help the Fairy Queen
Own 10 lands and 5,000 coins
Dodge a lethal attack
Gather royal steel or royal clothing
Complete the Ancient Tomb
Have 5,000 items in your inventory
Dig up 50 items
Kill a magic deer
Have one of each gem in your inventory
Build 20 structures
Catch 50 fish
Play the game for 3 hours
Have 100 jelly in your inventory
Craft 500 furnace items
Kill 100 enemies
Open a skull chest
Have 1,000 items in your inventory
Kill all giant beets
Help the Druid
Own 5 lands
Have 10 max health
Complete a dungeon without taking damage
Perform a challenging blood ritual
Kill an enemy with a single arrow shot
Win the jackpot at a slot machine
Use a bottled rainbow
Have 3 bombs active at once
Die 10 times
Have 1,000,000 coins
Craft 2,000 coins
Build 200 structures
Build on top of every water tile
Find every secret room
Shoot 100 arrows
Bottle 100 critters
Talk to every NPC
Complete every NPC quest
Help the Ghost
Open all big treasure chests
Collect every tool and weapon
Collect every accessory
Achieve every other feat
Reach Void level 5
Reach Void level 10
Reach Void level 20
Reach Void level 30
Light all torches in the Skull Maze
Get a Cosmic gear item
Defeat the Skeleton King
Defeat the Dark Beet
Make 1 million coins using banks
Upgrade all rods
Have 1,000,000,000 coins
Have 1,000,000,000,000 coins
Defeat the Toxic Guardian
Obtain a Nuclear tier item
Upgrade a structure to use nuclear power
Own 100 nuclear structures at once