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