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