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