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