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