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