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