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