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