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