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