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