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