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