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