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