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