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