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