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