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