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