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