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