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