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