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