Here is the full list of all 35 Idle Pins achievements.
Discover 140 different Pins
Overcharge 1,000 Leaders
Get 10 S+ Rank tunes
Overcharge 1,000,000
Unlock The Tower
Play for 1 month
is Arkshija real?
Tune 10 different Pins
Join dev's streaming
Find 50 Slimes
Play for 10 days
Overcharge 100 Leaders
Overcharge 100,000 enemies
Discover 50 different Pins
Find 10 Slimes
Find a Slime
Play for 1 day
Overcharge 1,000 enemies
Redeem a code
Play for 1 hour
Tune your first Pin
Discover 10 different Pins
Finish the tutorial
Overcharge 10,000,000 enemies
Overcharge 50,000,000 enemies
Overcharge 10,000 Leaders
Tune 30 different Pins
Tune 60 different Pins
Get 50 S+ Rank tunes
Get 200 S+ Rank tunes
Get 400 S+ Rank tunes
Get 800 S+ Rank tunes
Play for 6 months
Practice some Alchemy
Max autofuse Upgrades