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