Full list of all 32 Idle Spiral achievements. It takes around 200 hours to unlock all of the achievements in the base game on Windows.
The base game contains 22 achievements, and there is 1 DLC pack containing 10 achievements.
Upgrade g 2000 times
Upgrade f 2000 times
Upgrade c 4000 times
Upgrade d 3000 times
Upgrade b 5000 times
Reach T15
Upgrade e 2000 times
Defeat PI
Reach T10
Reach T5
z reaches 100
Reach T2
Defeat Beta
Do Tornado Prestige for the first time
Upgrade a 10000 times
Defeat Alpha
Defeat Kappa
Do Prestige for the first time
Upgrade k 10000 times
Do omega Prestige for the first time
r reaches 1K
Defeat training
Reach T90
Get “The secret of the Universe”
Get “The secret of a triangle”
Get “The Soul of Gauss”
Get “Unprecedented Number”
Reach 1 Understanding level of Archimedes' spiral
Reach T50
Reach 1 Understanding level of Pythagorean theorem
Reach the attack speed cap
Reach T27