The v2.4.2 Title update for Idle Spiral has 10 achievements.
Reach T27
Reach T50
Reach T90
Get “The secret of a triangle”
Get “The secret of the Universe”
Get “Unprecedented Number”
Get “The Soul of Gauss”
Reach the attack speed cap
Reach 1 Understanding level of Pythagorean theorem
Reach 1 Understanding level of Archimedes' spiral