iGamesBox
Back to Project Solaris
Steam

Project Solaris Achievements

Official Steam achievement definitions and latest reported global unlock rates, ordered from rarest to most common.

Total achievements85
Rarest rate0.200%
Ultra rare8
Last checkedOct 21, 2026
Delayed official data

Rates and award counts were last observed on Oct 21, 2026.

21
August's Past

No public description is available.

Very rare
3.50%last reported global rate
22
Legacies and New Paths

No public description is available.

Very rare
3.60%last reported global rate
23
Things to Solve

No public description is available.

Very rare
3.60%last reported global rate
24
What was Gained

No public description is available.

Very rare
3.60%last reported global rate
25
Regret

No public description is available.

Very rare
4.20%last reported global rate
26
What is Necessary

No public description is available.

Very rare
4.30%last reported global rate
27
The Value of Alchemy

No public description is available.

Very rare
4.50%last reported global rate
28
Decision

No public description is available.

Rare
5.00%last reported global rate
29
Don't Hold Back

No public description is available.

Rare
5.60%last reported global rate
30
Filial Piety

No public description is available.

Rare
6.10%last reported global rate
31
The Start of My Story!

No public description is available.

Rare
6.10%last reported global rate
32
Proud of My Strength!

No public description is available.

Rare
6.20%last reported global rate
33
Once Upon a Time

No public description is available.

Rare
6.50%last reported global rate
34
Combat Training

No public description is available.

Rare
7.20%last reported global rate
35
The Second Trial?!

No public description is available.

Rare
7.40%last reported global rate
36
Something Unavoidable

No public description is available.

Rare
7.90%last reported global rate
37
I'll keep it in mine!

No public description is available.

Rare
8.00%last reported global rate
38
Prehistoric Times

No public description is available.

Rare
8.50%last reported global rate
39
Radical Cure

No public description is available.

Rare
9.90%last reported global rate
40
A Pleasant Tea Time

No public description is available.

Rare
10.9%last reported global rate