About
On Steam, 71% of 48 player reviews are positive (Mostly Positive). 1 person is playing it on Steam right now, with a peak of 4 in the last 30 days. It is Playable on Steam Deck.
A rogue-lite RPG about the 100-day challenge of Solaris, a Less magic power witch, and her sidekick Homu, with beautifully animated combat, quick-time events, and charming characters to interact with!
Games like Project Solaris
same kind of game, other series
Media
Releases
Platform
Date
September 21, 2026
Earliest full release on each platform; regional dates can differ.
PC and Steam Deck
Steam store pageSteam Deck: Playable runs, but may need some tweaks
Minimum
Recommended
OS
Windows10
-
Processor
Intel Core-i7
-
Memory
16 GB RAM
-
Storage
16 GB available space
-
Requirements and Deck status as listed on Steam, checked Oct 29, 2026.
Project Solaris player count
concurrent players on Steam1playing now5h ago
3peak today
430-day peak
4highest we have seenNov 1, 2026
Oct 23daily peak, last 12 daystoday
Players counted on Steam every one to six hours; the daily peak is the highest count of the day.
Project Solaris achievements
85 achievements on SteamRarest
Delivery!
0.2%
No Matter the Age
0.4%
An Inseparable Bond
0.5%
Proof of Like Mother, Like Daughter
0.7%
Friends
0.9%
Maphon
0.9%
All 85 achievements by how many players unlocked them
The Thunder Pop's Seal of Approval
0.9%
Go Easy on Me
1%
The Three Sages' Seal of Approval
1%
Proof of Best Friendship
1.4%
Going Out!
1.6%
Leaving the Nest
1.6%
Supporting Each Other
2%
Monsters
2.1%
Beyond the Sea
2.3%
Proof of the Silver Branch Inn Acting Manager
2.6%
Setting Sail with Trust
2.7%
Backed by Cheers
3%
A Good Friend
3%
Legacies and New Paths
3.5%
August's Past
3.6%
Things to Solve
3.7%
What was Gained
3.7%
Regret
4.2%
A Mage's Job
4.2%
What is Necessary
4.4%
The Value of Alchemy
4.7%
Decision
5%
Don't Hold Back
5.7%
Filial Piety
6%
The Start of My Story!
6.4%
Proud of My Strength!
6.5%
Once Upon a Time
6.5%
Combat Training
7.5%
The Second Trial?!
7.8%
Something Unavoidable
7.8%
I'll keep it in mine!
7.9%
Prehistoric Times
9.5%
Radical Cure
10%
A Pleasant Tea Time
11%
You've Done Something Bad!
12.1%
Zero Peace of Mind?
12.1%
New Goals, New Paths
14.3%
A Stubborn Side
16.1%
Combat Instruction
16.5%
An Unfamiliar Face
16.7%
The Have-Nots
20.4%
House Sitting
24.4%
Secret Snack Time
28.7%
The Ailing Old Man
30.3%
The Journey Begins
30.8%
[Project Solaris]
32.3%
A Kind Offer?
32.5%
Old Skills Never Die
34.7%
Something to Aim For
35.6%
Good Things About [The Island]
38.2%
Medicine
40.1%
An Unexpected Opponent
40.2%
The Final Ordeal
41.7%
An Unexpected Fact
41.8%
Resolve and Farewell
41.8%
After the Third Trial
44.8%
The Third Trial
45%
Something Hard to Say
45.1%
After the Second Trial
46.2%
The Second Trial
49%
A Common Tale
49.7%
An Unexpected Result!
49.8%
A Cute Neighbor?
52.9%
Curse of Blood
54.3%
Hom's Potential
55.9%
After the First Trial
57.9%
The First Trial
64.3%
Happy news
64.3%
She has a friend?
70.4%
Symbol of Reconciliation
72%
What kind of person is Ms. Melchior?
72.3%
After the First Challenge Won the battle on Day 20.
75.6%
The First Challenge Reached Day 20.
77.6%
First time Home in a Long time Selected a Rest Card on or after Day 10.
82.9%
Reunion Selected Battle cards 3 or more times.
85.8%
Troubled Mentor Selected Develop cards 1 or more times.
89.6%
Studio Silverbough's Owner Selected Shop keeper cards 1 or more times.
90.4%
Solaris's Goal Won the battle on Day 1.
94.6%
Homu is Born! Started the game.
97.2%
Share of Steam players who unlocked each achievement.