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Solium Infernum

Solium Infernum

Take the Infernal Throne in this hellish turn-based grand strategy game. The Prince of Darkness has vanished, leaving Archfiends to conspire: muster your legions while intoning dark sorceries, devilish schemes, and machiavellian plots. Who will be the new ruler of Hell and ascend the Throne?

Released Feb 22, 2024 Developer League of Geeks Platforms Windows StrategyTurn-Based StrategyPoliticsGrand StrategyDiplomacy
View on Steam ↗ $39.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

87.8%positive1,486 reviews
Recommended · 14 found this helpful

“Most strategy games treat diplomacy as a convenience or after thought. You build an army, attack, and if diplomacy exists at all, it's a side feature you can safely ignore. Solium Infernum flips that completely. Diplomacy is the battlefield, and your army is just an instrument…”

— a player, Steam review · 12 hrs played
Recommended · 11 found this helpful

“My Friends and I were hooked, but affter having played a few games they don't talk to me anymore 11/10 But seriously this game is really really good. There's an excellent depth to the mechanics, and there is rarely a situation in the game that cannot be escaped through clever…”

— a player, Steam review · 336 hrs played
Not recommended · 21 found this helpful

“I love this game, it's absolutely incredible and a wonderful tribute to a weird quirky digital boardgame from years gone by. The art, the music, everything is superb. But it has literal game breaking bugs that cannot be avoided and will brick your run. Pray that your Prophecy…”

— a player, Steam review · 81 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:55 UTC · history via SteamCharts.

21playing at last check
2424-hour peak
1,108all-time peak
0 500 1k 2025 2026 645 avg · Feb 2024

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

48achievements
12.8%median completion
1.5%rarest: Abyssal Pest Control
70.7% of players 55.0% of players 51.6% of players 42.4% of players 40.7% of players 39.3% of players 39.0% of players 37.6% of players 37.4% of players 36.8% of players 33.8% of players 33.1% of players 28.7% of players 28.3% of players 27.4% of players 25.0% of players 23.2% of players 21.5% of players 21.5% of players 20.3% of players 18.3% of players 17.7% of players 16.6% of players 13.1% of players 12.8% of players 12.7% of players 12.6% of players 11.7% of players 11.3% of players 10.3% of players 9.0% of players 8.7% of players 7.9% of players 6.2% of players 6.0% of players 5.7% of players 5.6% of players 4.6% of players 4.5% of players 4.1% of players 3.4% of players 3.2% of players 3.0% of players 2.7% of players 2.2% of players 2.1% of players 2.0% of players 1.5% of players 70.7% 0% most earned rarest
Almost everyone has
70.7%Spite Repaid — Win a Vendetta.
55.0%Infernal Affairs — Complete a Simple Scheme.
51.6%Your Dark Power Grows — Unlock an additional Order Slot by raising a Power to level 4.
Rarest badges of honor
1.5%Abyssal Pest Control — Destroy 66 Abyss Striders across any number of games.
2.0%Dark Liberator — Removed a Usurper and returned control to the Conclave.
2.1%Dark Priest — Invoke 6 Treatise Manuscripts across any number of games.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$39.99current · sampled 2026-07-26 08:39 UTC
$27.99lowest since tracking began2026-07-15
US39.99 USD
EU38.99 EUR
UK33.50 GBP
Australia58.50 AUD
Canada51.99 CAD
Japan4,500 JPY
Brazil107.99 BRL
China136.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$20 Brazil Japan Canada US Australia EU UK≈$45

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-14 07-17 07-20 07-23 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Apr 30, 2026
The 'Pinnacle to the Pit' Update Open Beta Commences!

We're proud to (finally!) announce that the Open Beta for the Pinnacle to the Pit update is NOW LIVE.How to JoinRight-click on Solium Infernum in your Library games list and select 'Properties'.Naviga

Feb 23, 2026
Announcing 'The Pinnacle to the Pit' Beta

Greetings fiends! We’ve risen from the abyss once again to announce Solium Infernum’s upcoming Second Anniversary Update: Pinnacle to the Pit! This work-of-love behemoth of an update is filled with al

Oct 16, 2025
Small patch to resolve Unity vulnerability CVE-2025-59489

Hey friends, We just pushed a small patch to all League of Geeks titles to resolve the recently discovered vulnerability in some older versions of Unity (Issue ID: CVE-2025-59489). There has already b

Jul 16, 2025
Ritual Screen Now Buttery Smooth - Minor Patch v1.1.3p2 now live!

Greetings Archfiends! In our most vile of delicious decisions we have opted to expend worthy tribute in the pursuit of increasing the performance of the Ritual screen. Whilst performance will vary on

Mar 18, 2025
Hotfix 1.1.3p1

A messenger from the underworld approaches... Thanks to everyone for the incredible reception to the Anniversary Update, and especially for reporting those bugs! We've got some fixes for you... BUGFIX

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresIndie, Strategy
Player tagsStrategy · Turn-Based Strategy · Politics · Grand Strategy · Diplomacy · Political · Conspiracy · Asynchronous Multiplayer · Choices Matter · Demons · Psychological Horror · Dark Fantasy (SteamSpy community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · Steam Achievements · Steam Trading Cards · Steam Cloud · Steam Turn Notifications
LanguagesEnglish * , French, Italian, German, Spanish - Spain, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese *
Achievements48
Estimated owners100,000 – 200,000 (SteamSpy)
Official sitehttps://www.soliuminfernum.com
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 64-bit Processor: Intel® Core™ i5-7400 Memory: 8 GB RAM Graphics: NVIDIA® GeForce® GTX 1050 Ti DirectX: Version 11 Storage: 8 GB available space Additional Notes: Benchmarked at 1920x1080, 30FPS, on 'Low' Settings.