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Ad Infinitum

Ad Infinitum

When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?

Released Sep 14, 2023 Developer Hekate Publisher Nacon Platforms Windows HorrorActionPsychological HorrorFirst-PersonAtmospheric
View on Steam ↗ $3.99 (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.

80.3%positive934 reviews
Recommended · 29 found this helpful

“I recommend Setting german for all the the speaking parts and have english subtitles on it makes the game more immersive instead of the highly british voices but overall great game”

— a player, Steam review · 5 hrs played
Recommended · 11 found this helpful

“gorgeous looking game with a story and gameplay reminiscent of amnesia. i bought it on discount, and the game is much more than worth it at the discounted price.”

— a player, Steam review · 6 hrs played
Not recommended · 1 found this helpful

“Several negative reviews for this game mention going into it thinking its something its not. This game is a walking sim, similar to Layers of Fear or a horror themed What Remains of Edith Finch. That was the expectation I had going into the game, and yet I am still pretty…”

— a player, Steam review · 2 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-24 00:58 UTC · history via SteamCharts.

10playing at last check
2724-hour peak
119all-time peak
0 25 50 2024 2025 2026 28 avg · Sep 2023

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.

29achievements
16.9%median completion
2.5%rarest: Their names
84.8% of players 84.2% of players 60.0% of players 52.0% of players 40.4% of players 35.8% of players 33.4% of players 29.0% of players 24.8% of players 21.3% of players 20.5% of players 20.4% of players 18.1% of players 17.6% of players 16.9% of players 15.3% of players 13.4% of players 13.3% of players 11.6% of players 9.4% of players 9.0% of players 8.7% of players 5.4% of players 5.3% of players 3.1% of players 3.1% of players 2.6% of players 2.5% of players 2.5% of players 84.8% 0% most earned rarest
Almost everyone has
84.8%Morgengrauen — Finish the Prologue.
84.2%Path of Despair — Hidden achievement
60.0%Not alone — Have a seance.
Rarest badges of honor
2.5%Their names — Find all french identification bracelets.
2.5%Despair — Hidden achievement
2.6%No one left behind — Find all german identification plates.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.

$3.99−90% right nowcurrent · sampled 2026-07-26 08:39 UTC
$39.99base price
$3.99lowest since tracking began2026-07-25
US3.99 USD−90%
EU3.99 EUR−90%
UK3.49 GBP−90%
Australia5.85 AUD−90%
Canada5.19 CAD−90%
Japan450 JPY−90%
Brazil10.99 BRL−90%
China17.30 CNY−90%

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

Brazil≈$2.2 China Japan Canada US Australia EU UK≈$4.7

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

Latest official news

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

Nov 21, 2023
Nominate us at the Steam Awards!

The Steam Awards are here, it's time to pick your favorite games of the year. If you liked Ad Infinitum, you can nominate it for the "Best Soundtrack" Award!

Oct 26, 2023
Patch Note | v1.0.5.270558

Greetings everyone, Our second patch for Ad Infinitum is finally here! All changes are available below. Please note some fixes are hidden as not to spoil the story. Reveal them at your own risks! Glob

Oct 10, 2023
Patch Note | v1.0.4.270196

Hello everyone, We want to thank you for your feedback on Ad Infinitum, and for your patience. This first patch addresses a copious amount of issues the community made us aware of, and other bugs we f

Sep 18, 2023
The Sounds of Horror

Crafting an immersive game world requires captivating audiovisuals that envelop players within a virtual realm . If you’re successful with this, players can then enter a "magic circle," where the boun

Sep 14, 2023
Ad Infinitum is OUT NOW!

Greetings everyone! It is with immense pleasure and proudness that we're finally releasing Ad Infinitum on PC! We sincerely hope you'll enjoy the game as much as we did making it. If there are any iss

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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.

GenresAction, Adventure
Player tagsHorror · Action · Psychological Horror · First-Person · Atmospheric · Survival Horror · Singleplayer · Dark · Gore · Survival · Adventure · Indie (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Cloud · Family Sharing
LanguagesEnglish * , French * , Italian, German * , Spanish - Spain, Japanese, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Thai, Traditional Chinese, Turkish, Korean *
ControllerFull support
Achievements29
Estimated owners50,000 – 100,000 (SteamSpy)
Official sitehttp://ad-infinitum-game.de/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Processor: Intel Core i5-8400 or AMD Ryzen 5 1600X Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 750 Ti, 2 GB or AMD Radeon RX 7850, 2 GB or Intel Arc A380, 6 GB DirectX: Version 11 Storage: 21 GB available space Additional Notes: To run at Low 720p @ 30 FPS