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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?
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-13.
What reviewers agree on
52 of the 100 reviews raise this.
“Just listen to One from Metallica and you'll get the gist of the game and not have to go through any of the mostly boring parts that comprise this horror walking simulator. https://www.youtube.com/watch?v=V4d-fn29eNk…”
“I bought it when it was on sale. The story is really good—it’s about Paul and his family. It has three endings: a happy one where you ,,save,,; a second one where you can become a war hero ; and a third one—well, I…”
“I don't understand why the reviews of this game are so bad. The price is too hight, that's true, but for example now it's on sale at less than 5$ which is a steal. The game is not even so short as people say because if…”
26 of the 100 reviews raise this.
“It is a strange and gorgeous game about World War I and how war is bad. It's worth a look simply because how pretty it is. You won't be surprised by the included gameplay, which is almost stock standard for all the…”
“I think I played it at the wrong time and it didn't really grab me, but it's a good horror game with above-average production. It's reminiscent of Amnesia and similar titles but with a setting from the First World War.”
“The game started great, loved the mansion asthetics and design. Great props the team that made that happen. The game just went on and on switching directions. At first it seems like a Psychological horror with a twist…”
26 of the 100 reviews raise this.
“I bought it when it was on sale. The story is really good—it’s about Paul and his family. It has three endings: a happy one where you ,,save,,; a second one where you can become a war hero ; and a third one—well, I…”
“I am glad I didnt pay $45+ on this, but I am also glad I got around to playing this game. The world is beautiful, the designs are top tier, although most of the game is a walking sim (probably 80% of it) the game was a…”
“It's a pretty solid horror walking simulator.”
12 of the 100 reviews raise this.
“I don't understand why the reviews of this game are so bad. The price is too hight, that's true, but for example now it's on sale at less than 5$ which is a steal. The game is not even so short as people say because if…”
“I'm at a loss for words. This game holds so much and really makes you work through a lot of feelings you might also have. It's a compelling story and can only recommend playing it. It's worth it, trust me.”
“If All Quiet on the Western Front was made as a game with a psychological horror theme this is the game you would get. I rarely finish games but could not put this down. There are some rough edges but looking past this…”
11 of the 100 reviews raise this.
“I absolutely love the amazing soundtrack. Very hard hitting audio\visual visceral emotional experience. Well made and reminiscent of Amnesia with similar mechanics but in its own world completely. Got it on sale. Well…”
“Loved the atmosphere, the story and the soundtrack. I encountered a few small bugs here and there, and 2 translation errors, but it's otherwise an amazing game.”
“Polished graphics, great sound design, thoughtful story, and unique in its own way. Lothar von Schmitt (spelling?) or the grandfather in the game is based off of a real person - Lothar von Trotha. Discovered this upon…”
25 of the 100 reviews raise this · 11 of them still recommend the game.
“Just listen to One from Metallica and you'll get the gist of the game and not have to go through any of the mostly boring parts that comprise this horror walking simulator. https://www.youtube.com/watch?v=V4d-fn29eNk…”
“It is a strange and gorgeous game about World War I and how war is bad. It's worth a look simply because how pretty it is. You won't be surprised by the included gameplay, which is almost stock standard for all the…”
“The game started great, loved the mansion asthetics and design. Great props the team that made that happen. The game just went on and on switching directions. At first it seems like a Psychological horror with a twist…”
12 of the 100 reviews raise this · 7 of them still recommend the game.
“Black screen when launching. Application not responding. Tried every tips provided in the community and on the internet. Nothing works. Game is broken. Requested a refund. Edit: refund refused because it's been more…”
“Does not even start. Getting just a black screen, with no possible solution. Tried everything and it just says it's not responding.”
“I'd love to play this game... if it would actually ♥♥♥♥♥♥♥ work. Every time I boot up the game, it's just a black screen. No amount of waiting or rebooting or restarting my pc or anything works. If you buy this game,…”
8 of the 100 reviews raise this · 4 of them still recommend the game.
“Just listen to One from Metallica and you'll get the gist of the game and not have to go through any of the mostly boring parts that comprise this horror walking simulator. https://www.youtube.com/watch?v=V4d-fn29eNk…”
“the first 5hrs of gameplay brillant. good storyline .trauma,horror effects of ptsd could totally relate but the last 1hr of gameplay just felt like it lost its self it killed what was a good game because it dragged it…”
“I liked the game. I finished it in one sitting You feel certain emotions and maybe even empathy A bit of adrenaline in those chases The choices that affect the game's ending are really cool And I can add that the final…”
7 of the 100 reviews raise this · 3 of them still recommend the game.
“Black screen when launching. Application not responding. Tried every tips provided in the community and on the internet. Nothing works. Game is broken. Requested a refund. Edit: refund refused because it's been more…”
“I am glad I didnt pay $45+ on this, but I am also glad I got around to playing this game. The world is beautiful, the designs are top tier, although most of the game is a walking sim (probably 80% of it) the game was a…”
“The gameplay is pretty damn dull throughout the entire game, only being interesting for a small part of chapter 3 of 4. The story however was really good and I found it very touching (the good ending anyway). Visuals…”
5 of the 100 reviews raise this · 5 of them still recommend the game.
“I bought it when it was on sale. The story is really good—it’s about Paul and his family. It has three endings: a happy one where you ,,save,,; a second one where you can become a war hero ; and a third one—well, I…”
Counted across 100 English reviews, sampled to match this game's 77.7% positive rating · as of 2026-05-13
“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“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“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 playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-05.
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.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-04). 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.
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!
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
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
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
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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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Action, Adventure |
| Player tags | Horror · Action · Psychological Horror · First-Person · Atmospheric · Survival Horror · Singleplayer · Dark · Gore · Survival · Adventure · Indie (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Cloud · Family Sharing |
| Languages | English * , French * , Italian, German * , Spanish - Spain, Japanese, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Thai, Traditional Chinese, Turkish, Korean * |
| Controller | Full support |
| Achievements | 29 |
| Official site | http://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