
A former special forces operative is sent to uncover a government cover-up tied to a secret viral experiment. As he explores a hidden underground lab and tracks the last two survivors, he realizes the facility conceals even darker secrets.
Modeled estimate, not a reported figure. How we estimate →
About

A third-person survival horror action game set in dark, atmospheric underground environments, blending psychological suspense with intense combat.
The story follows Adam, a former special forces operative assigned a top-secret mission: investigate a supposedly abandoned underground bio-research facility and extract evidence proving the government’s involvement in funding a viral development program—one that spiraled out of control and killed thousands.
What begins as a simple data retrieval job quickly turns into a dangerous search for answers. Most of the facility’s personnel are dead—casualties of brutal emergency protocols. Two scientists are missing, and Adam must track them through dark, hazardous corridors and storm-drain tunnels.
As Adam follows their trail, unsettling signs and unexplained events make him question the true nature of his mission—and his own connection to the facility.
Estimated playtime: approximately 4 hours for a standard playthrough.

Combat: Attack enemies directly with firearms, melee strikes, and evasive maneuvers in fast-paced encounters.
Executions: Crush and smash weakened enemies with brutal takedowns for maximum impact.
Weapons: Unlock new weapons as you progress.
Health: Restore your strength using limited medical injections found along the way.
Boss Battles: Confront powerful bosses, each with distinct attack patterns and strategies.

Ammunition can become low at times, You can explore your surroundings to gather some extra ammo and materials that allow you to craft additional rounds and health injections whenever supplies begin to run out.

AI-Driven Protagonist & True Companion:
Adam is brought to life with an advanced AI system, making him feel and act like a real companion throughout your journey. He reacts to situations, shares his thoughts, engages you directly as the player, and sometimes even breaks the fourth wall. Every conversation, reaction, and decision adds depth to the adventure—and you can customize how much Adam interacts with you, tailoring the experience to your preference.
Original Story & Atmosphere:
Unravel a unique, unpredictable narrative filled with psychological horror and mystery.
Stunning Visuals:
Explore atmospheric environments with high-quality graphics and immersive effects.
Diverse & Challenging Levels:
Encounter new hazards, puzzles, and enemies in every area for a consistently fresh experience.
Blending Real and Virtual Worlds:
The game creatively mixes real-world interaction with the virtual environment, requiring you to think beyond the screen to solve certain puzzles and challenges. Some enigmas can only be solved by combining clues from both realities, offering a truly unique gameplay twist.
Not an Imitation:
Enjoy innovative ideas and mechanics—ENTITY: THE BLACK DAY is not another clone.

Supported Languages 🌍:
English, العربية, Русский, 中文(简体), 日本語, Deutsch, Español (España), 한국어, Português (Brasil), Polski, Français, Italiano, Español (Latinoamérica), 中文(繁體), Nederlands, Bahasa Melayu, Čeština, Dansk, Suomi, Magyar, Norsk, Português (Portugal), Română, Svenska, Türkçe

Genres
Stats
All-time low is the lowest price we've recorded for this game since we started tracking it.
Engagement
Reviews
Themes across 91 recent reviews and how positive each mention is. A keyword signal, not full sentiment analysis.
Reviews
Ich will mehr mehr mehr mehr mehr :) MEEEHHHHHHRRRRRRRR
더운 여름이 가기전에 시원한 게임을 해보고 싶어서 선택을 하게 되었습니다. 게임 플레이 평가도 좋고 가격도 저렴해서 구매를 했습니다. 한국어 지원도 잘되어 있어서 좋았습니다. 연구소에서 첫번째 퍼즐이 어려웠 습니다. ㅠ_ㅠ 아무 표시가 않되어 있더군요. 어떻게 해야 하나 당황하지 않고 유저 플레이 보고 알게 된 답으로 퍼즐 해걸 ^^;; 비밀번호 역시 어려웠다. 연구소 탐험이 시작이 되었습니다. 어둡고 칙칙한 구역을 나홀로 도전을 해야 해서 더운날 게임을 플레이를 했습니다. 스피커 소리를 크게하고 게임을 하니까 공포감이 증가 되어서 게임 집중이 두배로 상승이 되었습니다. 게임 플레이 중에 놀라운 점은 고사양 그래픽 이 들어 간 게임처럼 중간 사양 컴퓨터 도 게임 플레이 할때 흐리거나 , 흔들리 거나 , 렉 , 오류가 없었습니다. ^_^ 놀라운 작품 플레이를 할때 내가 구매를 잘했구나 라는 생각이 들정도로 게임 잘만들어 졌고 게임 플레이 할때 AI가 플레이 대신해서 미션을 해결을 해주는 부분도 있어서 게임 플레이 할때 놀라는 일이 많이 있었습니다. 키 비밀번호 찾기에서 유저 스마트 폰으로 정답 찾기 , QR코드로 정답 찾기 , 인디 게임을 하면서 특이하게 게임을 진행을 한것은 처음 이였습니다. 게임 개발자 님께서 키 비밀번호 찾기를 이떻게 하면 재미있게 플레이하고 해결을 할까 하는 부분을 많이 연구하고 개발을 한것 같습니다. 어렵기도 하고 쉽기도 하고 게임의 재미와 즐거움을 한번에 만들어 놓은 신것 같습니다.^^ 게임 플레이 하기 전에 난이도 쉬움 선택을 해서 맵과 지형을 모두 사전 탐색 플레이 하는 것을 추천 합니다. 공포 와 퍼즐 한번에 플레이 하고 싶다면 더 블랙 데이 를 선택해세요. ★★★★★게임 스포일러 1.비밀번호 퀴즈 나옴 2.키 퀴즈가 있음[늦으면 컷 당함] 3.스마트 폰은 컴퓨터 옆에 나두세요.[퍼즐할떄 필요함]
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Languages: English*, Arabic, French, Italian, German, Spanish - Spain, Czech, Danish, Dutch, Finnish, Hungarian, Japanese +13 more
Hours played at review time, across 91 reviews with recorded playtime.
positive critical· bar length = how often the theme comes up
OK the game was really good, but that AI was annoy, i do hope you make it to were we can shut it up. the game was good as the shooting and the environment. my only complaint is that ♥♥♥♥♥♥♥ AI
Je me suis laissé séduire par les screenshots et les avis.. Ce fut une erreur et je vais donc aller à contre courant. Le jeu est MAUVAIS ! C'est quoi ? Un TPS survival qui fait le strict minimum en matière de gameplay, on connaît c'est vue et revue mais surtout c'est mal fait. Il y a du lag entre le moment où l'on appuie pour tirer et le tire, les esquives sont mal foutu et le cac est plus souvent une perte de pv qu'autre chose. C'est un long couloir très scripter ou son personnage nous parle à la fois pour nous faire vivre le scénario et se donner un air comique ! C'est loupé aussi! Mise à part le moment QR code que j'ai trouvé sympa et novateur. Le 2eme boss est débile dans le sens où vous arrivez dans l'arène avec un cadavre ayant des munitions mais n'espérez pas ramasser tant que le combat n'est pas terminé ! Et si vous mourrez, vous ne reapparaissez pas juste avant le "boss" mais bien juste après avoir franchi l'arène... Prévoyez des munitions sinon c'est fin de combat au cac (bonne chance...) Le 4eme et denier boss il faut appuyer sur tirer non stop, deux fois espaces et spammer "f"! BIDON! La scène du bateau qui dure 15 minutes à avancer... Avancer, s'arrêter, tuer la bebete, avancer, s'arrêter, tuer la bebete... Bon vous avez compris N'attendez rien de plus pendant les 3h de jeu, oui 3h seulement... Le point fort du jeu c'est ses graphismes vraiment agréable et son optimisation, sa tourne à 120fps locke cg a 65% en 3240p full option Le scénario est... Digne non pas du série B mais d'une mauvaise série Z Ce sera un 5/20 pour moi et un jeu à faire à moins de 5€ grand max, je n'irai pas jusqu'à dire que même gratuit j'irai pas.. Quoi que...
Just bad, bad voice, bad controls, just a bad play experience.
this is just bad bad i have every thing to max and i have never seen this bad of games like i have just had a horrible experience it looks like dog poop like the walls look like garbage the game should not be out in this state like why can i change my graphics when it does nothing like it crashed and the loading to get in the game two long
Gayet güzel bir oyun hikayesi başaralı ve türkçe dil desteğide bulunuyor
Det är ett bra spel, Jag gillar atmosfären och ger det 7.5/10
Необычный формат геймплея, зайдет тем, кто ищет чего-то необычного
bon jeu, hâte de voir la suite de l'aventure.
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Where this game's players are, estimated from review languages.
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