Single-player games like 《道格拉斯警督的日记》
Below are 8 single-player Steam games similar to 《道格拉斯警督的日记》, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like 《道格拉斯警督的日记》 page.
Ranked picks
- 1

我的一个多重人格朋友
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Adventure with 《道格拉斯警督的日记》.
This is an AVG game that involves reasoning and decryption. He Zhou has 7 different personalities, which alternate seven days a week. Players will play as a detective and deduce the truth behind the horrifying cases surrounding He Zhou through the diary he left behind.
- 2

Causal Effect
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and RPG with 《道格拉斯警督的日记》.
This is a text-based deduction game. Your choices will change the development of events, make up different timelines, and lead to different endings. Your primary task is to sort out the cause-and-effect relationships between events from textual descriptions.
- 3

迷雾之夏-The Vigilant Villa
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Adventure with 《道格拉斯警督的日记》.
The Vigilant Villa is a plots-oriented, texts-based AVG adventure game inheriting the classic “A locked room mystery" story mode. Where the game heads towards is completely decided by player’s own deductions and choices.
- 4

我的恋爱逃生攻略 Love to Live
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Adventure with 《道格拉斯警督的日记》.
Trapped in a game of dreams, where the price of failing to escape is eternal slumber. Across shifting worlds, you meet 'him.' Is he merely a kindred spirit born of crisis, or a forgotten soul from your distant memories? A heart-pounding romance adventure across the dreamscape—begins now!
- 5

Freud's Bones-the game
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Adventure with 《道格拉斯警督的日记》.
Infiltrate, rule and rescue the mind of the father of Psychoanalysis: Sigmund Freud, in this surreal and obscure adventure. Take control of his inner voice, choose his destiny, solve clinical cases, save or condemn your patients, all whilst trying to save Freud from himself.
- 6

古代人生 Ancient Life
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Simulation with 《道格拉斯警督的日记》.
Ancient Life is a game that simulates the life of ancient people. The game contains various events that may have occurred in ancient times. Players can choose to farm, be an official, craftsman, be a hunter, be a merchant, and have different occupations.
- 7

1997
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Adventure with 《道格拉斯警督的日记》.
Detective visual novel about mysteries of rural Russian town in 90-s, anime style.
- 8

Love, Money, Rock'n'Roll
Single-player alternative to 《道格拉斯警督的日记》 — playable solo, no multiplayer required. Shares Indie and Adventure with 《道格拉斯警督的日记》.
Love, Money, Rock'n'Roll: the romanticism of the Eighties, mystery and intrigues, betrayal and sacrifice, hatred and passion — all this and more in the new game from the creators of the legendary visual novel Everlasting Summer!