Single-player games like Do No Harm
Below are 12 single-player Steam games similar to Do No Harm, 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 Do No Harm page.
Ranked picks
- 1
FIRST LINE
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
A retro office mystery about tech support, deadlines, and a floor that doesn't exist. It's 2001, and you're the L1 helpdesk tech at a corporation running on an OS from another era. Close tickets against the clock. Mind your tone. Don't ask about Floor 7.
- 2
Mistport
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
Mistport sets you as a booth inspector, in a gloomy Victorian city. Inspect documents for ships that pull into the misty harbor, identify suspicious individuals, and uncover mysteries that will shape the city’s fate. Stay loyal to your post or venture into the mists of insanity. The choice is yours.
- 3
Dead Man's Pass
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
Inspect travel passes and question the strangers who reach your mountain gate after dark. In this yokai inspection game, compare every face, paper, and answer, then let them pass, turn them away, or draw your sword. Your family and the village bear the cost.
- 4
Flesh Blossom
Single-player alternative to Do No Harm — playable solo, no multiplayer required.
Experience the horror of this narrative-driven medical RPG. As Doctor Parsnip Green, you’ll point-and-click your way through difficult choices as you investigate the disease’s origin, operate on patients, and fight to save those you love - all while managing your own dwindling sanity.
- 5
Welcome Demon
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
You are a dungeon warden. Sitting in the chair of the previous warden you killed, you must cleanse yourself of your sins within 666 hours. Place the incoming demons into six different dungeons based on your information, intuition, and limited resources.
- 6
The Sleeping Sickness
Single-player alternative to Do No Harm — playable solo, no multiplayer required.
The Sleeping Sickness is an interactive short story that allows the player to guide the main character's actions. The player’s choices will lock and unlock future locations, change dialogue, and alter the story. Choices matter in The Sleeping Sickness. It is an excellent choice for horror fans.
- 7
KILLA
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
A Master murdered. A dying wish: "Kill La." Nine suspects. One killer. All named 「La」. Valhalla hunts the truth by diving into their memories — in a world beautiful and cruel as a doll. Which 「La」 pulled the strings?
- 8
Static Dread: The Lighthouse
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
Lovecraft meets Papers, Please. Play as a lighthouse keeper and guide ships safely into the harbor using your radio. Survive the presence of something impossible, and don’t let the shadows consume you!
- 9
Papers, Please
Single-player alternative to Do No Harm — playable solo, no multiplayer required.
Congratulations. The October labor lottery is complete. Your name was pulled. For immediate placement, report to the Ministry of Admission at Grestin Border Checkpoint. An apartment will be provided for you and your family in East Grestin. Expect a Class-8 dwelling.
- 10
I'm on Observation Duty
Single-player alternative to Do No Harm — playable solo, no multiplayer required.
As an employee of a mysterious organization your job is to monitor live surveillance camera footage and spot anomalies using your sharp eyes and good memory. Can you survive the entire night shift or will you succumb into paranoia?
- 11
Revolution: The Spark
Single-player alternative to Do No Harm — playable solo, no multiplayer required.
Embark on a perilous journey through a corrupt government in story-driven steampunk RPG Revolution: The Spark. Explore nine distinct areas, assemble a team of fearless allies, and decide if you want to foster peace or lead everyone towards a violent uprising.
- 12
Lunar Ascendant
Single-player alternative to Do No Harm — playable solo, no multiplayer required. Shares Simulation with Do No Harm.
The political drama set in a future that's too close for comfort. Become the first mayor of ARTEMIS: A Pioneering Lunar City. Navigate the future of lunar colonization, choose between independence and cooperation, shape policies for or against AI influence, and tackle interplanetary conspiracies.