Lovecraftian Doctor Simulator. Diagnose patients by analyzing unsettling symptoms and treat them using your Book of Medicine. Make moral choices — decide who to save or kill, discover whom to trust, and unlock multiple endings! Can you endure 30 days of perilous decisions?
Live now
2
24h peak
11
All-time peak
11
SteamScope Score
26.0
Discovery
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About
Store description and overview from Steam.
Do No Harm is a doctor simulator with a Lovecraftian twist. You take on the role of a village doctor, diagnosing and treating patients using ancient and often cryptic medical procedures.
If you’re a fan of profession-related simulators or games that test your decision-making under pressure, Do No Harm is a unique blend of strategy and horror that will keep you guessing until the very end.
Lovecraftian Atmosphere
Nightmarish entities that warp reality as you play, causing hallucinations, blocking your ability to interact with items, and even deceiving you about treatment results.
Anomalies creeping into your daily medical practice, impacting your Sanity.
Lovecraftian story involving the proxy war between Azathoth and Cthulhu over the island village and through it the world and humanity.
19-th century Doctor Simulator
Diagnose patients based on their symptoms
Use tools to narrow down treatment possibilities, and inject the patients with the medicine
Consult your Book of Medicine—a beautifully crafted grimoire-like guide.
Experiment with remedies inspired by Early Modern medicine, and hope they work… or brace for the consequences.
Rich Story & Multiple Endings
Reputation system impacting how villagers act around you
Each diagnosis, treatment, and moral decision impacts the outcome, leading to multiple endings. Find all 12 Endings.
Survive 30 Days: Navigate the pressures of treating the sick while also surviving for 30 days in an increasingly hostile environment.
Will you save the villagers, descend into madness, or uncover the truth behind the horrors?
Player intelligence
Current activity, peaks, and momentum windows calculated from tracked player metrics.
7 day change
—
90 day change
—
365 day change
—
Concurrent Steam players over time, aggregated per selected range from stored metrics.
Steam reviews
Community sentiment and review volume tracked from the Steam store.
Total reviews
444
Positive
316
Negative
128
Score
71%Mostly Positive
SteamScope Score
How this title ranks for live activity, momentum, and long-term player retention on Steam.
Limited activity
Weighted index from live players, growth, retention, and catalogue age
Popularity
Live concurrent player volume
8
Growth
Recent player trend momentum
50
Retention
Peak-to-current player ratio
18
Longevity
Catalogue age and sustained interest
29
24 hour change
-75.0%
7 day change
—
30 day change
—
Guide
Do No Harm is tracked on SteamScope with live Steam concurrent player data, historical charts, and a SteamScope activity score of 26/100. Search for "Do No Harm player count" or "Do No Harm steam charts" to monitor how many people are playing right now and how activity compares with past peaks.
Do No Harm is developed by Darts Games, released 6 Mar 2025, a Simulation title. Available on Windows.
Do No Harm currently reports 2 concurrent Steam players with a 24-hour peak of 11 and an all-time peak of 11.
Player counts fell -75.0% over the past 24 hours, signalling a notable decline.
Among tracked Steam titles, Do No Harm ranks #13545 of 15,203 by momentum score.
Do No Harm has lost momentum recently. Retention sits at 18/100, suggesting fewer players relative to its all-time peak of 11.
Do No Harm has 46 Steam achievements tracked on SteamScope.
The average global unlock rate across all achievements is 11%, giving a baseline for overall completion difficulty.
The most common achievement is "Thank you, doc!" with a 80.4% unlock rate.
The rarest achievement is "Do no Haste" — only 0.2% of players have unlocked it (Very Hard).
FAQ
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Explore
Browse screenshots, patches, requirements, and more without scrolling through everything at once.
Steam Features
Official Steam store feature flags from the Steam API.
Handheld Gaming
Official Steam Deck verification status and test notes from the Steam store.
Deck test results
SteamOS status: Playable
Last checked Aug 3, 2026
Store Details
Steam achievements: 46
Support
[email protected]Regional ratings
Media
Updates
System requirements
Minimum and recommended specs from the Steam store listing.
Minimum
Languages
Store options
Do No Harm - 15,79€
Tracked Steam store price snapshots over time.
Do No Harm is currently €15.79 on Steam. The lowest tracked store price is €15.79 (recorded Aug 3, 2026).
Track store-wide deals on the Steam sales, historical low prices, and recent price drops pages. Browse games under $10, free Steam games, or budget picks under $5.
How this game's Steam Charts position has changed over time.
How Steam review score and volume have changed over time.
Do No Harm has 71% Steam reviews across 444 user reviews. Steam labels this as "Mostly Positive".
Intelligence
Patch notes, discounts, and player spikes surfaced from stored Steam metrics.
Large concurrent player increase in stored metrics.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Steam announcement or patch note.
Achievements
This game
11% avg unlock
40 peer games
14.8% median
Comparison
Typical
Achievements
28 standard · 18 hidden · Updated 1d ago
11%
average global unlock
Most Common
Thank you, doc!
80.4% unlock rate
Rarest Achievement
Do no Haste
0.2% unlock rate
heal_first_patient
80.4%
global unlock
Treat your first patient
miss_3_anomaly_in_day
62.9%
global unlock
Missed 3 anomaly in a day
max_reputation
57.7%
global unlock
Reputation has reached the max value
kill_firts_patient
52.7%
global unlock
Do harm to a patient
drink_2_laudanum_no_anomaly
49.9%
global unlock
No description provided by Steam.
buy_magnifying_glass
38.2%
global unlock
Buy magnifying glass
buy_stethoscope
21.6%
global unlock
Buy stethoscope
complete_day_without_lights
21.1%
global unlock
Complete a day without lamp
heal_with_multidose_syringe
17.7%
global unlock
No description provided by Steam.
lurker_death
8.5%
global unlock
Become Lurker’s victim
kill_7_patients
7.8%
global unlock
Kill 7 patients
cannibal_ending
6.7%
global unlock
No description provided by Steam.
kill_patient_when_lurker_inside
6.3%
global unlock
Sacrifice a patient for the Killer
give_panacea_to_thomas
6.2%
global unlock
No description provided by Steam.
insanity_ending
5.7%
global unlock
Executed by villagers
complete_one_gravedigger_list
5.0%
global unlock
No description provided by Steam.
heal_transform_3_fishman
4.9%
global unlock
Heal a Transform Level 3 Fishman
give_panacea_to_marianne
4.1%
global unlock
No description provided by Steam.
priest_accept_ending
4.0%
global unlock
No description provided by Steam.
priest_run_away_ending
3.9%
global unlock
No description provided by Steam.
kill_with_multidose_syringe
3.3%
global unlock
Kill a patient instantly with mixed medicines
thomas_with_damsel
1.9%
global unlock
No description provided by Steam.
sheriff_arrest_ending
1.9%
global unlock
Thrown in jail
marianne_with_damsel
1.5%
global unlock
No description provided by Steam.
complete_all_gravedigger_list
1.5%
global unlock
No description provided by Steam.
witch_accept_ending
1.3%
global unlock
No description provided by Steam.
witch_run_away_ending
1.3%
global unlock
No description provided by Steam.
bad_reputation_ending
1.1%
global unlock
Executed by villagers
thomas_without_damsel
1.1%
global unlock
No description provided by Steam.
bankruptcy_ending
0.9%
global unlock
Lose all your money
marianne_without_damsel
0.8%
global unlock
No description provided by Steam.
DNH_kill_with_allergy
0.5%
global unlock
Kill a patient with a medicine they're allergic to in “Do No Harm” mode
DNH_kill_first_patient
0.5%
global unlock
No description provided by Steam.
with_damsel
0.5%
global unlock
No description provided by Steam.
nyarla_accept_ending
0.5%
global unlock
Accept Nyarla’s offer
gravedigger_accept_ending
0.4%
global unlock
Escape the island, before 30 days
without_damsel
0.4%
global unlock
No description provided by Steam.
nyarla_decline_ending
0.4%
global unlock
Decline Nyarla's offer
DNH_kill_with_alternative
0.3%
global unlock
Lose a game by killing a patient with an alternative medicine in “Do no Harm” mode.
TR_treat_with_1_sec_left
0.3%
global unlock
Treat a patient with less than 1 second on the clock in “Time rush” Mode
Inf_get_100hp
0.3%
global unlock
Earn 100 health in “Infinite” mode
Inf_treat_50_and_get_100xp
0.3%
global unlock
Treat 50 patients and earn a total of 100 XP in “Infinite” mode.
TR_earn_2_mins
0.2%
global unlock
Earn 2 bonus minutes during “Time Rush" mode.
DNH_heal_50
0.2%
global unlock
Treat 50 patients in a single run of “Do no Harm” mode
TR_survive_10_mins
0.2%
global unlock
Survive 10 minutes in “Time Rush” mode
TR_treat_5_patients_in_2_mins
0.2%
global unlock
Treat 5 patients within 2 minutes in “Time Rush” mode
