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Survivalist: Invisible Strain

Survivalist: Invisible Strain

It's ten years since the infection started. Long-established settlements are collapsing, one by one, for unknown reasons. Survivors are running to the hills to escape, hoping for safety in remote places. As another refugee, you're here to carve out a new life for yourself - by any means necessary.

Released Apr 25, 2025 Developer Bob Publisher Ginormocorp Incorporated Platforms Windows Open World Survival CraftColony SimRPGRTSAction
View on Steam ↗ $6.59 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

87.1%positive3,579 reviews
Recommended · 12 found this helpful

“Oh boy, what fun 3 weeks! What I did: - Started from nothing and found a nice hill to build my shack and campfire. - Recruited passing refugees, sending them off to the unexplored, dangerous wasteland if they sucked at their job or if they looked at me funny. - Interrogating my…”

— a player, Steam review · 303 hrs played
Recommended · 13 found this helpful

“I’ve sunk hundreds of hours into every zombie survival game under the sun, from AAA to the janky. Survivalist Invisible Strain is one of the rare ones that gets things right. It’s super indie, has a ton of heart. The art style looks like someone ripped pages straight out of a…”

— a player, Steam review · 237 hrs played
Recommended · 8 found this helpful

“I got introduced to this game by a random youtube video on someones sandbox playthrough and i can say i really like this game. pushing aside any bugs and issues because every game is going to have one regardless of there age and size but this game runs really stable and i've…”

— a player, Steam review · 224 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 13:13 UTC · history via SteamCharts.

456playing at last check
47424-hour peak
773all-time peak
0 250 500 2021 2022 2023 2024 2025 2026 405 avg · May 2025

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

33achievements
1.4%median completion
0.3%rarest: Better to Light a Candle than to Embrace the Darkness
21.1% of players 12.7% of players 7.5% of players 6.7% of players 4.8% of players 3.3% of players 3.1% of players 2.9% of players 2.6% of players 2.4% of players 2.0% of players 1.9% of players 1.8% of players 1.6% of players 1.6% of players 1.5% of players 1.4% of players 1.2% of players 1.2% of players 1.0% of players 0.9% of players 0.9% of players 0.7% of players 0.6% of players 0.5% of players 0.5% of players 0.5% of players 0.5% of players 0.4% of players 0.4% of players 0.4% of players 0.3% of players 0.3% of players 21.1% 0% most earned rarest
Almost everyone has
21.1%It can't be worse than this — Recruit a refugee to your community.
12.7%I guess I have no choice — Recruit a raider to your community.
7.5%You've certainly proven yourself — Recruit someone from a settlement to your community.
Rarest badges of honor
0.3%Better to Light a Candle than to Embrace the Darkness — Complete Story Mode on the 'Embrace the Darkness' difficulty setting, making sure Emma O'Connor survives.
0.3%The Friends We Made Along The Way — Complete Sandbox Mode on the 'Hard' difficulty setting, accompanied by a lover and at least one friend.
0.4%Survivalist — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$6.59−45% right nowcurrent · sampled 2026-07-26 08:39 UTC
$11.99base price
$6.59lowest since tracking began2026-07-20
US6.59 USD−45%
EU6.48 EUR−45%
UK5.49 GBP−45%
Australia9.76 AUD−45%
Canada8.51 CAD−45%
Japan770 JPY−45%
Brazil21.16 BRL−45%
China26.40 CNY−45%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$3.9 Brazil Japan Canada US Australia UK EU≈$7.4

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $10 $20 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jul 14, 2026
New patch in publicbeta with pickpocketing (v279), last patch in main (v278)

Hello everyone, got kind of a bigger patch for you today as I've added pickpocketing and TAA (Temporal Anti-aliasing). The TAA is on a checkbox in the Settings/Graphics menu, it makes the black outlin

May 09, 2026
New small patch in publicbeta (v278)

Hello I've released a new small patch in publicbeta, mainly because I discovered the last one broke a couple of important things. Fortunately they didn't make it into the main branch, so this is just

Apr 27, 2026
One year anniversary, new publicbeta patch and translations in main branch

Hello, Survivalist: Invisible Strain has been out of early access for one year! Well actually that was two days ago. Anyway, seems like a good time for a sale, so Survivalist: Invisible Strain is part

Apr 15, 2026
New small patch in publicbeta (v276)

Hello, I've released another small update in the publicbeta branch. This contains some fixes and support for mods, and translator support. Also a slight tweak to combat; previously if you kept swingin

Apr 05, 2026
New patch in publicbeta (v275)

Hello, there's a new patch in the publicbeta branch. It has a few small fixes for mods and translations, but the main change is that the Russian translation has been greatly improved by Pavel Borisov,

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresAction, Adventure, Indie, RPG, Simulation, Strategy
Player tagsOpen World Survival Craft · Colony Sim · RPG · RTS · Action · Third Person · Base-Building · Post-apocalyptic · Character Customization · Choices Matter · Conversation · Open World (SteamSpy community voting)
FeaturesSingle-player · Multi-player · Co-op · Online Co-op · Steam Achievements · Steam Trading Cards · Steam Workshop · Partial Controller Support
LanguagesEnglish, Japanese, Korean, Simplified Chinese, Italian, Hungarian, Turkish, French, Spanish - Latin America, Lithuanian, Russian, Spanish - Spain, Portuguese - Brazil, German, Czech, Vietnamese, Indonesian, Ukrainian
Achievements33
Estimated owners100,000 – 200,000 (SteamSpy)
Official sitehttps://www.ginormocorp.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 or higher Processor: 2.0 GHz Intel quad-core and above (Subject to change) Memory: 4 GB RAM Graphics: NVIDIA GTX 660m or equivalent (Subject to change) DirectX: Version 10 Storage: 3 GB available space Additional Notes: Download the free demo to find out how well your PC can run it!