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Tunnet

Tunnet

Build, debug and optimize a computer network in an underground facility.

Released Dec 1, 2023 Developer puzzled_squid Platforms Windows · Linux LogicExplorationPsychological HorrorProgrammingAutomation
View on Steam ↗ $5.99 (US · as of 2026-10-25)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-30 · quoted reviews as of 2026-10-16.

94.3%positive736 reviews
Recommended · 89 found this helpful

“I appreciate that there's a setting for monster hostility that lets you either play it as a spooky lo-fi networking horror game or as an awkward networking engineer with horrifying monsters that you just have to go "yeah sorry 'scuse me mate just gotta squeeze around you there…”

— a player, Steam review · 12 hrs played
Recommended · 65 found this helpful

“If you think you even might be in the target audience for this game, you are super duper in the target audience.”

— a player, Steam review · 12 hrs played
Recommended · 54 found this helpful

“the real horror is having to redo your entire network after 10 hours because you read the manual”

— a player, Steam review · 17 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-04 via SteamCharts.

71all-time peak
0 25 50 2024 2025 2026 No data collected for this period 23 avg · Dec 2023

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-25.

12achievements
7.6%median completion
1.6%rarest: Out-of-Office
92.9% of players 51.6% of players 47.1% of players 45.3% of players 19.7% of players 10.1% of players 7.6% of players 6.5% of players 5.6% of players 4.7% of players 3.8% of players 1.6% of players 92.9% 0% most earned rarest
Almost everyone has
92.9%Baby step — Connect an endpoint to the network.
51.6%Dream house — Buy the cabin.
47.1%Choo-choo — Find the locomotive.
Rarest badges of honor
1.6%Out-of-Office — Hidden achievement
3.8%Big Brain — Connect all the subnetwork chambers to the network.
4.7%The Show Must Go On — Route all the music streams to their subscribers.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.

$5.99current · sampled 2026-10-25 20:53 UTC
$1.49lowest since tracking began2026-09-10
US5.99 USD
EU5.89 EUR
UK4.99 GBP
Australia8.79 AUD
Canada7.79 CAD
Japan700 JPY
Brazil20.49 BRL
China26.00 CNY

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

China≈$3.9 Brazil Japan Canada US Australia EU UK≈$6.7

Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-23). Relative comparison only.

$0 $5 $10 07-25 08-11 08-30 09-17 10-05 10-25

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 27, 2025
Hotfix - v1.2.4

Added new entrance to the shelter. This will only be reflected on new saves. Added option to dig anywhere. It can be useful to fixup the map on saves that include procedural generation bugs (which cou

Jul 23, 2024
Hotfix - v1.2.3

Tunnet is now Steam Deck verified! This version includes a few changes that I had to make in order to pass the Steam Deck compatibility check as well as a few minor bug fixes: Fixed crashes that somet

Apr 14, 2024
Hotfix - v1.2.1

Clarify instructions written on the whiteboard in military briefing room. Changed color of the light in the military barracks. Technician cannot be killed by the spider anymore while holding the light

Apr 06, 2024
Update 1.2 is out!

Dear technicians, Today, I am excited to announce the release of the latest version of Tunnet! Here is an overview of the changes: Global Leaderboard A global leaderboard has been introduced and is no

Jan 12, 2024
Hotfix - v1.1.3

Fixed memory leak in the UI system. Going home while driving the train now works as expected. Cursor is now always visible when picking up handbook pages. Right arrow key does not pause the network an

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-14.

GenresAdventure, Indie
Player tagsLogic · Exploration · Psychological Horror · Programming · Automation · Puzzle · Underground · Adventure · Hacking · First-Person · Open World · Atmospheric (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Partial Controller Support · Steam Cloud · Steam Leaderboards · Family Sharing
LanguagesEnglish
Achievements12
Official sitehttps://puzzledsquid.xyz/#tunnet
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: WIndows 10+ Memory: 2 GB RAM Graphics: Vulkan-capable Nvidia or AMD GPU Storage: 64 MB available space