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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 2026-07-26)

What players say

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

95.1%positive596 reviews
Recommended · 3 found this helpful

“Tunnet is a great little game about very basic networking principles and optimization. The atmosphere is creepy and enjoyable while not being outright horror. The game plays well and can play into the "must optimize" need like other factory games. It isn't long, but that's…”

— a player, Steam review · 23 hrs played
Recommended · 3 found this helpful

“At first I thought this would be another "work simulator" type game, but it's actually a delightful puzzle game, with some great retro esthetics. The final puzzle absolutely stumped me, it's such a tangled mess of wires. At times, the "horror" mechanics were grating, and I…”

— a player, Steam review · 26 hrs played
Recommended · 0 found this helpful

“Admittedly the final boss is not great, but I still wish there was more content, 8/10 game”

— a player, Steam review · 46 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-24 01:24 UTC · history via SteamCharts.

1playing at last check
224-hour peak
71all-time peak
0 25 50 2024 2025 2026 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 2026-07-25.

12achievements
7.7%median completion
1.5%rarest: Out-of-Office
93.1% of players 52.2% of players 47.7% of players 45.8% of players 20.0% of players 10.2% of players 7.7% of players 6.5% of players 5.6% of players 4.7% of players 3.8% of players 1.5% of players 93.1% 0% most earned rarest
Almost everyone has
93.1%Baby step — Connect an endpoint to the network.
52.2%Dream house — Buy the cabin.
47.7%Choo-choo — Find the locomotive.
Rarest badges of honor
1.5%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 2026-07-26 08:39 UTC
$5.99lowest since tracking began2026-07-25
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≈$3.8 Brazil Japan Canada US Australia UK EU≈$6.7

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

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 2026-05-20.

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
Estimated owners20,000 – 50,000 (SteamSpy)
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