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Transmissions: Element 120

Transmissions: Element 120

TE120 is a short single player experience set in the Half-Life Universe featuring a gravity defying weapon that allows you to jump buildings and sustain large falls. The story takes place at a mysterious date & location. Where are you? Why have you been sent?

Released Jun 16, 2016 Developer Shokunin, Thomas M. Visser, Vincent Thiele Publisher Self Published Platforms Windows · Linux Free to PlayActionShooterZombiesHorror
View on Steam ↗ Free (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.

94.5%positive9,805 reviews
Recommended · 3 found this helpful

“Review after 100% ♡♡♡ Half-Life Universe. ⣴⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣼⣿⣿⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣼⣿⣿⣿⣿⣿⣿⣿⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣤⣤⣶⣶⣿⣿⡗ ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⠀ ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠃ ⣿⣿⡇⠜⠙⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀Got a cat here ⣿⣿⣿⣶⣿⣿⣿⣿⣿⠋⡹⠙⣿⣿⣿⡇⠀ Friends passing ⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣾⣿⣿⠛⠀⠀by can touch her…”

— a player, Steam review · 7 hrs played
Recommended · 1 found this helpful

“Ultra-high quality for the time, short, brilliant mod”

— a player, Steam review · 2 hrs played
Recommended · 1 found this helpful

“A short but interesting mod that puts a semi-unique twist on the gravity gun. Nothing mindblowing but I think it's worth playing.”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 12:21 UTC · history via SteamCharts.

0playing at last check
224-hour peak
779all-time peak
0 250 500 2017 2019 2021 2023 2025 338 avg · Jun 2016

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.

11achievements
40.2%median completion
6.9%rarest: Reunited
59.2% of players 55.4% of players 54.8% of players 46.6% of players 42.6% of players 40.2% of players 31.6% of players 12.2% of players 11.5% of players 8.2% of players 6.9% of players 59.2% 0% most earned rarest
Almost everyone has
59.2%Wake — Complete chapter 1.
55.4%Gravity Jump — Use a special weapon to gravity jump.
54.8%Escape — Complete chapter 2.
Rarest badges of honor
6.9%Reunited — Reunite two little gnomes.
8.2%Scholar — Find all journals.
11.5%Strider Smasher — Smash two striders with shipping containers.

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.

Freecurrent · sampled 2026-07-26 08:39 UTC
Freelowest since tracking began2026-07-11

Latest official news

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

Feb 13, 2019
Over 1,000,000 Downloads!

Hello everyone, TE120 reached an amazing milestone today surpassing 1,000,000 downloads! When I originally set out to create TE120 I wanted to help satisfy the fans of Half-Life with what felt like a

Aug 21, 2016
Source Code Now Available!

We've decided to release the source code for TE120! Those interested in adding the special gravity gun to their mod are welcome to do so, but please just credit the TE120 team. We also have a version

Aug 21, 2016
Source Code Now Available!

We've decided to release the source code for TE120! Those interested in adding the special gravity gun to their mod are welcome to do so, but please just credit the TE120 team. We also have a version

Jul 18, 2016
Patch Notes

New music & enhancements to an existing track. Fixed issue with final journal not completing scholar achievement. Fixed nodegraph recompiling issue. Removed costly dynamic lights that spawn per muzzle

Jul 18, 2016
Patch Notes

New music & enhancements to an existing track. Fixed issue with final journal not completing scholar achievement. Fixed nodegraph recompiling issue. Removed costly dynamic lights that spawn per muzzle

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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, Free To Play, Indie
Player tagsFree to Play · Action · Shooter · Zombies · Horror · First-Person · Singleplayer · Multiplayer · FPS · Mod · Atmospheric · Indie (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Captions available · VR Support · Partial Controller Support · Steam Cloud
LanguagesEnglish * , French, German, Spanish - Spain, Russian *
Achievements11
Estimated owners500,000 – 1,000,000 (SteamSpy)
Official sitehttp://www.transmissions-element120.com
Minimum system requirements (PC)

Minimum: OS *: Windows® 10/8/7 32/64-bit / Vista 32/64 / XP Processor: Pentium 4 3.0GHz Memory: 2 GB RAM Graphics: Video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better DirectX: Version 8.1 Storage: 4 GB available space Sound Card: DirectX 8.1 compatible sound card