Delta Particles

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App ID	1707900
App Type	Game
Developer	Yuri Epifantsev
Publisher	Yuri Epifantsev
Supported Systems	Windows Linux
Technologies	GoldSource Engine
Last Changenumber	29748195
Last Record Update	25 June 2025 – 19:07:49 UTC ()
Release Date	20 December 2024 – 11:13:57 UTC ()

😍 90.94%

1k reviews

In-Game

Delta Particles – is a total conversion mod for HL. You're playing as a technical engineer of complex "Delta Base" Nick Farrell. Unfortunately, the protagonist was in the wrong place at the wrong time, as an experiment at the Black Mesa Research Facility resulted in a resonance cascade.

Additional Information

This game is excluded from Steam Family Sharing because: Free Game

Developer

Yuri Epifantsev

community_visible_stats

Yes

RequiredAppID

Half-Life (70)

ReleaseState

released

Publisher

Yuri Epifantsev

IsFreeApp

Yes

Exclude from family sharing (exfgls)

3 (Free Game)

Store Release Date

20 December 2024 – 11:13:57 UTC ()

osarch

empty string

community_hub_visible

Yes

Social Media

https://discord.gg/P4VGw3vvvF
https://www.youtube.com/@hldeltacreator/

Primary Genre

Action (1)

Store Genres

Action (1), Indie (23)

Steam Release Date

20 December 2024 – 11:13:57 UTC ()

Store Asset Modification Time

18 November 2024 – 16:30:12 UTC () (1731947412)

library_assets

library_capsule	en
library_hero	en
library_logo	en
library_header	en
logo_position ↴
pinned_position	BottomLeft
width_pct	61.90997749437361
height_pct	99.24008549038234

osextended

empty string

Is free on the store?

Yes

review_score

review_percentage

Detected Technologies (?)

GoldSource Engine, CEF SDK, Miles_Sound_System SDK, SDL SDK

Content Descriptors

Frequent Violence or Gore (2), General Mature Content (5)

controllertagwizard

Yes

First seen on SteamDB

26 July 2021 – 17:02:14 UTC (), in changelist #12124752

Content Descriptors (Including DLC)

Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

3 Languages	Interface	Full Audio	Subtitles	Achievements
English	Yes	Yes	Yes	Yes
Russian	Yes	Yes	Yes	Yes
Spanish - Spain	Yes		Yes	Yes

Assets

Load all asset images

clienticon

382a376c69600ca78462f99f837ae7e3c8599206

clienttga

4da37304ee332c52f0f2cde62f490d8456b3d309

icon

0345070e5d8af9ee5e21b5d8ac79a1a673a2d029

logo

c68a7d360dbd121988ad03801f45509793a25552

logo_small

c68a7d360dbd121988ad03801f45509793a25552_thumb

LinuxClientIcon

2ecfc326589f5413a85b3fcf23793dcb71a2ee0b

small_capsule

english

dbf30229d446af7cce566c07f760edc3317b6385/capsule_231x87.jpg

header_image

english

header.jpg

library_assets_full

library_capsule ↴
image/english	23ba023c24a4d9c28d4606a146f0a8aa8bfdf926/library_600x900.jpg
image2x/english	23ba023c24a4d9c28d4606a146f0a8aa8bfdf926/library_600x900_2x.jpg
library_hero ↴
image/english	library_hero.jpg
library_logo ↴
image/english	logo.png
image2x/english	logo_2x.png
logo_position/pinned_position	BottomLeft
logo_position/width_pct	61.90997749437361
logo_position/height_pct	99.24008549038234
library_header ↴
image/english	e587a4458b6f123ec5a483044471c64e55d90c72/library_header.jpg
image2x/english	e587a4458b6f123ec5a483044471c64e55d90c72/library_header_2x.jpg

Assets

main_capsule	fde8f482bf24ec2d2c8690b865ce4163789a68c4/capsule_616x353.jpg
small_capsule	dbf30229d446af7cce566c07f760edc3317b6385/capsule_231x87.jpg
header	header.jpg
page_background	page_bg_generated_v6b.jpg
hero_capsule	493f77fd961677d858569395d98a6a60411daa5e/hero_capsule.jpg
hero_capsule_2x	493f77fd961677d858569395d98a6a60411daa5e/hero_capsule_2x.jpg
library_capsule	23ba023c24a4d9c28d4606a146f0a8aa8bfdf926/library_600x900.jpg
library_capsule_2x	23ba023c24a4d9c28d4606a146f0a8aa8bfdf926/library_600x900_2x.jpg
library_hero	library_hero.jpg
community_icon	0345070e5d8af9ee5e21b5d8ac79a1a673a2d029.jpg
page_background_path	app/1707900
raw_page_background	page_bg_raw.jpg
timestamp	20 December 2024 – 15:22:57 UTC

Trailers

257066909 ↴
trailer_name	Gameplay Trailer
trailer_category	1
trailer_480p/video/webm	257066909/movie480_vp9.webm
trailer_480p/video/mp4	257066909/movie480.mp4
trailer_max/video/webm	257066909/movie_max_vp9.webm
trailer_max/video/mp4	257066909/movie_max.mp4
microtrailer/video/webm	257066909/microtrailer.webm
microtrailer/video/mp4	257066909/microtrailer.mp4
screenshot_medium	257066909/a1edaa7a973c2e472750bb7c04ab16007840f598/movie_600x337.jpg
screenshot_full	257066909/a1edaa7a973c2e472750bb7c04ab16007840f598/movie_full.jpg
trailer_base_id	774613
all_ages	true
is_highlight	true
timestamp	1732608112

Delta Particles

Additional Information

Supported Languages

Tags

Categories

Assets