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Half-Rats: Parasomnia

Wishlist Follow Ignore Install Unwatch Watch
App ID 638360
App Type Game
Developer
Publisher Heath Games
Supported Systems Windows Linux
Technologies GoldSource Engine
Last Changenumber 31540067
Last Record Update 8 October 2025 – 03:19:58 UTC ()
Release Date 31 October 2017 – 07:13:45 UTC ()
❓ 62.92%
164 reviews
0
In-Game
🆓 Free to Play 💥 Action 🗺️ Adventure 😖 Gore 👊 Violent

A single-player total-conversion Horror modification for Half-Life 1, set in the late 1800's.

Additional Information

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

Developer Heath Games
DLCAvailableOnStore Yes
RequiredAppID Half-Life (70)
ReleaseState released
Publisher Heath Games
IsFreeApp Yes
Exclude from family sharing (exfgls) 3 (Free Game)
Store Release Date 31 October 2017 – 07:13:45 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Action (1)
Store Genres Action (1), Adventure (25), Free to Play (37)
Steam Release Date 31 October 2017 – 07:13:45 UTC ()
Store Asset Modification Time 28 April 2025 – 20:59:33 UTC () (1745873973)
Is free on the store? Yes
review_score 5
review_percentage 66
Detected Technologies (?) GoldSource Engine, CEF SDK, FMOD SDK, Miles_Sound_System SDK, SDL SDK
restricted_countries DE
Germany
Content Descriptors Frequent Violence or Gore (2), General Mature Content (5)
controllertagwizard Yes
First seen on SteamDB 12 May 2017 – 03:43:14 UTC (), in changelist #2974864
Content Descriptors (Including DLC) Frequent Violence or Gore (2), General Mature Content (5)

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes Yes Yes

Tags

🆓 Free to Play 💥 Action 🗺️ Adventure 😖 Gore 👊 Violent 🔧 Mod 😱 Horror

Categories

Single-player Captions available Steam Cloud

Accessibility Categories

Camera Comfort Stereo Sound Playable without Timed Input Adjustable Difficulty Save Anytime

Assets

Load all asset images
clienticon 058b4ee57cf096db1f0d7c6a89f782257b1e1da0
clienttga b2f28f900b1869587d5ae873340001241614bc8d
icon cb0c42f3a0f72c0cb35fc14dfe62f322c2813738
logo 54aa5e2658e5d5077626df5a4c35ca9118727f05
logo_small 54aa5e2658e5d5077626df5a4c35ca9118727f05_thumb
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
store_screenshot ss_30c1ac0d308358266d03bdf681bb6886ca4316fa.jpg
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
library_capsuleportrait.png
community_iconcb0c42f3a0f72c0cb35fc14dfe62f322c2813738.jpg
page_background_pathapp/638360
raw_page_backgroundpage_bg_raw.jpg
timestamp13 September 2025 – 08:59:02 UTC
Trailers
131073 ↴
trailer_nameHalf-Rats: Parasomnia Released Today!
trailer_category0
trailer_480p/video/webm256699807/movie480.webm
trailer_480p/video/mp4256699807/movie480.mp4
trailer_max/video/webm256699807/movie_max.webm
trailer_max/video/mp4256699807/movie_max.mp4
microtrailer/video/webm638360/131073/59a5702d5db1e213ee47bbe9f61d118d58d75077/1751126928/microtrailer.webm
microtrailer/video/mp4638360/131073/59a5702d5db1e213ee47bbe9f61d118d58d75077/1751126928/microtrailer.mp4
adaptive_trailers/0/cdn_path638360/131073/59a5702d5db1e213ee47bbe9f61d118d58d75077/1751126928/dash_av1.mpd
adaptive_trailers/0/encodingdash_av1
adaptive_trailers/1/cdn_path638360/131073/59a5702d5db1e213ee47bbe9f61d118d58d75077/1751126928/dash_h264.mpd
adaptive_trailers/1/encodingdash_h264
adaptive_trailers/2/cdn_path638360/131073/59a5702d5db1e213ee47bbe9f61d118d58d75077/1751126928/hls_264_master.m3u8
adaptive_trailers/2/encodinghls_h264
screenshot_medium256699807/movie.293x165.jpg
screenshot_full256699807/movie_full.jpg
all_agestrue
is_highlighttrue
timestamp1509464121
102577 ↴
trailer_nameHalf-Rats: Parasomnia Official Trailer
trailer_category0
trailer_480p/video/webm256684929/movie480.webm
trailer_480p/video/mp4256684929/movie480.mp4
trailer_max/video/webm256684929/movie_max.webm
trailer_max/video/mp4256684929/movie_max.mp4
microtrailer/video/webm638360/102577/6f8953490d91101aec9fdc99c3aefd13d99efe6e/1751126923/microtrailer.webm
microtrailer/video/mp4638360/102577/6f8953490d91101aec9fdc99c3aefd13d99efe6e/1751126923/microtrailer.mp4
adaptive_trailers/0/cdn_path638360/102577/6f8953490d91101aec9fdc99c3aefd13d99efe6e/1751126923/dash_av1.mpd
adaptive_trailers/0/encodingdash_av1
adaptive_trailers/1/cdn_path638360/102577/6f8953490d91101aec9fdc99c3aefd13d99efe6e/1751126923/dash_h264.mpd
adaptive_trailers/1/encodingdash_h264
adaptive_trailers/2/cdn_path638360/102577/6f8953490d91101aec9fdc99c3aefd13d99efe6e/1751126923/hls_264_master.m3u8
adaptive_trailers/2/encodinghls_h264
screenshot_medium256684929/movie.293x165.jpg
screenshot_full256684929/movie_full.jpg
all_agestrue
is_highlighttrue
timestamp1508913998

User File System

Key Value
quota 100.00 MiB (104857600)
maxnumfiles 500
savefiles
0 ↴
rootgameinstall
pathhrp/SAVE
pattern*.sav
1 ↴
rootgameinstall
pathhrp
patternconfig.cfg
2 ↴
rootgameinstall
pathhrp
patternautoexec.cfg

Save File Locations

Based on the configuration above, this is where we think the save files are located.

Read more about cloud saves in Steamworks documentation.

Platform Path Pattern
[All OSes] [Steam Library]/steamapps/common/Half-Rats - Parasomnia/hrp/SAVE *.sav
[All OSes] [Steam Library]/steamapps/common/Half-Rats - Parasomnia/hrp config.cfg
[All OSes] [Steam Library]/steamapps/common/Half-Rats - Parasomnia/hrp autoexec.cfg
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