SteamRadar
EN
Mod Free to play App 1815330

Swelter

Swelter is a story-driven mod set several years before the events of Half-Life 2. It explores the internal tensions within the Resistance during their rebellion against the Combine in a post-Soviet Central Asian city, encircled by the scorching steppe.

Data updated 21h ago
Price
Free
US store
Reviews
92%
6,438 · Very Positive
Playing now
—
not sampled yet
24h peak
—
all-time seen —
Followers
—
Steam community hub
Owners (est.)
—
from review count
Revenue (est.)
—
gross, lifetime · how
YouTube activity
—
videos · 30 d
—
creators
—
views · 1 y
Twitch activity
—
avg viewers · 30 d
—
hours watched · 30 d
—
streamers · 30 d

Product info

from Steam's PICS · read 2d ago
Change number
40,814,343 · seen 2d ago
Public build
25,414,485 · Sep 20, 2026 (1mo ago)
Operating systems
windows
Architecture
—
Install size
19 GB · 8.6 GB download
Install folder
Swelter
Controller support
—
Metacritic
—
Release state
released
Community
hub · stats

Steam Deck

Playable

Tested Sep 28, 2023 on build 11,711,507

  • !Default controller config not fully functional
  • !Controller glyphs do not match deck device
  • !Interface text is not legible
  • !Native resolution not default
  • ✓Default configuration is performant

Branches · 3

every build Steam serves for this app
BranchBuildUpdatedDescription
public 25,414,485Sep 20, 2026 · 1mo ago
previous 20,671,406Jan 15, 2026 · 10mo ago The previous public build
upcoming 19,615,186Aug 16, 2025 · 1y ago The coming mod build

Build history

every build id we have seen on a branch (history starts with our first read)
BuildBranchReleasedFirst seen
25,414,485public Sep 20, 2026 20:243d ago
20,671,406previous Jan 15, 2026 02:213d ago
19,615,186upcoming Aug 16, 2025 13:043d ago

Depots · 1

content of the public branch
DepotNameOSLanguageDLC / sharedSizeDownloadManifest
1815331 windows 19 GB8.6 GB 8344595258625919900

Launch options · 2

ExecutableOSDescription
hl2.exe
-steam -nohmd -game "Swelter"
windows Default
hl2.exe
-steam -nohmd +cc_lang kazakh -game "Swelter_kazakh"
windows Жылу ( Swelter / Зной ) - Қазақ тіліндегі нұсқасы

Languages · 13

LanguageInterfaceFull audioSubtitles
Greek ✓—✓
French ✓—✓
German ✓—✓
Kazakh ✓—✓
Polish ✓—✓
English ✓✓✓
Korean ✓—✓
Russian ✓✓✓
Turkish ✓—✓
Japanese ✓—✓
Simplified Chinese ✓✓✓
Ukrainian ✓—✓
Vietnamese ✓—✓

Packages · 0

all packages
No packages recorded yet.

Bundles · 0

all bundles
Not part of any bundle we know.

Change numbers

all changes
#40,814,343 · 2d ago

Updates · patch notes

Steam announcements tagged as patch notes, linked to the public build they followed
all games →
No patch notes seen yet for this game.