HTPC Windows Games — Compat Status

Live status of non-Steam Windows games added to Steam on Bazzite HTPC (bazzite@192.168.1.86). Setup started 2026-05-22.

Working ✅

Fallout 4
Vladik Brutal
Red Alert 3
Rayman Origins (fixed 2026-05-23 — GE-Proton10-34 + WINEDLLOVERRIDES=\"d3d9=b\" %command%)
Samurai Gunn (works but gamepad not detected)
GTA V, Cuphead (assumed; not retested)

Removed from Steam shortcuts ✅

Human Fall Flat (3928445186) — already in real Steam
Shovel Knight (2526703384) — already in real Steam

Recently added — not yet tested

Game	AppID (signed)	AppID (unsigned)	Proton	Path
VK GameCenter	-555655402	3739311894	GE-Proton10-34	`/run/media/bazzite/Windows/users/mallexxx/AppData/Local/GameCenter/GameCenter.exe`
Atomic Heart VK	-475792602	3819174694	GE-Proton10-34	`/run/media/bazzite/Data/gamecenter/atomic heart/AtomicHeart.exe`

Примечание: требуется авторизация в VK Play через лаунчер. VK Play использует mycomgames:// URL-схему. Atomic Heart официально совместим со Steam Deck/Proton (подтверждено VK Play).

Mapped to GE-Proton10-34 but still broken (need further investigation)

These were swapped to GE-Proton in hopes its bundled VC++/d3dcompiler/dotnet/dxvk-async would fix them. Same symptoms as before — GE-Proton may be reusing the existing prefix's wine state. Next: consider deleting pfx/ to force GE-Proton to regenerate cleanly.

Game	AppID	Symptom	LaunchOpt set
Brawlhalla	2410005953	Doesn't start	`WINEDLLOVERRIDES=\"msvcp140,vcruntime140=n,b\"`
Castle Crashers	3048471472	"crash, mini dump sent"	`WINEDLLOVERRIDES=\"msvcp140,vcruntime140=n,b\"`
Worms WMD	3846411911	Doesn't start	`WINEDLLOVERRIDES=\"msvcp140,vcruntime140,d3dcompiler_47=n,b\"`
Worms World Party	2401592779	Doesn't start	`WINEDLLOVERRIDES=\"msvcp140,vcruntime140=n,b\"`
Duck Game	2926094216	Won't launch	`WINEDLLOVERRIDES=\"msvcp140,vcruntime140=n,b\"`

Moved to Luxtorpeda — need testing

Game	AppID	Before	After	Status
Doom 3 BFG	3602815006	GE-Proton10-34 (white screen, audio plays)	Luxtorpeda → rbdoom-3-bfg (native Linux engine)	LaunchOptions `PROTON_USE_WINED3D=1` removed ✅

Still broken — fundamental issues

Game	AppID	Symptom	What's known	What might help
Atomic Bomberman / BM95	2875360586	Crash "instruction at 0x0 referenced 0x7" before main window	Win3.1-era PE32 (Windows 4.00 subsystem). Tried: `proton_8`, registry `Version=win98`, virtual desktop 640×480, `[Services\\WineBus] Map Controllers=0 + Enable SDL=0`, LaunchOpt `SDL_JOYSTICK_DISABLE=1`	Run in dedicated 32-bit Wineprefix (`WINEARCH=win32`); try Wine ≤ 9.x; or DOSBox‑X
Discworld Noir	2361018632	"Please insert disk III" prompt (in Russian, after Cyrillic fix)	Russian "Zatmenie v2" 2-CD release. 69 missing files copied ✅. Drive D: → cd2 folder as CD-ROM	Try drive D: → cd1; or mount `.nrg` images
Final Fantasy X HD	2642741094	Was Japanese, no saves	`GameSetting.ini Language=jp → en` (copied from Windows)	Test pending
Metal Slug X	2938712902	Speed wrong, controls dead	(none)	Neo-Geo emulator config issue, not Wine
Metro Exodus	3594910936	"Unable to create interface isteamuser"	VC++ runtime copied; LaunchOpt `WINEDLLOVERRIDES`	Needs Goldberg `steam_api64.dll` emulator + `steam_appid.txt`
Split Second	3871231787	Green artifacts	LaunchOpt `PROTON_USE_WINED3D=1`	Switch to GE-Proton; or copy `d3dx9_*.dll` from Windows
Super Bomberman R2	3340354231	Gamepad not detected	(none)	Steam Input config issue

VDF Incident — 2026-05-27

Что произошло

При попытке добавить VK GameCenter и Atomic Heart VK в shortcuts.vdf через Python vdf.binary_load/dump на работающем Steam, Steam переписал VDF при старте, создав 110 пустых записей-заглушек. Все бэкапы (bak, bak-launch, bak2-6, clean, timestamped) также оказались пустыми — они были сделаны уже после того как Steam испортил файл.

Как восстановили

Обнаружено что shortcuts.vdf.bak-eagle (23 мая, 50720 байт) содержит 106 живых шорткатов. Проблема с vdf.binary_loads — он ищет ключи с точным регистром: AppName, а не appname.

Остановлен Steam (systemctl --user stop gamescope-session-plus@steam.service)
Считан bak-eagle, добавлены записи VK GameCenter (index 106) и Atomic Heart VK (index 107)
AppID в shortcuts.vdf — signed int32; в config.vdf CompatToolMapping добавлены как unsigned uint32
После записи обнаружено несоответствие appid — в config.vdf уже были entries с другими appid от предыдущих попыток
Перегенерация shortcuts.vdf с appid, совпадающими с config.vdf: VK GameCenter = -555655402, Atomic Heart VK = -475792602
Удалены дублирующиеся unsigned записи из config.vdf
Создан бэкап shortcuts.vdf.whale-restored-2026-05-27

Восстановленный backups

shortcuts.vdf.bak-eagle — 106 entries, чистый, не тронут ✅
shortcuts.vdf.whale-restored-2026-05-27 — 108 entries (106 старых + VK GameCenter + Atomic Heart VK) ✅

Уроки

Редактировать shortcuts.vdf ТОЛЬКО при остановленном Steam
vdf.binary_loads: ключи с точным регистром (AppName, Exe, а не appname, exe)
signed appid в shortcuts.vdf → unsigned (signed & 0xFFFFFFFF) в CompatToolMapping config.vdf
Перед добавлением новой пары шорткат+Proton — проверить, нет ли уже CompatToolMapping с нужным appid в config.vdf
Делать бэкап ДО любых изменений, а не после

Fixes done (filesystem / config / cover-art)

Cover art swapped: Atomic Bomberman, Discworld Noir, SBR2, FFVI, ALttP, Sunset Riders
"Captain Commando" Steam shortcut renamed → "Sunset Riders"
CompatToolMapping for all AppIDs in config.vdf:
- GE-Proton10-34: Brawlhalla, Castle Crashers, Worms WMD, Worms WP, Duck Game, Rayman Origins, VK GameCenter, Atomic Heart VK, insaneramzes Atomic Heart
- Proton 8.0: Atomic Bomberman, Discworld Noir, Metal Slug X, Soldat, Red Alert 3, Split Second
- Luxtorpeda: Doom 3 BFG
- Proton Experimental: ~24 remaining games
Doom 3 BFG moved to Luxtorpeda → rbdoom-3-bfg (native Linux engine, 2026-05-27)
Rayman Legends: Ubisoft Connect copied from Windows partition into prefix + registry
Discworld Noir fixes (symlink, Cyrillic locale, missing files, drive D:)
FFX HD: GameSetting.ini replaced with English+HD version
VC++ runtime DLLs + d3dcompiler_43/47 copied into 6 prefixes from Windows partition
Duck Game prefix: XNA 4.0 framework dir copied from Windows
Atomic Bomberman prefix: Version=win98 + virtual desktop 640×480 + WineBus disabled
GE-Proton10-34 installed to ~/.steam/steam/compatibilitytools.d/

Source assets discovered on Windows partition

/run/media/bazzite/Windows/Program Files (x86)/Ubisoft/ubisoft game launcher/ (595 MB)
/run/media/bazzite/Windows/Windows/System32/ and SysWOW64/ — VC++ runtime, d3dcompiler, xinput DLLs
/run/media/bazzite/Windows/Program Files (x86)/Microsoft XNA/ — XNA 4.0 Framework
/run/media/bazzite/Windows/Microsoft.NET/Framework64/v4.0.30319/ — .NET 4.0
/run/media/bazzite/Data/downloads/zatmenie v2 [torrents.ru]/ — Discworld Noir source (cd1, cd2, .nrg images)
/run/media/bazzite/Windows/Users/mallexxx/documents/square enix/... — FFX gamesetting.ini

Open questions / next steps

Try deleting pfx/ folders for the still-broken GE-Proton games (Brawlhalla, Castle Crashers, Worms WMD/WP, Duck Game)
Atomic Bomberman: create separate 32-bit Wineprefix outside Proton
Discworld Noir: try drive D: → cd1 or mount .nrg images
Metro Exodus: ask user if OK to use Goldberg Steam emulator
Atomic Heart VK: test VK Play авторизацию через Proton, при необходимости — protontricks vcrun2019
Doom 3 BFG: test с Luxtorpeda → rbdoom-3-bfg (должно работать с нативным OpenGL)

Lessons learned / Infra notes

shortcuts.vdf is binary VDF; edit only with Steam closed
config.vdf is text VDF; CompatToolMapping block controls per-AppID Proton
Steam reads both vdfs on startup, writes back from in-memory state on exit
protontricks (Flatpak) needs flatpak override --user --filesystem=/var/home/bazzite/.local/share/Steam
Parallel protontricks runs on same Proton version conflict
xvfb-run protontricks <verb> — MS-redist EXE installers hang on invisible button click. Workaround: copy DLLs from Windows partition
For Cyrillic/locale: Proton needs HOST_LANG / HOST_LC_ALL env vars
Background jobs that survive SSH disconnect: systemd-run --user --unit=<name>
GE-Proton install: extract tar.gz into ~/.steam/steam/compatibilitytools.d/
vdf.binary_loads key names are case-sensitive: AppName, not appname
signed appid in shortcuts.vdf ↔ unsigned in config.vdf CompatToolMapping

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