ValveSoftware/source-sdk-2013

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The 2013 edition of the Source SDK

Stars: 10k
Forks: 3k
Open beginner issues: 0
Indexed issues: 383
Avg merge: 8d 11h
Merged PRs (30d): 2

Dominant language: C++
License: No license data
Last GitHub push: Sep 5, 2026
Latest indexed: Sep 20, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

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383 open issues indexed

Just change the AppID in the sample gameinfos to HL2DM. Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

ValveSoftware/source-sdk-2013#2092 · Opened Sep 19, 2026
Bug Report: Valve Update Breaks Steam Game Server Visibility on Linux/ARM Emulation Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ValveSoftware/source-sdk-2013#2042 · Opened Aug 30, 2026
Pull fixes from Alien Swarm to the Color Correction Menu Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ValveSoftware/source-sdk-2013#2004 · 4 reactions · Opened Aug 19, 2026
Is source sdk updated to work with 20th anniversary? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ValveSoftware/source-sdk-2013#1998 · 4 comments · Opened Aug 16, 2026
npc_citizen dont recieve damage Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1990 · Opened Jul 30, 2026
[TF2 SDK] Linux Dedicated servers doesn't connect to item servers Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ValveSoftware/source-sdk-2013#1980 · 1 comment · Opened Jul 21, 2026
$detailblendfactor is not respected by UnlitGeneric material shader Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

ValveSoftware/source-sdk-2013#1975 · 1 comment · Opened Jul 19, 2026
Model scaling turns quadratic for one-bone models compiled without $staticprop Open

Difficulty 3/5 1-2 days Newbie friendliness 72/100

ValveSoftware/source-sdk-2013#1974 · 1 comment · Opened Jul 18, 2026
Proper Dedicated server build scripts and itemserver bug Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1962 · 4 comments · 8 reactions · Opened Jun 25, 2026
[Any] VPhysics x64 crashes in 2 places when vehicles are not modelscale 1.0 Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ValveSoftware/source-sdk-2013#1961 · 4 reactions · Opened Jun 21, 2026
Brush face texture x y scale (and potentially other data) should be exposed to shaders Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1937 · Opened May 26, 2026
TF2 SDK doesnt has the current vscript that's in the live tf2 Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ValveSoftware/source-sdk-2013#1921 · 2 comments · Opened May 16, 2026
Access violation when calling either of the `Get/SetKeyValuesExpressionSymbol` funcs multiple times Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

ValveSoftware/source-sdk-2013#1918 · 3 reactions · Opened May 11, 2026
tangentSpaceTranspose matrix in lightmappedgeneric should be correct when TANGENTSPACE parameter is set to true and the material has no envMap or bumpMap Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ValveSoftware/source-sdk-2013#1916 · 1 comment · Opened May 11, 2026
VBSP generates wrong collision for some brushes Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ValveSoftware/source-sdk-2013#1903 · 15 reactions · Opened Apr 27, 2026
VBSP: Argument mismatch for -dumpstaticprops Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

ValveSoftware/source-sdk-2013#1901 · 1 comment · Opened Apr 25, 2026
Day Night Cycle Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1890 · 3 comments · 6 reactions · Opened Apr 16, 2026
Push the changes made to the engine to the SDK Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1848 · 6 comments · 20 reactions · Opened Mar 21, 2026
Error Happens Although I Followed The Solution To Another Issue Here Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1844 · Opened Mar 16, 2026
Missing Sixense header (isixense.h) Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

ValveSoftware/source-sdk-2013#1810 · 3 comments · 1 reaction · Opened Feb 17, 2026
[Question] How to compile for Windows on Linux. Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ValveSoftware/source-sdk-2013#1806 · 1 comment · Opened Feb 15, 2026
the game crashes after the valve intro plays , and this shows up Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

ValveSoftware/source-sdk-2013#1801 · 1 comment · Opened Feb 13, 2026
Source code for Dedicated Server launcher Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1796 · 3 comments · Opened Feb 10, 2026
[TF2] Unable to draw other players' Stat Clocks in TF2 SDK Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1765 · 3 reactions · Opened Jan 14, 2026
port SFM to 64bit/source sdk 2013 Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

ValveSoftware/source-sdk-2013#1742 · 12 comments · 4 reactions · Opened Jan 4, 2026
Include mkentitypatch Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1725 · Opened Dec 28, 2025
Source 2013 Singleplayer Crashes Immediately When Launched [Linux] Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1722 · 5 comments · 1 reaction · Opened Dec 26, 2025
IsKeypad function logic is incorrect Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

ValveSoftware/source-sdk-2013#1708 · 1 comment · Opened Dec 15, 2025
CNavAreas have incorrect lighting information Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

ValveSoftware/source-sdk-2013#1707 · 3 reactions · Opened Dec 14, 2025
Debug config. resets each VPC rebuild Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1694 · Opened Dec 7, 2025
Subpixel gaps in models with MSAA only in the SDK Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1689 · 2 comments · 1 reaction · Opened Dec 3, 2025
FindFirstEx and FindFirst on Linux cannot find anything with '*_' wildcard Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1638 · 1 comment · Opened Nov 8, 2025
changing VGUI scaling convars breaks the server browser Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ValveSoftware/source-sdk-2013#1550 · 1 comment · 4 reactions · Opened Oct 11, 2025
[TF2] Support for more than one activity in a sequence. Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

ValveSoftware/source-sdk-2013#1545 · 1 comment · 3 reactions · Opened Oct 2, 2025
{TF2] How to make custom gamemodes Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ValveSoftware/source-sdk-2013#1521 · 1 comment · Opened Sep 3, 2025
[All] Explain client crash reason when malicious server sends CUtlVector length not in allowed range Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

ValveSoftware/source-sdk-2013#1511 · 4 comments · Opened Aug 26, 2025
Add TF2 raw scenes for scenes.image building Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

ValveSoftware/source-sdk-2013#1482 · 1 comment · 9 reactions · Opened Aug 7, 2025
local windows debugger show this error when i try to debug/test Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1467 · 1 comment · Opened Jul 31, 2025
[Request] backport dota 2 pre-reborn's cloth simulation Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1465 · 1 comment · 11 reactions · Opened Jul 31, 2025
<cstdint> usage in source engine. Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1464 · 2 comments · Opened Jul 30, 2025
Useing more then 64 groups rules in soundmixers.txt silently corrups memory Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

ValveSoftware/source-sdk-2013#1453 · 3 reactions · Opened Jul 26, 2025
cant find background Open

Difficulty 5/5 Over a week Newbie friendliness 10/100

ValveSoftware/source-sdk-2013#1449 · 1 comment · Opened Jul 25, 2025
multiple errors when trying to build an unmodified exe Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1438 · 6 comments · Opened Jul 20, 2025
Source: Merging the rel_hl2(from TF2) and rel_multiplayer(from other games) branches? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

ValveSoftware/source-sdk-2013#1431 · 1 comment · Opened Jul 16, 2025
[Request] Colorable prop_static's Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1425 · 2 comments · 9 reactions · Opened Jul 14, 2025
Valve IP Guidelines for SDK Clarification Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

ValveSoftware/source-sdk-2013#1422 · 3 comments · 3 reactions · Opened Jul 12, 2025
[TF2] Decrypt all TF class and weapon definitions for use in mods Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

ValveSoftware/source-sdk-2013#1395 · 1 comment · 15 reactions · Opened Jul 2, 2025
[TF2] Provide documentation on adding custom classes and weapons Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1394 · 1 comment · Opened Jul 2, 2025
Release inputsystem code Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1378 · 1 comment · 4 reactions · Opened Jun 24, 2025
Add in the steam networking updates from TF2's updates on May 13, 2025 into Src SDK 2013 MP/ and possibly other source games Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

ValveSoftware/source-sdk-2013#1374 · 1 comment · 11 reactions · Opened Jun 23, 2025

ValveSoftware/source-sdk-2013

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