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	<title>Launch options - Revision history</title>
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	<updated>2026-10-28T08:32:39Z</updated>
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		<id>https://wiki.teamspec.net/index.php?title=Launch_options&amp;diff=844&amp;oldid=prev</id>
		<title>TeamSpecBot: Launch options: graphics API, safe rendering, processor share for loading</title>
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		<updated>2026-10-24T00:46:30Z</updated>

		<summary type="html">&lt;p&gt;Launch options: graphics API, safe rendering, processor share for loading&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;#039;&amp;#039;&amp;#039;Launch options&amp;#039;&amp;#039;&amp;#039; are words added to the command that starts the game. They override your [[Settings]] for that launch only, and they help when the game will not start, crashes while loading, or makes the rest of your computer struggle while it loads.&lt;br /&gt;
&lt;br /&gt;
== Setting them in Steam ==&lt;br /&gt;
# In your Steam Library, right-click &amp;#039;&amp;#039;&amp;#039;TeamSpec&amp;#039;&amp;#039;&amp;#039; and choose &amp;#039;&amp;#039;&amp;#039;Properties&amp;#039;&amp;#039;&amp;#039;.&lt;br /&gt;
# On the &amp;#039;&amp;#039;&amp;#039;General&amp;#039;&amp;#039;&amp;#039; tab, type the options into &amp;#039;&amp;#039;&amp;#039;Launch Options&amp;#039;&amp;#039;&amp;#039;, separated by spaces.&lt;br /&gt;
# Start the game. To stop using them, clear the box.&lt;br /&gt;
&lt;br /&gt;
== Options ==&lt;br /&gt;
{| class=&amp;quot;wikitable&amp;quot;&lt;br /&gt;
! Option !! What it does&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;--rendering-driver vulkan&amp;lt;/code&amp;gt; || Starts with the Vulkan graphics API, whatever &amp;#039;&amp;#039;&amp;#039;Graphics API&amp;#039;&amp;#039;&amp;#039; is set to in [[Settings]] &amp;gt; Video.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;--rendering-driver d3d12&amp;lt;/code&amp;gt; || Starts with Direct3D 12 instead.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;--safe-rendering&amp;lt;/code&amp;gt; || Turns threaded rendering off, and while a loading screen is up, prepares the game&amp;#039;s graphics one piece at a time instead of on several cores at once. Loading takes longer. Try it if the game crashes on startup or while loading.&lt;br /&gt;
|-&lt;br /&gt;
| &amp;lt;code&amp;gt;--compile-thread-ratio&amp;lt;/code&amp;gt; &amp;#039;&amp;#039;share&amp;#039;&amp;#039; || How much of your processor the game may use to prepare its graphics, from &amp;lt;code&amp;gt;0&amp;lt;/code&amp;gt; to &amp;lt;code&amp;gt;1&amp;lt;/code&amp;gt;. The default is &amp;lt;code&amp;gt;0.75&amp;lt;/code&amp;gt;, three quarters, which leaves the rest of your computer room to keep working while the game loads. A lower value such as &amp;lt;code&amp;gt;0.5&amp;lt;/code&amp;gt; leaves more room and loads more slowly; &amp;lt;code&amp;gt;1&amp;lt;/code&amp;gt; lets the game use all of it, and &amp;lt;code&amp;gt;0&amp;lt;/code&amp;gt; removes the limit.&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
For example, &amp;lt;code&amp;gt;--rendering-driver vulkan --safe-rendering&amp;lt;/code&amp;gt; starts with Vulkan and safe rendering together.&lt;br /&gt;
&lt;br /&gt;
== If the game will not start ==&lt;br /&gt;
* Try the other graphics API first: &amp;lt;code&amp;gt;--rendering-driver vulkan&amp;lt;/code&amp;gt; or &amp;lt;code&amp;gt;--rendering-driver d3d12&amp;lt;/code&amp;gt;. If one cannot start at all, the game falls back to the other on its own.&lt;br /&gt;
* If it starts but crashes while loading, add &amp;lt;code&amp;gt;--safe-rendering&amp;lt;/code&amp;gt;.&lt;br /&gt;
* If your computer stutters or its sound cuts out while the game loads, try &amp;lt;code&amp;gt;--compile-thread-ratio 0.5&amp;lt;/code&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
The first launch after a game update or a graphics driver update takes longer than usual, because the game prepares its graphics again for your hardware. Later launches reuse that work.&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[Settings]]&lt;br /&gt;
* [[Developer console]]&lt;br /&gt;
&lt;br /&gt;
{{Game nav}}&lt;br /&gt;
[[Category:Gameplay]]&lt;/div&gt;</summary>
		<author><name>TeamSpecBot</name></author>
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