Feature Tag

Games that share the Includes Source SDK tag. Compare player reviews and find your next pick.

Includes Source SDK

Categories (59)

Genres (18)

Tags (223)

Rating

0%–100%(52)

0%100%

Price

$0–$30(33)

$0$30

Reviews

0–1.3M(52)

Release

2004–2025(58)

20042025

Garry's Mod

97%1.3m97% positive reviews, Overwhelmingly Positive across 1.3m reviews·2006·Sandbox · Moddable

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Left 4 Dead 2

98%1.1m98% positive reviews, Overwhelmingly Positive across 1.1m reviews·2009·Zombies · FPS

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Half-Life 2

98%281k98% positive reviews, Overwhelmingly Positive across 281k reviews·2004·FPS · Sci-fi

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Portal

99%200k99% positive reviews, Overwhelmingly Positive across 200k reviews·2007·Puzzle · Puzzle Platformer

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Counter-Strike: Source

96%194k96% positive reviews, Overwhelmingly Positive across 194k reviews·2004·Shooter · FPS

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Black Mesa

95%145k95% positive reviews, Overwhelmingly Positive across 145k reviews·2020·FPS · Remake

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No More Room in Hell

90%77k90% positive reviews, Very Positive across 77k reviews·2011·Zombies · Multiplayer

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Left 4 Dead

96%68k96% positive reviews, Overwhelmingly Positive across 68k reviews·2008·Zombies · Multiplayer

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Half-Life 2: Episode Two

97%41k97% positive reviews, Overwhelmingly Positive across 41k reviews·2007·Action

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Half-Life 2: Episode One

96%31k96% positive reviews, Overwhelmingly Positive across 31k reviews·2006·Action

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Holdfast: Nations At War

90%24k90% positive reviews, Very Positive across 24k reviews·2020·Shooter · Multiplayer

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Day of Infamy

84%18k84% positive reviews, Very Positive across 18k reviews·2017·World War II · FPS

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