diff --git a/ports/gamenetworkingsockets/portfile.cmake b/ports/gamenetworkingsockets/portfile.cmake
new file mode 100644
index 00000000000000..a419c6e46e5519
--- /dev/null
+++ b/ports/gamenetworkingsockets/portfile.cmake
@@ -0,0 +1,31 @@
+vcpkg_check_linkage(ONLY_DYNAMIC_LIBRARY)
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO ValveSoftware/GameNetworkingSockets
+    REF v1.2.0
+    SHA512 d179fd8f221236beb161723ca133c1f7c574f5d8d9364aaa0de27c64c8661b26b17e3395f42f5245276a05a1399146e56e462d3ec1bb23847955225a99f8d2e3
+    HEAD_REF master
+)
+
+set(CRYPTO_BACKEND OpenSSL)
+
+vcpkg_configure_cmake(
+    SOURCE_PATH ${SOURCE_PATH}
+    PREFER_NINJA
+    OPTIONS
+    -DGAMENETWORKINGSOCKETS_BUILD_TESTS=OFF
+    -DGAMENETWORKINGSOCKETS_BUILD_EXAMPLES=OFF
+    -DUSE_CRYPTO=${CRYPTO_BACKEND}
+    -DUSE_CRYPTO25519=${CRYPTO_BACKEND}
+)
+
+vcpkg_install_cmake()
+file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
+
+vcpkg_fixup_cmake_targets(CONFIG_PATH "lib/cmake/GameNetworkingSockets" TARGET_PATH "share/GameNetworkingSockets")
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/include")
+
+vcpkg_copy_pdbs()
diff --git a/ports/gamenetworkingsockets/vcpkg.json b/ports/gamenetworkingsockets/vcpkg.json
new file mode 100644
index 00000000000000..8daf49b829445b
--- /dev/null
+++ b/ports/gamenetworkingsockets/vcpkg.json
@@ -0,0 +1,12 @@
+{
+  "name": "gamenetworkingsockets",
+  "version-string": "2020-09-02",
+  "description": "GameNetworkingSockets is a basic transport layer for games.",
+  "homepage": "https://github.com/ValveSoftware/GameNetworkingSockets",
+  "license": "BSD-3-Clause",
+  "supports": "!(static & windows) & !uwp & !(arm64 & windows)",
+  "dependencies": [
+    "openssl",
+    "protobuf"
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index db198be6f94268..2faf2ad2b139a7 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -2048,6 +2048,10 @@
       "baseline": "0.18.1",
       "port-version": 0
     },
+    "gamenetworkingsockets": {
+      "baseline": "2020-09-02",
+      "port-version": 0
+    },
     "gamma": {
       "baseline": "gamma-2018-01-27",
       "port-version": 2
diff --git a/versions/g-/gamenetworkingsockets.json b/versions/g-/gamenetworkingsockets.json
new file mode 100644
index 00000000000000..52d5c8685b2b5b
--- /dev/null
+++ b/versions/g-/gamenetworkingsockets.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "42d95ab20685b00bc64cad1500f559d5b185a3a5",
+      "version-string": "2020-09-02",
+      "port-version": 0
+    }
+  ]
+}