diff --git a/games-emulation/desmume_libretro/additional-files/desmume_libretro.info.in b/games-emulation/desmume_libretro/additional-files/desmume_libretro.info.in
new file mode 100644
index 000000000..3dbc00651
--- /dev/null
+++ b/games-emulation/desmume_libretro/additional-files/desmume_libretro.info.in
@@ -0,0 +1,47 @@
+# Software Information
+display_name = "Nintendo - DS (DeSmuME)"
+authors = "YopYop156|Zeromus"
+supported_extensions = "nds|bin"
+corename = "DeSmuME"
+license = "GPLv2"
+permissions = ""
+display_version = "@DISPLAY_VERSION@"
+categories = "Emulator"
+
+# Hardware Information
+manufacturer = "Nintendo"
+systemname = "DS"
+systemid = "nds"
+
+# Libretro Features
+database = "Nintendo - Nintendo DS|Nintendo - Nintendo DS Decrypted|Nintendo - Nintendo DS (Download Play)"
+supports_no_game = "false"
+savestate = "true"
+savestate_features = "serialized"
+cheats = "true"
+input_descriptors = "true"
+memory_descriptors = "false"
+libretro_saves = "true"
+core_options = "true"
+core_options_version = "1.0"
+load_subsystem = "false"
+hw_render = "true"
+required_hw_api = "OpenGL >= 2.0 | OpenGL Core >= 3.1"
+needs_fullpath = "true"
+disk_control = "false"
+is_experimental = "false"
+
+# BIOS/Firmware
+firmware_count = 3
+firmware0_desc = "firmware.bin (NDS Firmware)"
+firmware0_path = "firmware.bin"
+firmware0_opt = "true"
+firmware1_desc = "bios7.bin (ARM7 BIOS)"
+firmware1_path = "bios7.bin"
+firmware1_opt = "true"
+firmware2_desc = "bios9.bin (ARM9 BIOS)"
+firmware2_path = "bios9.bin"
+firmware2_opt = "true"
+notes = "(!) firmware.bin (md5): 145eaef5bd3037cbc247c213bb3da1b3|(!) bios7.bin (md5): df692a80a5b1bc90728bc3dfc76cd948|(!) bios9.bin (md5): a392174eb3e572fed6447e956bde4b25|[1] Enable 'Use External BIOS/Firmware' core option to use firmware files"
+
+description = "A port of the mature and longstanding DeSmuME emulator for Nintendo's DS console to libretro. The core has very good compatibility and many modern features, including increased internal resolution (very demanding)."
diff --git a/games-emulation/desmume_libretro/desmume_libretro-0.9.11_20210512.recipe b/games-emulation/desmume_libretro/desmume_libretro-0.9.11_20210512.recipe
new file mode 100644
index 000000000..2eaeab7ee
--- /dev/null
+++ b/games-emulation/desmume_libretro/desmume_libretro-0.9.11_20210512.recipe
@@ -0,0 +1,54 @@
+SUMMARY="A port of Desmume, a Nintendo DS emulator for the libretro API"
+DESCRIPTION="A port of the mature and longstanding DeSmuME emulator for \
+Nintendo's DS console to libretro. The core has very good compatibility \
+and many modern features, including increased internal resolution (very \
+demanding)."
+HOMEPAGE="http://desmume.org/"
+COPYRIGHT="2006-2021 YopYop156, Zeromus, the libretro team"
+LICENSE="GNU GPL v2"
+REVISION="1"
+srcGitRev="815a92f5c9e5afa7f0f4a3989745835bf83427de"
+SOURCE_URI="https://github.com/libretro/desmume/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="7993c8eded875b4acf14b252d1583ae070ce2d08dacfe071d9b6de44d1dbe499"
+SOURCE_FILENAME="desmume-${portVersion/_/-}-$srcGitRev.tar.gz"
+SOURCE_DIR="desmume-$srcGitRev"
+ADDITIONAL_FILES="desmume_libretro.info.in"
+
+ARCHITECTURES="!x86_gcc2 ?x86 x86_64"
+SECONDARY_ARCHITECTURES="x86"
+
+PROVIDES="
+	desmume_libretro$secondaryArchSuffix = $portVersion
+	addon:desmume_libretro$secondaryArchSuffix = $portVersion
+	"
+REQUIRES="
+	haiku$secondaryArchSuffix
+	retroarch$secondaryArchSuffix
+	"
+
+BUILD_REQUIRES="
+	haiku${secondaryArchSuffix}_devel
+	libpcap${secondaryArchSuffix}_devel
+	"
+BUILD_PREREQUIRES="
+	cmd:gcc$secondaryArchSuffix
+	cmd:make
+	"
+
+BUILD()
+{
+	sed -e "s/@DISPLAY_VERSION@/v${portVersion/_/-}/" \
+		$portDir/additional-files/desmume_libretro.info.in \
+		> desmume_libretro.info
+	make -C desmume/src/frontend/libretro/ $jobArgs
+}
+
+INSTALL()
+{
+	install -m 0755 -d "$docDir"
+	install -m 0644 -t "$docDir" README.md
+	install -m 0755 -d "$addOnsDir"/libretro
+	install -m 0644 -t "$addOnsDir"/libretro \
+		desmume_libretro.info \
+		desmume/src/frontend/libretro/desmume_libretro.so
+}