diff --git a/games-action/prismlauncher/Manifest b/games-action/prismlauncher/Manifest
new file mode 100644
index 0000000..ff9e45a
--- /dev/null
+++ b/games-action/prismlauncher/Manifest
@@ -0,0 +1 @@
+DIST prismlauncher-9.1.tar.gz 8460672 BLAKE2B 1bb31dab88d9ca4317e61b6938f9b5aeb0b76cab3407d69b62ecf9bfa1ade3308a8927f53e020b6531fbe0cce962c7e560727298a911f07b9fec1f51b1470cd9 SHA512 5a486bb0034464be873d80512ba164fab44eb60e3abda28771387f8bed471c5a323269a5f961a0950692915698b849bb4e7de7405c26e3ad29aa8732f140a66d
diff --git a/games-action/prismlauncher/files/prismlauncher-9.1-openjdk21.patch b/games-action/prismlauncher/files/prismlauncher-9.1-openjdk21.patch
new file mode 100644
index 0000000..99f2724
--- /dev/null
+++ b/games-action/prismlauncher/files/prismlauncher-9.1-openjdk21.patch
@@ -0,0 +1,44 @@
+https://bugs.gentoo.org/917072
+--- a/libraries/launcher/CMakeLists.txt
++++ b/libraries/launcher/CMakeLists.txt
+@@ -1,10 +1,10 @@
+ cmake_minimum_required(VERSION 3.9.4)
+ project(launcher Java)
+-find_package(Java 1.7 REQUIRED COMPONENTS Development)
++find_package(Java 1.8 REQUIRED COMPONENTS Development)
+
+ include(UseJava)
+ set(CMAKE_JAVA_JAR_ENTRY_POINT org.prismlauncher.EntryPoint)
+-set(CMAKE_JAVA_COMPILE_FLAGS -target 7 -source 7)
++set(CMAKE_JAVA_COMPILE_FLAGS -target 8 -source 8)
+
+ set(SRC
+     org/prismlauncher/EntryPoint.java
+--- a/flatpak/org.prismlauncher.PrismLauncher.yml
++++ b/flatpak/org.prismlauncher.PrismLauncher.yml
+@@ -35,8 +35,8 @@
+       - -DCMAKE_BUILD_TYPE=RelWithDebInfo
+     build-options:
+       env:
+-        JAVA_HOME: /usr/lib/sdk/openjdk17/jvm/openjdk-17
+-        JAVA_COMPILER: /usr/lib/sdk/openjdk17/jvm/openjdk-17/bin/javac
++        JAVA_HOME: "$(java-config -O)"
++        JAVA_COMPILER: "$(java-config -c)"
+     run-tests: true
+     sources:
+       - type: dir
+--- a/libraries/javacheck/CMakeLists.txt
++++ b/libraries/javacheck/CMakeLists.txt
+@@ -1,10 +1,10 @@
+ cmake_minimum_required(VERSION 3.9.4)
+ project(launcher Java)
+-find_package(Java 1.7 REQUIRED COMPONENTS Development)
++find_package(Java 1.8 REQUIRED COMPONENTS Development)
+
+ include(UseJava)
+ set(CMAKE_JAVA_JAR_ENTRY_POINT JavaCheck)
+-set(CMAKE_JAVA_COMPILE_FLAGS -target 7 -source 7 -Xlint:deprecation -Xlint:unchecked)
++set(CMAKE_JAVA_COMPILE_FLAGS -target 8 -source 8 -Xlint:deprecation -Xlint:unchecked)
+
+ set(SRC
+     JavaCheck.java
diff --git a/games-action/prismlauncher/prismlauncher-9.1.ebuild b/games-action/prismlauncher/prismlauncher-9.1.ebuild
new file mode 100644
index 0000000..cf23ec6
--- /dev/null
+++ b/games-action/prismlauncher/prismlauncher-9.1.ebuild
@@ -0,0 +1,155 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake java-pkg-2 optfeature toolchain-funcs xdg
+
+DESCRIPTION="A custom, open source Minecraft launcher"
+HOMEPAGE="https://prismlauncher.org/ https://github.com/PrismLauncher/PrismLauncher"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+
+	EGIT_REPO_URI="
+		https://github.com/PrismLauncher/PrismLauncher
+	"
+
+	EGIT_SUBMODULES=(
+		'*' '-libraries/cmark' '-libraries/extra-cmake-modules' '-libraries/filesystem' '-libraries/quazip'
+		'-libraries/tomlplusplus' '-libraries/zlib'
+	)
+else
+	MY_PN="PrismLauncher"
+
+	# Let's use the vendored tarball to avoid dealing with the submodules directly
+	SRC_URI="
+		https://github.com/PrismLauncher/PrismLauncher/releases/download/${PV}/${MY_PN}-${PV}.tar.gz -> ${P}.tar.gz
+	"
+
+	# The Prism's files are unpacked to ${WORKDIR}/PrismLauncher-${PV}
+	S="${WORKDIR}/${MY_PN}-${PV}"
+
+	KEYWORDS="~amd64 ~arm64"
+fi
+
+# GPL-3 for PolyMC (PrismLauncher is forked from it) and Prism itself
+# Apache-2.0 for MultiMC (PolyMC is forked from it)
+# LGPL-3+ for libnbtplusplus
+# See the rest of PrismLauncher's libraries at https://github.com/PrismLauncher/PrismLauncher/tree/develop/libraries
+LICENSE="Apache-2.0 BSD BSD-2 GPL-2+ GPL-3 ISC LGPL-2.1+ LGPL-3+"
+
+SLOT="0"
+
+IUSE="qt6 test"
+
+RESTRICT="!test? ( test )"
+
+MIN_QT_5_VERSION="5.12.0"
+MIN_QT_6_VERSION="6.0.0"
+
+QT_DEPS="
+	!qt6? (
+		>=dev-qt/qtconcurrent-${MIN_QT_5_VERSION}:5
+		>=dev-qt/qtcore-${MIN_QT_5_VERSION}:5
+		>=dev-qt/qtgui-${MIN_QT_5_VERSION}:5
+		>=dev-qt/qtnetwork-${MIN_QT_5_VERSION}:5
+		>=dev-qt/qttest-${MIN_QT_5_VERSION}:5
+		>=dev-qt/qtwidgets-${MIN_QT_5_VERSION}:5
+		>=dev-qt/qtxml-${MIN_QT_5_VERSION}:5
+	)
+
+	qt6? (
+		>=dev-qt/qtbase-${MIN_QT_6_VERSION}:6[concurrent,gui,network,widgets,xml(+)]
+		>=dev-qt/qt5compat-${MIN_QT_6_VERSION}:6
+		>=dev-qt/qtnetworkauth-${MIN_QT_6_VERSION}:6
+	)
+"
+
+# Required at both build-time and run-time
+COMMON_DEPENDS="
+	${QT_DEPS}
+
+	!qt6? ( >=dev-libs/quazip-1.3:=[qt5(+)] )
+	 qt6? ( >=dev-libs/quazip-1.3:=[qt6(-)] )
+
+	app-text/cmark:=
+	dev-cpp/tomlplusplus
+	sys-libs/zlib
+"
+
+BDEPEND="
+	app-text/scdoc
+	kde-frameworks/extra-cmake-modules:0
+	virtual/pkgconfig
+"
+
+# The gulrak-filesystem dependency is only needed at build time, because we don't actually use it on Linux,
+# only on legacy macOS. Still, we need it present at build time to appease CMake, and having it like this
+# makes it easier to maintain than patching the CMakeLists file directly.
+DEPEND="
+	${COMMON_DEPENDS}
+	dev-cpp/gulrak-filesystem
+	media-libs/libglvnd
+	>=virtual/jdk-1.8.0:*
+"
+
+# QtSvg imageplugin needed at runtime for svg icons. Its used via QIcon.
+# At run-time we don't depend on JDK, only JRE
+# And we need more than just the GL headers
+RDEPEND="
+	${COMMON_DEPENDS}
+
+	!qt6? ( >=dev-qt/qtsvg-${MIN_QT_5_VERSION}:5 )
+	 qt6? ( >=dev-qt/qtsvg-${MIN_QT_6_VERSION}:6 )
+
+	>=virtual/jre-1.8.0:*
+	virtual/opengl
+"
+
+src_prepare() {
+	cmake_src_prepare
+
+	local java="$(java-config -f)"
+	local java_version=${java//[^0-9]/}
+	if [[ ${java_version} -ge 20 ]]; then
+		elog "Java 20 and up has dropped binary compatibility with java 7."
+		elog "${PN} is being compiled with java ${java_version}."
+		elog "The sources will be patched to build binary compatible with"
+		elog "java 8 instead of java 7. This may cause issues with very old"
+		elog "Minecraft versions and/or older forge versions."
+		elog
+		elog "If you experience any problems, install an older java compiler"
+		elog "and select it with \"eselect java\", then recompile ${PN}."
+		eapply "${FILESDIR}/${PN}-9.1-openjdk21.patch"
+	fi
+}
+
+src_configure() {
+	local mycmakeargs=(
+		-DCMAKE_INSTALL_PREFIX="/usr"
+		# Resulting binary is named prismlauncher
+		-DLauncher_APP_BINARY_NAME="${PN}"
+		-DLauncher_BUILD_PLATFORM="Gentoo"
+		-DLauncher_QT_VERSION_MAJOR=$(usex qt6 6 5)
+
+		-DENABLE_LTO=$(tc-is-lto)
+		-DBUILD_TESTING=$(usex test)
+	)
+
+	cmake_src_configure
+}
+
+src_compile() {
+	cmake_src_compile
+}
+
+pkg_postinst() {
+	xdg_pkg_postinst
+
+	# Original issue: https://github.com/PolyMC/PolyMC/issues/227
+	optfeature "old Minecraft (<= 1.12.2) support" x11-apps/xrandr
+
+	optfeature "built-in MangoHud support" games-util/mangohud
+	optfeature "built-in Feral Gamemode support" games-util/gamemode
+}
diff --git a/games-action/prismlauncher/tmp.patch b/games-action/prismlauncher/tmp.patch
new file mode 100644
index 0000000..f40e56b
--- /dev/null
+++ b/games-action/prismlauncher/tmp.patch
@@ -0,0 +1,13 @@
+--- flatpak/org.prismlauncher.PrismLauncher.yml.orig	2024-10-24 09:18:59.771398663 -0700
++++ flatpak/org.prismlauncher.PrismLauncher.yml	2024-10-24 09:20:30.665136342 -0700
+@@ -35,8 +35,8 @@
+       - -DCMAKE_BUILD_TYPE=RelWithDebInfo
+     build-options:
+       env:
+-        JAVA_HOME: /usr/lib/sdk/openjdk17/jvm/openjdk-17
+-        JAVA_COMPILER: /usr/lib/sdk/openjdk17/jvm/openjdk-17/bin/javac
++        JAVA_HOME: "$(java-config -O)"
++        JAVA_COMPILER: "$(java-config -c)"
+     run-tests: true
+     sources:
+       - type: dir