diff --git a/gui-wm/river/river-0.3.5-r1.ebuild b/gui-wm/river/river-0.3.5-r1.ebuild
new file mode 100644
index 00000000..0abaa19c
--- /dev/null
+++ b/gui-wm/river/river-0.3.5-r1.ebuild
@@ -0,0 +1,89 @@
+# Copyright 2021-2022 Aisha Tammy
+# Distributed under the terms of the ISC License
+
+EAPI=8
+
+inherit edo
+
+DESCRIPTION="Dynamic tiling wayland compositor"
+HOMEPAGE="https://codeberg.org/river/river"
+
+SRC_URI="
+https://codeberg.org/river/river/releases/download/v${PV}/${P}.tar.gz
+https://codeberg.org/ifreund/zig-pixman/archive/v0.2.0.tar.gz -> zig-pixman-0.2.0.tar.gz
+https://codeberg.org/ifreund/zig-wayland/archive/v0.2.0.tar.gz -> zig-wayland-0.2.0.tar.gz
+https://codeberg.org/ifreund/zig-wlroots/archive/v0.18.0.tar.gz -> zig-wlroots-0.18.0.tar.gz
+https://codeberg.org/ifreund/zig-xkbcommon/archive/v0.2.0.tar.gz -> zig-xkbcommon-0.2.0.tar.gz
+"
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64"
+
+IUSE="+man pie test +X no-llvm"
+RESTRICT="!test? ( test )"
+
+RDEPEND="
+	dev-libs/libevdev
+	dev-libs/libinput
+	dev-libs/wayland
+	>=gui-libs/wlroots-0.18.0:=[X?]
+	x11-libs/libxkbcommon:=[X?]
+	x11-libs/pixman
+"
+DEPEND="${RDEPEND}"
+EZIG_VISION="0.13*"
+BDEPEND="
+	|| ( =dev-lang/zig-${EZIG_VISION} =dev-lang/zig-bin-${EZIG_VISION} )
+	dev-libs/wayland-protocols
+	man? ( app-text/scdoc )
+	sys-apps/coreutils[-static]
+	virtual/pkgconfig
+"
+
+QA_FLAGS_IGNORED="usr/bin/river(ctl|tile)?"
+
+# : refer to sys-fs/ncdu :
+zig-set_EZIG() {
+	[[ -n ${EZIG} ]] && return
+
+	grep_version=$(echo ${EZIG_VISION} | sed -E 's/\./\\./g; s/\*/.*/g')
+	EZIG=$(compgen -c | grep 'zig.*-'$grep_version | head -n 1) || die
+}
+
+ezig() {
+	zig-set_EZIG
+	edo "${EZIG}" "${@}"
+}
+src_prepare() {
+	mkdir ${WORKDIR}/deps/
+	ezig fetch --global-cache-dir ${WORKDIR}/deps/  ${DISTDIR}/zig-pixman-0.2.0.tar.gz
+	ezig fetch --global-cache-dir ${WORKDIR}/deps/  ${DISTDIR}/zig-wayland-0.2.0.tar.gz
+	ezig fetch --global-cache-dir ${WORKDIR}/deps/  ${DISTDIR}/zig-wlroots-0.18.0.tar.gz
+	ezig fetch --global-cache-dir ${WORKDIR}/deps/  ${DISTDIR}/zig-xkbcommon-0.2.0.tar.gz
+	default
+}
+
+src_compile() {
+	local zigoptions=(
+		--verbose
+		--system ${WORKDIR}/deps/p/
+		-Doptimize=ReleaseSafe
+		-Dman-pages=$(usex man true false)
+		-Dpie=$(usex pie true false)
+		-Dxwayland=$(usex X true false)
+		-Dno-llvm=$(usex no-llvm true false)
+		${ZIG_FLAGS[@]}
+	)
+
+	DESTDIR="${T}" ezig build "${zigoptions[@]}" --prefix /usr || die
+}
+
+src_test() {
+	ezig build test || die
+}
+
+src_install() {
+	cp -a "${T}"/usr "${ED}"/usr || die
+
+	dodoc -r README.md example || die
+}