diff --git a/games-fps/tyrquake_libretro/additional-files/tyrquake_libretro.info.in b/games-fps/tyrquake_libretro/additional-files/tyrquake_libretro.info.in
index f83904cc0..9be3eb4e0 100644
--- a/games-fps/tyrquake_libretro/additional-files/tyrquake_libretro.info.in
+++ b/games-fps/tyrquake_libretro/additional-files/tyrquake_libretro.info.in
@@ -1,14 +1,32 @@
+# Software Information
 display_name = "Quake (TyrQuake)"
 authors = "Kevin Shanahan (Tyrann)"
 supported_extensions = "pak"
 corename = "TyrQuake"
-manufacturer = "Id Software"
-categories = "Game"
-systemname = "Quake Game Engine"
-systemid = "quake_1"
 license = "GPLv2"
 permissions = ""
 display_version = "@DISPLAY_VERSION@"
+categories = "Game"
+
+# Hardware Information
+manufacturer = "Id Software"
+systemname = "Quake Game Engine"
+systemid = "quake_1"
+
+# Libretro Features
 supports_no_game = "false"
 database = "Quake"
+savestate = "false"
+cheats = "true"
+input_descriptors = "true"
+memory_descriptors = "false"
+libretro_saves = "true"
+core_options = "true"
+load_subsystem = "false"
+hw_render = "false"
+needs_fullpath = "true"
+disk_control = "false"
+is_experimental = "false"
 notes = "[i] Make those folders in the same directory:|[i] -id1 for the main game|[i] -hipnotic for the 1st mission pack|[i] -rogue for the 2nd mission pack|[i] -quoth for Quoth addon|[i] Put BGM into a subfolder named music in each of them."
+
+description = "A port of the tyrquake engine, which is based on iD's open source Quake engine, to libretro. While remaining relatively conservative and true-to-the-original, this core provides the additional features of running at fixed framerates (with interpolated animations applied on the keyframe for smooth animation at greater-than-original framerates), software bilinear filtering, software Half-Life/Quake 2-style colored lighting RGBA and third-person view mode. Check the libretro documentation for an explanation on the directory structure required to load BGM files, etc."
diff --git a/games-fps/tyrquake_libretro/patches/tyrquake_libretro-0.62_20210410.patchset b/games-fps/tyrquake_libretro/patches/tyrquake_libretro-0.62_20210410.patchset
new file mode 100644
index 000000000..d142c7e81
--- /dev/null
+++ b/games-fps/tyrquake_libretro/patches/tyrquake_libretro-0.62_20210410.patchset
@@ -0,0 +1,26 @@
+From 4b99fe6d81956c064d9093a276a84decdccca735 Mon Sep 17 00:00:00 2001
+From: Benjamin FRANCOIS <kwyxz@kwyxz.org>
+Date: Sat, 8 May 2021 23:04:59 -0700
+Subject: Undefine pre-existing functions
+
+
+diff --git a/common/common.h b/common/common.h
+index c987708..79ef688 100644
+--- a/common/common.h
++++ b/common/common.h
+@@ -48,6 +48,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ #define	MAX_LOCALINFO_STRING 32768
+ #endif
+ 
++// these already pre-exist in Haiku and need to be undef
++#ifdef __HAIKU__
++#undef bswap16
++#undef bswap32
++#endif
++
+ //============================================================================
+ 
+ typedef struct sizebuf_s {
+-- 
+2.30.2
+
diff --git a/games-fps/tyrquake_libretro/tyrquake_libretro-0.62_20200417.recipe b/games-fps/tyrquake_libretro/tyrquake_libretro-0.62_20210410.recipe
similarity index 86%
rename from games-fps/tyrquake_libretro/tyrquake_libretro-0.62_20200417.recipe
rename to games-fps/tyrquake_libretro/tyrquake_libretro-0.62_20210410.recipe
index be23d9a7c..73648b4e7 100644
--- a/games-fps/tyrquake_libretro/tyrquake_libretro-0.62_20200417.recipe
+++ b/games-fps/tyrquake_libretro/tyrquake_libretro-0.62_20210410.recipe
@@ -5,14 +5,15 @@ is to allow running Quake on modern systems as accurately as the original game \
 but provides smoother model animations, coloured lighting, fullbrights in \
 GLQuake, along other improvements."
 HOMEPAGE="https://disenchant.net/tyrquake/"
-COPYRIGHT="2003-2020 Kevin Shanahan, the libretro team"
+COPYRIGHT="2003-2021 Kevin Shanahan, the libretro team"
 LICENSE="GNU GPL v2"
 REVISION="1"
-srcGitRev="7f175ba5c51c65e815a239ff32fb4aae6564c0a7"
+srcGitRev="f627174746989eaab940adc623b6a92a051c0c0b"
 SOURCE_URI="https://github.com/libretro/tyrquake/archive/$srcGitRev.tar.gz"
-CHECKSUM_SHA256="5d10f411126ba0bdf2174098500989c7cfffb4632c083cac101e6b71f28d61eb"
+CHECKSUM_SHA256="12f8169e2045a0c0c56d7f716b0f6565600b775ac9677dc7bbfb0d81aee28836"
 SOURCE_FILENAME="libretro-tyrquake-${portVersion/_/-}-$srcGitRev.tar.gz"
 SOURCE_DIR="tyrquake-$srcGitRev"
+PATCHES="tyrquake_libretro-0.62_20210410.patchset"
 ADDITIONAL_FILES="tyrquake_libretro.info.in"
 
 ARCHITECTURES="!x86_gcc2 ?x86 x86_64"