added entries from backlog

code/backlog.txt

@@ -8,6 +8,8 @@ http://cyxdown.free.fr/bs/
 http://cyxdown.free.fr/f2b/
 http://dead-code.org/home/
 http://e-adventure.e-ucm.es/login/index.php (games of eAdventure)
+https://github.com/gongminmin/KlayGE
+https://github.com/rds1983/Myra
 http://ethernet.wasted.ch/
 http://evolonline.org/about
 http://game-editor.com/Main_Page
@@ -168,13 +170,13 @@ https://edu.kde.org/
 https://empiredirectory.net/
 https://empiredirectory.net/index.php/downloads/viewdownload/6-server-software/13-empire-server
 https://emulation.gametechwiki.com/index.php/Main_Page
+https://sr.ht/projects?search=%23game
 https://en.wikipedia.org/w/index.php?title=GNU_Backgammon&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Golden_Age_of_Civilizations&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Kdegames&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Simon_Tatham%27s_Portable_Puzzle_Collection&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Simple_Solitaire_Collection&action=edit&redlink=1
 https://en.wikipedia.org/w/index.php?title=Trigger_Rally&action=edit&redlink=1
-https://en.wikipedia.org/wiki/Black_Shades (open source)
 https://en.wikipedia.org/wiki/Catacomb_(video_game) (released under GNU)
 https://en.wikipedia.org/wiki/Category:Open-source_video_games (all of them)
 https://en.wikipedia.org/wiki/GNOME_Games_Collection
@@ -199,32 +201,21 @@ https://gamejolt.com/ (search there)
 https://games.kde.org/ (all of them)
 https://games.kde.org/old/kde_arcade.php
 https://gdevelop-app.com/
+https://github.com/Garux/netradiant-custom
+https://github.com/polymonster/pmtech
+https://github.com/Legion-Engine/Legion-Engine
+https://github.com/PixelGuys/Cubyz
+https://github.com/KranX/Vangers
 https://github.blog/2014-01-06-github-game-off-ii-winners/
 https://github.blog/2021-05-19-ludum-dare-48-staff-picks/
-https://github.com/00-Evan/shattered-pixel-dungeon-gdx
-https://github.com/acedogblast/Project-Uranium-Godot
-https://github.com/adriengivry/Overload
-https://github.com/adriengivry/overload
 https://github.com/aloisdeniel/awesome-monogame
-https://github.com/Alzter/TuxBuilder
-https://github.com/amerkoleci/Vortice.Windows
 https://github.com/Apostolique/Apos.Gui
-https://github.com/armory3d/iron
-https://github.com/arturkot/the-house-game
 https://github.com/asweigart/PythonStdioGames
-https://github.com/AtomicGameEngine/AtomicGameEngine
-https://github.com/atphalix/nexuiz
-https://github.com/awkwardpolygons/cartographer
 https://github.com/azhirnov/FrameGraph
-https://github.com/benl23x5/gloss
 https://github.com/bepu/bepuphysics2
-https://github.com/bernardosulzbach/dungeon
-https://github.com/bioglaze/aether3d
 https://github.com/bomblik/BlockOut_II_PSVITA
 https://github.com/bsmr-games (also contains copies)
 https://github.com/Calinou/awesome-gamedev
-https://github.com/CatacombGames/
-https://github.com/cflewis/Infinite-Mario-Bros
 https://github.com/codenamecpp/carnage3d
 https://github.com/coelckers/Raze
 https://github.com/collections/game-engines (only OS)
@@ -234,30 +225,18 @@ https://github.com/collections/productivity-tools (maybe for statistical purpose
 https://github.com/collections/software-development-tools (maybe we can apply some of them across the board)
 https://github.com/collections/tools-for-open-source (maybe we can apply some)
 https://github.com/collections/web-games (only OS)
-https://github.com/collinhover/kaiopua
-https://github.com/cookgreen/Yuris-Revenge
-https://github.com/corewar/corewar.io
-https://github.com/Cortrah/SpaceOperaDesign
-https://github.com/Cortrah/SpaceOperaRuby/blob/master/design/turnstyles.md
-https://github.com/cping/LGame
 https://github.com/cymonsgames/CymonsGames (collection)
 https://github.com/DaanVanYperen/artemis-odb-contrib
-https://github.com/danirod/jumpdontdie
-https://github.com/David20321/7DFPS (http://www.wolfire.com/receiver, not open source, for rejected list)
 https://github.com/db0/godot-card-gaming
 https://github.com/DeflatedPickle/FAOSDance
-https://github.com/delaford/game
-https://github.com/DethRaid/SanityEngine
 https://github.com/Donerkebap13/DonerComponents
 https://github.com/Drasky-Vanderhoff/CommonDrops
 https://github.com/Dzierzan/OpenSA
 https://github.com/EasyRPG/Editor-Qt
-https://github.com/EaW-Team/equestria_dev
 https://github.com/eduard-permyakov/permafrost-engine
 https://github.com/EliFUT/android
 https://github.com/elishacloud/Silent-Hill-2-Enhancements
 https://github.com/endlesstravel/Love2dCS
-https://github.com/enduro2d/enduro2d
 https://github.com/enginmanap/limonEngine
 https://github.com/ErikLetson/torso-ninja
 https://github.com/ErikLetson/torso-ninja-2