SlackBuildsOrg/games/ddnet

DDraceNetwork (DDNet) is an actively maintained version of DDRace,
a Teeworlds modification with a unique cooperative gameplay. Help
each other play through custom maps with up to 64 players, compete
against the best in international tournaments, design your own maps,
or run your own server. The official servers are around the world.
All ranks made on official servers are available worldwide and you
can collect points!

Default build options:

# Whether to enable WebSocket support for server
# Requires libwebsockets from SBo
WEBSOCKETS=no

# Whether to enable MySQL/MariaDB support for server
MYSQL=no

# Whether to add video recording support using FFmpeg to the client
# Requires x264 from SBo
VIDEORECORDER=yes

# Whether to enable UPnP support for the server
# Requires miniupnpc from SBo
UPNP=no

# Whether to enable the vulkan backend
VULKAN=yes

# Enable interprocedural optimizations, also known as
# Link Time Optimization (LTO)
IPO=no

# Whether to set security-relevant compiler flags
# like -D_FORTIFY_SOURCE=2 and -fstack-protector-all
SECURITY_COMPILER_FLAGS=yes