Скачал и установил в Synaptic с репозитория dhewm3 и i586-dhewm3.32bit. Перенёс папку base из оригинала игры Doom3 в Steame в каталог /usr/share/games/dhewm3/.
При запуске выдаёт вот такое:
dhewm3 1.5.2pre.1305 linux-x86_64 Jul 12 2021 09:37:32 using SDL v2.0.18
terminal support enabled ( use +set in_tty 0 to disable )
pid: 50548
32032 MB System Memory
found interface lo - loopback
found interface enp7s0 - 192.168.0.104/255.255.255.0
doom using MMX & SSE & SSE2 for SIMD processing
enabling Flush-To-Zero mode
enabling Denormals-Are-Zero mode
WARNING: base path '/usr/share/dhewm3' does not exist
----- Initializing File System -----
Current search path:
/home/oleg/.config/dhewm3/base
/home/oleg/.local/share/dhewm3/base
Addon pk4s:
WARNING: Couldn't find default.cfg in base/, trying again with demo/
----- Initializing File System -----
Current search path:
/home/oleg/.config/dhewm3/demo
/home/oleg/.local/share/dhewm3/demo
/home/oleg/.config/dhewm3/base
/home/oleg/.local/share/dhewm3/base
Addon pk4s:
shutting down: Couldn't load default.cfg
[ALSOFT] (WW) Error generated on device (nil), code 0xa002
[ALSOFT] (WW) Error generated on device (nil), code 0xa001
idRenderSystem::Shutdown()
Shutting down OpenGL subsystem
Sys_Error: Couldn't load default.cfg
shutdown terminal support
И не запускается. default.cfg в папке /base создавал, ничего не меняется.