startup.txt

[priority] -high
[support for tabbing in / out] -nod3d9ex
[clears RAM reserved for joystick support] -nojoy
[number of threads] -threads N
[no video when starting the game] -novid
[multithreading for material System
-1: System default
0: synchronous single thread
1: queued single thread
2: multi thread] +mat_queue_mode 2
[execute custom files] +exec keybinds +exec util
[configures a custom interface] -language bananagaming

sample usage:
-high -nod3d9ex -nojoy -threads 8 -novid +mat_queue_mode 2 -language bananagaming