I've seen people using acid rounds of grenade launcher to hurt themselves, why is this for? I still don't get it

Does it make invalid the run in cooperative if I play with keyboard and my partner with a game control?

Which one is better? or is there any configuration to make the game more optimal for the run?

Where can I download RE HD Remaster?

I have seen many people shooting really fast and killing the bosses in a blink of an eye, how can I do that?

Hi how can I avoid the neji bug? The sprites look really bad

Hi where can I get the splits? I checked the resources but there aren't.

What's the difference between time without loads, time with loads and In game time?