Can I pause the timer and the game during the run for afk a minute?

Can I speedrun GTA SA with a cracked version? It has no mods or anything. It's just like the original

Is the speedrun of Half Life WON version the same for Steam version?

Is the run on 60FPS the same for 120FPS?

I have some lag spikes playing Boshy, any advice for fix it?

Can I use an emulator of PS2 for speedrun the game? (The emulator is PCSX2 1.4.0)