Hi.

First time DM here. I'll be running my first game on in a couple of days and I have a quick question.

I've been through the rulebook and can't find any obvious mention of how far characters can see in given lighting conditions. Is there a rule for that that I'm just missing?

Is there a hard and fast number, or does it require a perception check? Or is it simply something like 2d10 * PB meters?

Thanks.

It's never mentioned anywhere. You're dealing with run-of-the-mill humans, so use common sense.

It's never mentioned anywhere. You're dealing with run-of-the-mill humans, so use common sense.

Yes, this. Whatever seems to make sense in the conditions you've established.

No specific rule; as suggested, use common sense.

For simplicity in rules terms, I'd just say that you would make perception/awareness/scrutiny checks exactly as normal, but just apply difficulty to the checks based on how dark it is.

So, if you'd normally have expected a challenging (+0) Awareness check to 'spot' whatever it is, it's now -10, or -20, depending on light level. Things you might not have required a check for before, become +20 or +30 checks.

Don't feel worried about making stuff like this up on the spot; given a choice between a GM ruling 'for now' that you can check later at leisure, and spending 5-10 minutes trying to find where the hell the rules for situation X are in a book, 9/10 players I've ever come across would prefer to just get on with the game.

Hope you had a good time. Remember Quick Gamesmastering Rules #1-4:

1. The GM is right .
2. In any case of irreconcilable disagreement between GM and rulebook, the rulebook is wrong .
3. Is it fun, interesting, scary, challenging or otherwise engaging for the players? If not, stop wasting time .
4. In all other circumstances, see Rule #1 .