Assuming you're talking about the board game:
It's a fun game, but it takes time. Like, lots and lots of hours, since the game will try to kill you in seven different ways and from 4 different dimensions at once.
I had heard that it would be a really hard game, that you loose more often than win, but when I picked it up it turned out to be only slightly true.
Yes, it will Monster Surge three times in a row. It will open up a gate on the location you're standing in. It _will_ push out fucking Dholes to guard the gates. And it will irrevocably kill you a whole new kind of dead, should Azatoth ever wake up.
But it's still beatable.
Anyone with enough opt-fu in stuff like D&D, Warhammer, generic ccg or otherwise will find the powerful options and will use it.
I've played 5 games, lost only once. Azatoth really don't give you much of a fight once he stops napping.
General tip for groups:
The woman who gain a dollar each turn should take a bank loan ASAP. On average it will take 20 turns for you to start loosing money from it and the cash can be very well spent at the start.
Always include the character that can give someone a re-roll. Always.
The scientist that disallows gates to be opened at her location might seem corner-case, but it does pop up enough times to be a viable character choice.
You might think that maxing Stealth and minimizing Speed is a good thing in the Otherworlds.
After all, you move 1 step regardless of movement speed.
But when you start thinking like that (I did), you're going to encounter something that will kill you unless you run.
Ancient Ones aren't super-hard to beat.
You just need the proper equipment and set-up.
And burning 13 clue tokens in a turn with a shotgun, re-rolling failed dice does help...
Oh and the single most important advice:
Beware of the rats.
Seriously.