Hey guys

I've recently started to get into D&D as well as other Tabletop RPGs. I'm loving it so far, but are there any decent D&D Co-Op PC games? From what I've seen from the majority of D&D PC games available on GOG, they seem a little weak.

Most of them don't seem to have a detailed character creator
Most of them don't seem to be co-op
Most of them seem to have a very linear story
Most of them seem to be only single player

I'd love to have the option to play a D&D game (or something similar), but with all of the fundamentals.

Dice Rolling
Character Creation
Co-Op on the same computer for when friends are over
No linear campaign or story mode

Are there any games similar to this? Thanks :)

None that I know of.

Well, you could host or join a virtual table top game using software such as Roll20 (https://roll20.net/). That's essentially enhancing the classic table top experience with digital/online/social media features -- which seems to be what you're ultimately looking for, based on your "love to have" features. But keep in mind this is not a "canned" (automated) game experience -- you would need to have a live DM to create and drive the campaign and story.

As far as PC games with a pre-build campaign and automated DM...

Neverwinter Nights is not turn-based, but it could potentially meet most of your other criteria. It does the standard D&D dice rolling behind the scenes, and you can optionally show those dice rolls as they happen. It has a very robust character creation system featuring most of the 3.5 Edition rules. It doesn't allow co-op on the same computer, but does allow co-op between multiple PCs. And it has an amazing editor that allows creating full campaign worlds. There are a plethora of user created campaigns available, some of which are very non-linear and open-ended. While the game is real-time, it can be paused at any time -- allowing you to make tactical decisions in the heat of battle with your teammates or just stop and role-play for a bit.

Temple of Elemental Evil may be worth considering too. It is turn based, uses the 3E D&D "dice rolling" rules, has a character creation system featuring many of the 3E D&D rules, and could easily allow for "hot seat" co-op on the same PC with friends. However, I'd hesitate to say that it's campaign is non-linear. There's some flexibility in where you go and what you do, but the campaign does have distinct "choke points" -- places that you have to go to or events that you have to complete to progress the story.

There's no game that fits all of them.

D&D based games? There's Neverwinter Nights among others based directly off the rules or taking inspiration from the game.
Turn based RPGs? Plenty including the Shadowrun games based off the tabletop game.

You just might want to set up a session online instead.

The closest I can come up with is Neverwinter Nights 1 or 2, if you can find yourself a good open world multiplayer module or online server to play on. But: even though there are dice rolls and turns, the combat is handled in real time, and there is no local co-op, only online co-op.

Or you can play open custom designs for Forgotten Realms Unlimited Adventures (included in Forgotten Realms Collection 2) and take turns during the turn-based combats (e.g. you play 3 characters, your friend plays 3 characters).

I don't know of any D&D game that comes with integrated local co-op mode. Also, keep in mind that there are many different editions of D&D that differ significantly from each other. The 1st or 2nd edition (A)D&D of Unlimited Adventures is different than NWN 2's 3.5 which is different from D&D 4e or 5e.

Yes, Steam exclusive though.

CLICK

To play Pen & Paper D&D on your computer with your friends try:

Roll20
Fantasy Grounds
Tabletop Simulator

These provide digital tools to allow a Game-Master/Dungeon-Master to host a Role Playing Game.

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The D&D Computer Games are mostly semi-canonical single player adventures where you control the entire party. IMHO, the earliest games are best.

NWN is excellent and is/was like an early MMORPG with a MUD / BBS feel. The cool thing was customization and finding awesome servers with committed regular players.

Are you talking about the 2002 game or the one from 1991?

2002.

I do remember trying to Install 1991 AOL game and running it on my clunker and then giving up.

Back in Dial-up days: We settled for local BBS. Couldn't run stuff like Ultima Online, and AOL Games with Graphics.