We already have a wishlist, but upvotes don't distinguish between games we kind of want and desperately crave, but we can post about it. So, of the game not yet on GOG, which ones do you really want to see make the transition?

Some of mine are
-More roguelikes in general (Caves of Qud, Cogmind, ADOM, etc)
-Cryptic Comet games (Solium Infernum, Occult Chronicles, Armageddon Empires and Six Gun Saga)
-Illwinter games (Dominions series and Conquest of Elysium series)
-From Software games (Souls Series, King's Field series and Armored Core series)
-The Logic Factory games (Ascendancy and The Tone Rebellion)
-More Cryo Interactive games (Dune and Commander Blood)
-Nobunaga's Ambition - Sphere of Influence
-Dishonored series
-Dragon's Dogma Dark Arisen
-Valkyria Chronicles
-Binding of Isaac (original and Rebirth)
-LEGO games (LEGO Island, LEGO Rock Raiders, etc)
-LISA
-Cargo! The Quest for Gravity
-Rayman Legends
-Mordheim: City of the Damned
-Mushihimesama
-Donald in Maui Mallard / Maui Mallard in Cold Shadow
-E.Y.E.: Divine Cybermancy
-The Dream Machine
-The Sea Will Claim Everything
-Child of Light
-More Japanese indie games

And of the games not yet released
-NieR 2
-Space Hulk: Death Wing
-Pathologic Remake
-Six Ages (sequel to King of Dragon Pass)
-Barkley 2
-Nioh (if it comes out on PC)
-Phoenix Point

Operation Flashpoint [with expansions]
R6RS, maybe the rest of the rainbow six series
Soldier of Fortune series
Doom 3 [og edition + RoE]
Doom NRFrL
Max Payne series
Duke Nukem 3D
NOLF
Ghost Recon expansions
Deus Ex HR
Heretic series
Hexen series
Descent
Star Trek Elite Force series. EF2 could very well be the most impressive single player game made with Quack 3 engine...
Half Life

Star Trek The Next Generation: A Final Unity - always my first answer to that question.

Also:

TRON 2.0
Star Trek Borg

- A Vampyre Story
- Ankh series
- Blade Runner
- Discworld series
- Full Throttle
- Indiana Jones and the last Crusade
- Maniac Mansion
- Monkey Island 3 + 4
- Next Life (Reprobates)
- Nibiru: Age of Secrets
- Rent a Hero (1998)
- Secret Files series

Just a few game series I'm dying to see here:

-Batman Arkham series
-Max Payne series
-Mass effect series
-Bioshock series
-more LEGO games
-More Assassin's Creed games
-Oblivion and Skyrim (of course;))

I really hope we get to see thes games here very soon;)

Every PC game, pure and simple.

Regardless of whether I buy a specific game, I want the ability to buy it here.
I want the offline installer, even more than DRM free.

I detest store clients, and having just played Dragon Age from GOG, had to use a crack for Dragon Age 2, despite owning it on Origin, as the client is not running correctly on my PC.
Process Hacker (advanced Task Manager), says it's waiting for user responce, but no tray or window appears.

I hate all clients, but only GOG allows me to not use one, and I don't.

When a game I own on Steam, comes to GOG, I buy the GOG version, and destroy the Steam one, with great pleasure. Origin/Uplay exclusive games have never come here, yet, but I rarely buy them, only having a few on each.

This little beauty.

Civilization - all of them, but especially the first one.
Command HQ

Too many to list, but these two series are glaring omissions that should have been available years ago:

- Jazz Jackrabbit
- Commander Keen *

Both series are in the community wishlist.

^ Just this.
These threads aren't very useful, sorry.

The usual suspects:

Blood Omen: Legacy of Kain
The Operative: Noone Lives Forever
American McGee's Alice

ditto

Some personal wants from clarry's list:

Operation: Flashpoint - I'd love to see its glorious return to the gOg catalog
NOLF games: for some dumb reason I ignored the overwhelmingly positive reviews at the time and didn't buy them. Dur

Steel Panthers games.

The rest of the LucasArts titles that are mysteriously missing - maybe problems getting them to work on old systems?

So many people have been mentioning the Microsoft catalog that I'd like to see them here if only to make them happy.

There's a lot of games I'd like to see on GOG:

Age of Empires 1
Age of Empires 2
American McGee's Alice
Darklight Conflict
Extreme Assault
Fire Fight
Forsaken
Heavy Metal: FAKK2
Mafia
MissionForce: CyberStorm
Return Fire
Sandwarriors
Shellshock
Sim Tower
Take No Prisoners
Urban Assault

C&C series obviously
Warcraft series
Starcraft 1 + addon