I want to say the new Dreamlist is really slick, congrats to all who contributed to make this, though I will be going to miss the old wishlist.

A few of my picks:

https://www.gog.com/dreamlist/game/d-generation-1991
https://www.gog.com/dreamlist/game/darker-1995
https://www.gog.com/dreamlist/game/star-crusader-1994
https://www.gog.com/dreamlist/game/the-reap-1997
https://www.gog.com/dreamlist/game/f-16-fighting-falcon-1997
https://www.gog.com/dreamlist/game/swarm-1998
https://www.gog.com/dreamlist/game/aim-3-war-protocol
https://www.gog.com/dreamlist/game/hard-truck-apocalypse-2005

Maybe gog can add Far gate for me because it's not in the search engine.

My list,

Company of Heroes 1,2
Grey Goo
Rainbow six rogue spear ( would be great for GOG since you cant find it anywhere legally. )
Rainbow six 3
Rainbow six Vegas 1,2
Total War ( At least the older games )
All Command & Conquer games. ( Even 4 if you can make offline version. )
Prototype 1,2
Joint Task Force
Act of Aggression
Jagged Alliance - Back in Action
R.U.S.E
Maelstrom
Call to Arms
Universe at War: Earth Assault
Steel Division: Normandy 44
Resident Evil: Operation Raccoon City ( I'm one of the weird people who like this game a lot. )
RUNNING WITH RIFLES
Choplifter HD
9th Company: Roots of Terror
Thunder Wolves
Conflict Desert Storm 2 plus the other games in the series.
Cold Fear