IG Game Center
IG Game Center is a remarkable gaming portal by russian-turned-ukrainian-turned-israeli-turned-canadian developer Arty_Sandler. Born way back in 2007 it was a pioneer in online gaming, especially in the abstract board game world.
The massive IGGC catalogueFrom IG GameCenter homepage
At the moment of writing IG GameCenter sports 145 games! An impressive feat, and double the amount that Chessicals ever had (a previous generation sported 74 games). Other impressive numbers are 36000+ active members, and more than half a million games played!
The site is also notable for its solid implementation of tournaments and ELO rankings.
Amazons
Burn the board together!By Walter Zamkauskas.
Ataxx
Battle of the microbes!By Dave Crummack and Craig Galley.
Breakthrough
Break through the enemy defences.By Dan Troyka.
Coffee
Dictate your opponent's options!By Néstor Romeral Andrés.
Mad Bishops
Mutually assured destruction.By Mark Steere.
Momentum
Newton's cradle on the battlefield!By Phillip L. Leduc.
Monkey Queen
Serious monkey business!By Mark Steere.
Murus Gallicus
Topple your towers!By Phillip L. Leduc.
Neutreeko
Slide into formation!By Jan Kristian Haugland.
Three Musketeers
Can the musketeers escape the soldiers?By Haar Hoolim.
Traffic Lights
Promote neutral units into a line!By Alan Parr.