The games include The Witchers 3: Wild Hunt at $42 plus Pillars of eternity - Hero Edition at $22.50.
GOG will offer New offers each 12 hours and New deals every 24 hours. With new bundles available all the time. Todays deal included Fallout and Elder Scrolls games.
PLUS: if you spend $5 during their sale you'll get a free copy of System shock 2 and $15 receive The Chronicles of Riddick: Assault on Dark Athena and $30 get Banished game.
The BIG GOG sale - here