What are some alternatives?
When comparing Shockwave and GOG.com, you can also consider the following products
Newgrounds - A community of artists, game developers, musicians, voice actors and writers who create and share some of the best stuff on the web!
itch.io - An online game marketplace and community.
Kongregate - Kongregate has free games that you can play online. Choose from thousands of free flash games.
G2A - Enjoy the vast offer of Steam, Origin, Uplay, Battle.net, GOG, PSN and XBOX CD-Keys at the most attractive prices on the market. Don’t overpay – buy cheap on G2A.COM!
Armor Games - Play free online games at Armor Games! We're the best online games website, featuring shooting games, puzzle games, strategy games, war games, and much more...
Green Man Gaming - A digital distributor for video games.