OpenCritic - OpenCritic is basically a community-based website that aggregates the news, reviews and views on a game on a single platform.
Mac Games Arcade - The first and only store application dedicated to Mac games.
Metacritic - Metacritic aggregates music, game, tv, and movie reviews from the leading critics. Only Metacritic.com uses METASCORES, which let you know at a glance how each item was reviewed.
IGDB - An open video game database
MobyGames - MobyGames is the oldest, largest and most accurate video game database for games of every platform spanning 1979-2018.
Shou.TV - Stream your iOS/Android gaming sessions like Twitch.