GameFAQs - Founded in 1995, GameFAQs has over 40,000 video game FAQs, Guides and Walkthroughs, over 250,000 cheat codes, and over 100,000 reviews, all submitted by our users to help you.
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.
Game Critic - Game Critic - your free, fun + social game review aggregator by pwntechnics.
IGDB - An open video game database
Nerdburglars - Gaming tools and game play management tools to assist gamers in their progression in video games.
MobyGames - MobyGames is the oldest, largest and most accurate video game database for games of every platform spanning 1979-2018.