What are some alternatives?
When comparing GameRankings and IGDB, you can also consider the following products
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.
Rawg - Video game discovery powered by you!
MobyGames - MobyGames is the oldest, largest and most accurate video game database for games of every platform spanning 1979-2018.
whatoplay - Keeping you updated with the latest game releases and those coming soon to PC, PlayStation 4, Xbox One, Nintendo Switch, Android and iOS; plus the playscore of the best and newest video games.
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.
OpenCritic - OpenCritic is basically a community-based website that aggregates the news, reviews and views on a game on a single platform.