Completionator is described as 'Track your video game collection and the games you've played'. There are seven alternatives to Completionator, not only websites but also apps for Android and SaaS. The best alternative is IGDB.com, which is free. Other great sites and apps similar to Completionator are Backloggery (Free), HowLongToBeat (Free), MyVideoGameList (Free) and My Game Collection (Freemium).
- 7 alternatives