https://catland.studio/
https://supercell.com/en/
https://steamcharts.com/
https://www.fraghero.com/10-greatest-game-developers-time/ ; https://www.thetoptens.com/top-video-game-companies/
https://www.iltalehti.fi/digiuutiset/a/bee6d368-30c2-481b-a21c-a70671a3c45e
https://www.theseus.fi/handle/10024/158179
https://www.forssanlehti.fi/lounais-hame/bisnesenkelit-kiinnostuivat-forssalaiskolmikon-peliyhtiosta-lupaava-startup-sai-alkunsa-forssan-yoelamassa-10051
https://www.activisionblizzard.com/
https://www.wikipedia.org/
https://en.wikipedia.org/wiki/List_of_best-selling_game_consoles
https://www.nintendoenthusiast.com/2018/12/24/most-popular-games-of-2018-according-to-twitter-nintendo-news-block/
https://www.intoguide.com/8-best-ubisoft-games/
https://medium.com/buff-game/the-biggest-gaming-companies-and-what-theyre-worth-91755a1969de
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