https://www.telegraph.co.uk/gaming/news/microsoft-set-buy-fallout-new-vegas-developer-obsidian-entertainment/
https://kotaku.com/sources-microsoft-is-close-to-buying-obsidian-1829614135
https://variety.com/2018/gaming/news/microsoft-acquiring-obsidian-report-1202974279/
https://rpgcodex.net/forums/index.php?threads/obsidian-reportedly-about-to-be-acquired-by-microsoft.124252/