It's confusing because the recent Doom games were developed by Id and published by Bethesda Softworks, and both of them are subsidiaries of Zenimax. Bethesda So

It's confusing because the recent Doom games were developed by Id and published by Bethesda Softworks, and both of them are subsidiaries of Zenimax. Bethesda Softworks is just a publisher; the games Bethesda is best known for (The Elder Scrolls and Fallout 3+) are by Bethesda Game Studios.