https://www.pcgamer.com/quake-remastereds-second-update-adds-a-horde-mode-and-new-singleplayer-levels/
MachineGames has added even more content to the 25 year-old game.
horde modequakeremasteredsecondupdate
https://www.destructoid.com/doom-eternal-horde-mode-announcement-invasion-mode-canceled/
Rather than finish Doom Eternal's planned Invasion mode, id Software will be working on a new single-player Horde Mode instead.
doom eternalhorde modegettinginsteadinvasion