You may have seen my earlier post saying that i was trying to bring back some old gamemodes that became lost in time, Cores is now playable again after many years as ReCored!
Modrinth waiting for aproval https://modrinth.com/mod/recored

I also have it running on my server if you want to try it IP: goodoldmc.com

If you can contribute in anyway or want to discuss and/or add other old gamemodes to be remade, i invite you all to the matrix space