Wikipedia:Articles for deletion/Cubethon
Pretty much everything has been said here. Seems to have been created by a new account to promote the game. I have been unable to find a single independent source talking about it (that isn't a listing), let alone anything significant. Fails 
— User:Jovanmilic97, 10:46, 22 February 2020 (UTC)
Stance: delete
Cited policy: WP:GNG (Wikipedia:Notability)