Whether you're a new player or veteran, it's always good to stay up-to-date on the game. Knowing where to find this information is one of the most important things, so I have provided some links here.
Game News
Official Site
Yu-Gi-Oh Wikia
Duelling Systems
Duelling Network
YVD
KCVDS
[Yu-Gi-Oh Online is being discontinued]
Other
Yu-Gi-Oh Card Maker
Game News
Official Site
Yu-Gi-Oh Wikia
Duelling Systems
Duelling Network
YVD
KCVDS
[Yu-Gi-Oh Online is being discontinued]
Other
Yu-Gi-Oh Card Maker