To make sure that you won't lose your account, make a Konami ID account and bind your game data/account to the Konami ID. This will make sure that even if you uninstall the app, you can recover your account, as well as being able to transfer your account to different devices.
→ How to transfer/save game data
|Field size||3 cards||5 cards|
|Starting hand||4 cards||5 cards|
If you are new to Yu-Gi-Oh, just play the game to learn the basics. The game also helps you by giving a tutorial at the start of the game, and through the Duel School/Quiz.
If you would like to get the best possible start using your starting gems, you can reroll by restarting your account and roll the packs until you get what you want/need.
For what rerolling is and how to reroll, check the link below.
In the game, players can open a pack by spending Gems, that they can obtain by making an in-app purchase, farming, or giveaways. Gems are not used for anything else, other than to buy packs. They are somewhat limited if you don't purchase them, which is why it's better to carefully plan on what you want to get, and use them wisely on certain boxes instead of buying everything.
You should find a deck you want to play and pick an appropriate booster pack that contains cards what you need. Consumes Gem efficiently to avoid in-app purchase.
By tapping free gem locations on the screen, you can find free Gem if you are lucky. For those locations, check the link below.
A full respawn of standard duelists happen when you proceed to the next stage. Defeating all of them before proceeding will prevent any wasted exp for leveling your character, and saves you from using Duel Orbs.
→Details of Duel Orb.
|1||Complete all missions for the current stage.|
|2||Duel against all the available Standard Duelists before going to the next stage.|
Note: Once you receive the reward for "Complete all Stage Missions [#]", you are moved up to the next stage.
|3||Receive the reward for "Complete all Stage Missions [#]" when you are out of Standard Duelists to proceed to the next stage.|
|4||All of the Standard Duelists will fully respawn.|
Summon LIGHT-attribute monster and activate Trap cards frequently from the early stage of the game. That is the key to unlock Ishizu and Odion smoothly.
After each duel, you will be scored based on completed duel assessments. You can obtain more duel rewards as you get higher score.
To duel against Legendary Duelists at the Gate, you need need to have colored keys, and a certain amount of them, depending on what level you want to duel them. Here are some tips for using Gate Keys wisely.
→ Details of Gate Key
It is the best to trade a card while card trading Stage/Weekly missions appear.
|Stage||Card Trading missions|
|Stage 7||Make a trade with the Card Trader 1 time(s).|
|Stage 17||Make a trade with the Card Trader 1 time(s).|
|Stage 26||Make a trade with the Card Trader 3 time(s).|
Mythical Beast Cerberus is a very useful card that is good for farming Legendary Duelists, and it's also new player friendly. While it is expensive to get at first, you only need to get 1 copy of this card.
→ High Score Cerberus: deck recipe
Mythical Beast Cerberus
You must not convert Legendary Duelists' signature cards that you obtain in their starter decks into trader item, since some of Stage 48 missions asks you to use those cards 3 times each. Most cards that you obtain from levelling characters are also exclusive, not obtainable elsewhere, so be sure to not convert them.
Otherwise, you can use the card Exchange when dueling against the LD to take it from them so you can use it.
Check this page for an advanced guide to improve your game.