3x3 Field is the entrance to the Dungeon of infinite.

-Align the same panel horizontally, vertically or diagonally , aim for the deep in the dungeon!
Put the panel from panel stock to field and make line vertical/horizontal/diagonal align the same 3 patternes,rule is like a tic-tac-toe game.

-Strengthen the shield&weapon, defeat the enemy !
Align weapon or shield panel,the panel will level up.
High level weapon or shield panel can be arranged in a cascade to enemy panel which level lower than that panel.

-Align enemy panel,enemy panel will level up
Align enemy panel,player received damage and enemy panel will level up.
The player receives damage is depend on enemy panel level.

-Raise the level, aim for a deeper dungeon!
Align enemy panel,player get EXP and reach a certain EXP, level increases.
When level up,Max HP & Max DEF will increases.

-Shield & Potion can maintains player HP
When Hp goes to 0,the game is over.
Align shield panel to increases DEF,that mitigate damage from enemy attack.
Align potion panel ,recover HP.

-Align the coin and aim for a score up!
Align coin panel,score is up.
By the score, that will determine the ranking of the play.