
XO Tactics
Reimagining traditional paper-and-pencil games into a cutthroat digital turn-based battler, XO Tactics expands the standard 3x3 layout into a strategic 7x7 grid. Instead of racing for a simple trio, you're dropping tokens into columns, lining up four or more identical symbols, and triggering devastating gravity-fed chain reactions to deplete your rival's health bar.

Grid dynamics and gravity drop mechanics
Mastering the board requires thinking like a Connect 4 strategist and a match-3 puzzle expert simultaneously.
Gravity-fed column placement and line clearing
Tokens drop down chosen columns until they hit the bottom or land on existing pieces. Lining up 4 or more matching symbols horizontally, vertically, or diagonally triggers an immediate line clear. The cleared tokens deal direct combat damage to your opponent based on line length, clearing vital space on the dense 7x7 grid.
Setting up multi-line cascades
When a matched line vanishes, every token suspended above it plunges downward into empty cells. Advanced play hinges on calculating how falling pieces settle. Positioning tokens to auto-form secondary and tertiary 4-in-a-row matches upon falling creates multi-stage cascades, dealing massive multi-hit damage in a single turn.
Defensive blocking and marathon progression
Surviving tough late-game encounters means balancing offensive pressure with ruthless defensive counter-play.
- Denial tactics: Constantly monitor your opponent's column stacks to block three-in-a-row setups before they convert into damaging four-piece clears.
- Health pool management: Strategic line clears restore board space while taking chunks out of the enemy's HP bar; timing heavy combos when low on health turns losing rounds around.
- Marathon ladder progression: Win consecutive battles against increasingly calculating Bot opponents to prove your tactical dominance on the path to the championship title.
Pro tips for grid masters
- Prioritize diagonal setups: Diagonal four-in-a-row combinations are much harder for opponents to spot and block than straight vertical or horizontal lines.
- Build bottom-row foundations: Secure the lowest cells early to establish stable anchor points for setting up falling cascade traps.
- Bait enemy blocks: Place a decoy three-token threat in one column to force your opponent's drop, opening up a high-damage cascade line elsewhere.
How to play
Use the mouse to interact in the game.



































