Cells of influence

Board: 8×8
Players: Two colors
Pieces: 6 leaders each

Basic rules:

A leader moves one square in any direction.
After a move, all adjacent empty squares are colored in the player's color.
You can move freely onto a square of your own color.
You can move onto an opponent's square only if one of your pieces is nearby.
If a piece is completely surrounded by squares of the opponent's color, it is removed.
A square's color can change multiple times.

Objective: Claim the majority of the board through influence.

Winning condition:
The game ends when all squares are colored or one player loses all their pieces. The player controlling the most squares wins.