private void resetWormsChecked() {
        for (int i = 0; i < levelSize; i++) {
            for (int j = 0; j < levelSize; j++) {
                if (Level[i][j] != null && Level[i][j].is(Worm.class)) {
                    ((Worm) Level[i][j]).setChecked(false);
                }
            }
        }
    }