@Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Options other = (Options) obj;
        if (!Objects.equals(this.u, other.u)) {
            return false;
        }
        if (this.sound != other.sound) {
            return false;
        }
        if (this.score != other.score) {
            return false;
        }
        if (this.matchSeconds != other.matchSeconds) {
            return false;
        }
        if (this.tilePairs != other.tilePairs) {
            return false;
        }
        return true;
    }