This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
I can see that for a free game that you enjoy a lot, and want to reward with some money. You can make a donation, or get a silly skin for the same money (and have it visible that you donated some).