Providing a website featuring non-downloadable software for marketing services, including a marketing platform for creating, customizing, and optimizing marketing campaigns via electronic mail communications, text notifications, in-game notifications, and similar mobile and browser alerts for video games.; Software as a service (SAAS) services featuring software for creating, managing, tracking, and measuring online marketing and advertising campaigns, designed to assist gaming publishers in generating lists of permission-based electronic mail addresses and other customer information, and in creating, scheduling, and distributing customized electronic mail communications, announcements, and promotions to video game players.; Providing temporary use of on-line non-downloadable software and applications for developing, designing, creating, and publishing video games and computer games with integrated payment processing.; Providing temporary use of on-line non-downloadable software for managing, trading, storing, sending, receiving, validating, verifying, issuing, accepting, tracking, transferring, and transmitting payments via credit cards, digital wallets, virtual currency, and cryptocurrency.; Software development consulting in the field of video games and computer games; Software design and development; Design and development of computer software for use to manage payment systems for processing payments for video games and computer games; Providing online non-downloadable computer software platforms for developing, designing, creating, and publishing video games and computer games with integrated payment processing.; Software as a service (SAAS) services featuring software for developing, designing, creating, and publishing video games and computer games with integrated payment processing.; Software as a service (SAAS) services featuring software for game developers to create, offer, and operate video games and payment processing for use in the field of video games and computer games.; Providing temporary use of on-line non-downloadable software development tools for developing, launching, and scaling video games and computer games; Providing temporary use of on-line non-downloadable software for creating, managing, tracking, and measuring online marketing and advertising campaigns, designed to assist gaming publishers in generating lists of permission-based electronic mail addresses and other customer information, and in creating, scheduling, and distributing customized electronic mail communications, announcements, and promotions to video game players.