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Uploading HTML5 Games to Appintos and Monetizing (+ Uploading to Mobile)

Hello. My name is Hwanhee Kim, and I have launched 25 HTML5 games on Appintos. Creating HTML5 games and even monetizing them is not a difficult task with Appintos. As a bonus, try uploading them to mobile (Android) as well. I will explain everything in detail, from start to finish.

34 learners are taking this course

Level Basic

Course period Unlimited

HTML/CSS
HTML/CSS
JavaScript
JavaScript
Game Planning
Game Planning
game-development
game-development
game-programming
game-programming
HTML/CSS
HTML/CSS
JavaScript
JavaScript
Game Planning
Game Planning
game-development
game-development
game-programming
game-programming

What you will gain after the course

  • How to upload a game to Appintos

  • Simple creation of a web game that can actually be deployed

  • How to upload a web game to Android

Toss Mini App Introduction Video

Showcase your game to
Toss's 30 million users.

Release HTML5 games on App-in-Toss and monetize them (+Simultaneous Android distribution)

"I've made a game, but where do I upload it?"
"How do I generate revenue?"

This course is not about how to make games, but rather a course on completing the entire process from "releasing a game to establishing a monetization structure."

I have personally launched 25 HTML5 games on App in Toss.
I am revealing the exact process I went through, from
planning → development → SDK integration → passing inspection → to monetization.

Why now, App in Toss?

30 million Toss users

Verified user-based platform

Traffic can be secured even without separate marketing

Developers can directly launch and operate it themselves

Toss is a leading platform in South Korea with over 30 million users.
App-in-Toss is an environment created so that
any verified user can directly register and service mini-apps and games within the Toss app.


A platform where you can be instantly exposed to 30 million users.
A structure where developers can directly launch, operate, and generate revenue from their games.
Opportunities like this are rare.

Example Game <Gacha Hero> (Successfully launched on Toss)

In this lecture, we will build based on
HTML5.

HTML5 games are based on standard web technologies, so they run identically in almost any environment where a browser operates.
It is a structure where creating one allows for utilization across multiple platforms.


Furthermore, JavaScript is one of the languages that generative AI understands best.
It is highly suitable for development using the recently popular Vibe Coding method,
allowing you to quickly implement and experiment with ideas.

🔥 4 Reasons Why HTML5 is Advantageous

  • Browser-based → Can run on multiple platforms

  • Easy mobile conversion

  • JavaScript-based → Great compatibility with Generative AI

  • Vibe Coding Optimization
    : Idea → Rapid Implementation → Immediate Deployment → Feedback Verification available

What you will learn in this course

This course covers the entire process step-by-step, from understanding the structure of HTML5 games to Android packaging and Google Play release, implementing the Appintos-exclusive SDK, applying in-app advertisements, expanding features like leaderboards, and even actual console registration and review submission.


This course doesn't just end with "How do I make a game?"

I have personally launched 25 HTML5 games on AppIntos.
👉 How to pass the inspection and where people usually get stuck
👉 Which parts actually impact revenue
I have packed all the trial and error and practical know-how into this course.

The experience of your first launch

It will be a much bigger level-up than you expect.

Starting with App-in-Toss, more and more companies are paying attention to HTML5 games.
I hope this lecture serves as the starting point that leads to your first launch, first service, and first revenue.

The instructor's game <Fruit Matching> (Successfully launched on Toss)

I started this lecture following the January '26 Toss webinar.

The <From Planning to Launch: Creating and Monetizing Games with AI> webinar I conducted with AppinToss in January 2026 served as the catalyst for me to start this course. I am leaving a link here for those who are interested.

Recommended for
these people

Who is this course right for?

  • A game planner who wants to upload a game to AppIntos but doesn't know how to get started.

  • Game developers who want to create web games but don't know how to start

  • Game developers who want to upload their web games to mobile but don't know how to start

Need to know before starting?

  • Basic knowledge of Javascript is required.

Hello
This is Hwanhee Kim

Hello.

I am Hwanhee Kim, and I have launched 25 HTML5 games on Appintos.

Creating HTML5 games and monetizing them is not a difficult task with Appintos. As a bonus, try uploading them to mobile (Android) as well. I will explain everything in detail, from start to finish.

https://inf.run/VM7wo


Key Experience


2025.9~ Adjunct Professor, Department of Game Software, Hongik University

2025.4~ CEO of Sublevel Games

2024.1~2025.3 LINE Games New Development Director

2017.9~2024.1 NCSOFT Head of TGD Division, NLP Service Planning Team Leader

2011.12~2017.9 Member of New Development Division, Nexon Korea

Major Books and Papers


, Wikibooks, 2020

, 2019, IEEE CoG

, 2020, IEICE

, 2025, IEEE Transactions on Games

Game Homepage


https://sublevelgames.github.io/

More

Curriculum

All

36 lectures ∙ (2hr 33min)

Course Materials:

Lecture resources
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