hi,

I hope you are  asking about online game development, see its a part of software programming and you must be very good at graphics design and gaming platform development. so you should do your graduation in computer science related platform. you may go for bachelor of technology in computer science engineering. you may study in engineering colleges of karnataka or any other colleges across india, some of the engineering entrance test you may apply for

jee main,

comedk uget

kcet

vit ee

bits entrance test (bitsat)

to know more about entrances follow the below link,

https://engineering.careers360.com/articles/top-engineering-entrance-exams-in-india

top engineering colleges in karnataka,

National Institute of Technology Karnataka Surathkal

RV College of Engineering, Bangalore

BMS College of Engineering, Bangalore

Dayananda Sagar College of Engineering, Bangalore

JSS Science and Technology University, Mysuru

After 12th, for various graduation level courses, you can do for the following courses:

• BSc in Graphics, Animation & Gaming
• BA in Digital Filmmaking & Animation
• BTech in Computer Science and Game Development
• BSc in Animation Game Design and Development

Various game design and development colleges in Karnataka are:

• Arena Animation, Jayanagar
• Seamedu School of Pro Expressionism Bangalore, Banasavadi
• CMR University (University of Science Studies)
• Presidency University, Bangalore
• Bangalore Animation College
• IIFA Multimedia, Bangalore
• Picasso Animation College, Bangalore