The best answer for Is it possible to be a game programmer even If I take Commerce in my Higher Secondary Level
Yes, it is possible but why didn't u preferred PCM. but then also there are many courses which u can join in ur high schooling only.
Many institutes provide such type of courses or else u can go online like with distance learning. It will be better.yes
If you’re new to computer programming, you should first check out our Web Development Learning Path — an extensive 75-hour curriculum of free online courses to learn web development from scratch.
Game Development for Beginners
1. An Introduction to Interactive Programming in Python: One of Coursera’s most popular courses, this Rice University offering is perfect for beginners with little or no Computer Science background. In this 8-week course, you will build a different game each week including classics like Pong, Blackjack, and Asteroids
Level: Beginner | Duration: 9 weeks | Next Start Date: Sep 15 2014 | Read reviews
2. Beginning Game Programming with C#: Another beginner-level course offered by The University of Colorado. Uses C# which is preferred by some developers using Windows. For a comparison of Python vs. C# for game development, see this thread on GameDev.net
Level: Beginner | Duration: 8 weeks | Next Start Date: To be announced | Read reviews.
for rest of the information go through the link given below:-
hope helped u.