Starting an online poker game development software involves several key steps, from planning to execution. Here's a general guide:

1. Market Research
Understand the Market: Study the online poker industry, including current trends, popular games, target audience, and competitors.
Legal Considerations: Research the legal requirements for operating an online poker game in your target regions.
2. Define Your Game Concept
Game Type: Decide on the type of poker game (e.g., Texas Hold'em, Omaha, etc.).
Unique Features: Identify features that will set your game apart, such as multi-table tournaments, customizable avatars, or social interaction features.
3. Choose the Right Technology
Programming Languages: Select appropriate languages (e.g., JavaScript, C#, or Unity) based on your team's expertise.
Platform: Decide whether your game will be web-based, mobile, or desktop.
Server Infrastructure: Choose a reliable server to handle real-time data processing and secure user transactions.
4. Develop the Game
UI/UX Design: Create an intuitive and visually appealing interface.
Game Logic Development: Write the core game algorithms, including card shuffling, dealing, and player interactions.
Integration of Features: Implement payment gateways, anti-fraud mechanisms, and social media integrations.
5. Testing
Beta Testing: Conduct thorough testing to identify bugs, ensure fairness in gameplay, and optimize performance.
Feedback: Collect feedback from testers to make necessary improvements.
6. Launch and Marketing
Soft Launch: Start with a soft launch to gather initial user feedback.
Marketing Strategy: Develop a marketing plan to promote your poker game, including SEO, social media campaigns, and partnerships with influencers.
7. Post-Launch Support
Regular Updates: Continuously update the game with new features, bug fixes, and improvements.
Customer Support: Provide robust customer support to assist players with any issues.
8. Monetization
In-Game Purchases: Offer virtual goods or premium memberships.
Advertising: Consider in-game advertising to generate additional revenue.
Starting an online poker game development software requires a well-thought-out plan, a skilled development team, and a solid understanding of the market. By following these steps, you can build a successful online poker platform.