• Developing a detailed game design document
• Creating technical specifications for each department
• Creating a prototype of the core game mechanics

• Art and Design:
• Creating concept art, character models, environments, and interfaces
• Creating 2D and 3D models, texturing, animation, and visual effects
• Development:
• Programming core game systems, engine, networking features, and other technical aspects
• Integrating mechanics, animations, AI, and interfaces into the game engine
• Audio:
• Creating music, sound effects, and voiceovers for characters
• Creating levels, missions, characters, and game content
• Writing the story, dialogues, and in-game texts
• Testing:
• Internal testing for bugs, gameplay issues, optimization, and stability
• Starting preparations for alpha and beta testing

• Beta testing: external testing with players to identify issues related to user experience
• Optimization: improving game performance, fixing bugs, balancing, and polishing gameplay
• Localization: translating the game into other languages and adapting cultural aspects

• Marketing campaign: creating trailers, demos, managing social media, engaging with press and bloggers
• Creating website and store: preparing digital store pages, launching pre-orders, creating the game's website
• Community building: working with the community, supporting players, being active on social media

• Launching the game on selected platforms (Steam, consoles, etc.)
• Marketing campaign, engaging with press, bloggers, and players to promote the game

• Game support: releasing updates, fixing bugs, and adding new content
• Community engagement: gathering feedback, supporting players, organizing events
• Market and competition analysis
• Defining the core mechanics
• Determining technical feasibility
• Cost estimation and high-level work planning
• Defining commercial potential
• Preparing the concept document

These stages may vary depending on the scale of the project and other factors. Some processes may run in parallel, and development stages may overlap or repeat