Establish a strong central storyline with clear themes and objectives. Design branching paths that diverge but eventually converge to key plot points, maintaining narrative focus regardless of player decisions. Develop character arcs and world-building elements that adapt to choices without losing their core essence. Use a narrative flowchart to map out different outcomes, ensuring consistency across all branches. Implement subtle narrative tools, like recurring motifs or dialogue callbacks, to tie various paths together. By carefully crafting flexible yet interconnected storylines, you can provide meaningful choices while keeping the narrative cohesive.

To keep your narrative cohesive while offering player choices, build a strong core storyline that branches but always loops back to key plot points. Establish character motivations and world rules that guide each path, ensuring even varied choices feel consistent with the game's overall tone. Regularly playtest different outcomes to catch any narrative gaps and maintain flow. Balance freedom with structure—it’s like letting players paint within the lines but choosing the colors.

Maintaining narrative cohesion in a game with branching choices starts with having a solid core storyline that anchors the player’s journey. Establish key plot points that are immutable, regardless of player decisions, to ensure that the overarching story remains consistent. Additionally, develop a detailed narrative flowchart that outlines how different choices lead to various outcomes, but ensure that all paths still reinforce the central theme. Consistency in character development and world-building, even across diverse story arcs, will help maintain immersion. Lastly, utilizing dialogue options that loop back to the main narrative helps to keep the storylines from straying too far from the intended experience.