Another theme is the relationship between the characters. Fanfictions may delve deeper into the emotional bonds between Sora, Shiro, and the others. For example, some might focus on how they support each other during difficult games. It can also show their growth as individuals and as a team.
The theme of fate and free will often comes up. In a game - like life, some might think that everything is pre - determined like a game's script, while others believe they have the power to change their path. This creates an interesting dynamic in the fanfiction. There's also the theme of the unexpected. Just as in games, where a random event can change the whole course of play, in these stories, unexpected things can happen to the characters that completely shift their 'life - game' experience.
One common theme is the clash of different game mechanics. Since 'no game no life' has its own set of rules about games, when it crosses with other series, the differences in how games are played in those universes create interesting conflicts.
One more theme could be growth. Shiro, with her already high intelligence, and Izuna with her own abilities, can grow both individually and in their relationship. For instance, they could learn from each other's strengths and weaknesses. In some fanfictions, there might also be a theme of discovery, as they explore new aspects of the 'No Game No Life' world together, which is full of strange rules and entities.
Another theme is friendship. Tsuna usually teams up with his friends in these fanfics, and their relationships are tested and strengthened through the game - life experiences. They might have to rely on each other in battles or solving puzzles within the game world. For example, they could be in a dungeon - crawling scenario where each member has to contribute their unique abilities to progress. And also, the theme of discovery is quite common. Tsuna often discovers new aspects of his powers or the world around him while in the game - life situation. This could be in the form of finding hidden levels or unlocking special abilities that were previously unknown.
One common theme is exploration. Since the Unreal games often have vast and detailed worlds, fanfictions like to explore uncharted areas of those worlds.
One common theme is the pursuit of victory at all costs. In many 'immortal game fanfiction', characters are willing to sacrifice a great deal to win. Another theme is the mystery surrounding the game. It's often depicted as having secrets that are waiting to be uncovered.
A very popular theme is identity exploration. Reincarnated characters may struggle with who they were in their past life and who they are now in the new world of the game. In fanfiction based on 'Dark Souls', a character reincarnated might question their purpose in the harsh and unforgiving world, trying to figure out if their past - life skills and memories are still relevant. Also, the theme of fate is common. Whether the character can change their pre - determined fate from their past life or are doomed to repeat it in the new reincarnation is often explored.
Love and romance are very common themes. Since the original story is about a relationship, fanfictions often explore different stages of the couple's love, like their first date or a big fight and making up. Another theme is workplace drama, as that's an important part of the original story too.
One common theme is the struggle against behemoths. Since the game is centered around fighting these huge monsters, fanfictions often explore different strategies and battles. Another theme is the bond between hunters. In the game, teamwork is important, and fanfictions like to develop the relationships among the characters. Also, the discovery of new powers or weapons is a theme, as it adds an element of excitement and progression.
Power is a common theme. Many fanfictions explore how the characters gain and use power, like in 'Ainz's Ascent' where it shows his journey to greater power.