# Lunafic V4 is Here, Playable Worlds and Pictures in Your Story Source: https://lunafic.ai/blog/lunafic-v4-is-here | Published: 2026-10-07T17:36:53.657Z | Updated: 2026-10-07T19:20:41.628Z | Author: Lunafic Team > Lunafic V4 is live. Play other people's worlds like co-op, choose your hero and how the story opens, and see the world's pictures when the big moments come. Two weeks ago we wrote that V4 was only a plan, and we said "it can be 1-2 weeks? We don't know". Well, it took two weeks, and V4 is live now. 😄 So, what actually changed? Quick reminder why V4 exists. Lunafic found there are two types of players, the one who enjoys building their own world, and the one who enjoys more casual play. Lunafic only served the first one, and many new players opened a world, typed "Hi" to test it, and didn't know what to do next. V4 is our answer to that, roleplay that is easier to start and easier to understand. ## We redrew every screen, starting from the phone The old Lunafic was confusing for new users, navigation and chapters were mixed on the left side, and it was hard to find where to edit a character. In V4 we drew every screen for the phone first, then brought it up to desktop. Fewer things on the screen, easier to understand. If something still feels confusing, tell us, we are still fixing things every day since launch. ## Two kinds of worlds, like co-op in a game If you don't know co-op, that's okay, I'll explain. In a game like Genshin Impact you can enter another player's world, you run around and fight together, but you cannot renovate their house or redraw their map, because the world belongs to its owner. Lunafic V4 works the same way. - **Playable World.** Someone built it, you play it. You talk with the characters like a chat, and if a reply goes wrong you retry it or remove it. The characters, the rules, and the lore stay in the author's hands. - **Private world.** Your own world, only you can open it. You play it the same way, and you can also edit any line like a book, yours or the characters'. In the September post we called these "Public mode" and "Private mode" (unofficial names). The final names are Playable World and private world. ## Click play -> now you know what to do This is the "Hi" problem. When you press Play on a Playable World, you get: - Choose your hero, a role the author made or your own character - Starting choices, so you pick how the story opens - Endings to reach, in worlds where the author made roles - Rules of the world Worlds without roles are free play, you can just jump in. ## Pictures finally feel like roleplay In the old Lunafic you could already add images with the "/" command, but we found this useless because it didn't feel like roleplay at all. In V4, the person who builds a world adds pictures for its big moments. While you play, the AI shows the right picture when that moment happens, and many worlds open on their own picture. Note, this is not realtime image generation, the pictures are prepared by the author of the world. Every picture you meet stays in your story, the rest stay sealed until their scene happens. Worlds with pictures show a small picture stack on their card, so you can find them quickly. ## Read your story the way you like Tap "Aa" in the story and pick a look. Lunafic, Visual novel, Chat, or Light novel, the same story in four looks, with paper colors to match. ## Your character stays yours, and nobody barges in MC Mode is still the default, the AI never writes your character's dialogue, thoughts, or actions. And "In scene" decides who is inside the current scene, so a character outside the room never interrupts your private moment until you call them in. ## New chapter from the chat itself Before, you always went to the left side to create a new chapter, especially annoying on mobile. Now type **/newchapter** in the chat, that's it. ## Narrative settings now feel like a game menu The old Narrative settings was a long form full of things from the time Lunafic was a writing tool. Now it has one tab called **Writing**, and it works like the options screen in a game, you press the arrows left and right to change a value. - **Story feel.** Three cards, Slow and rich, Balanced, Fast and tense, drawn with your world's picture when it has one. Pick one and it sets how detailed and how fast the story reads. - **Reply length.** Auto, Short, Medium, Long, Very long, Epic. Auto is the length Lunafic writes today. Longer replies use more credits, and if the only character in the scene is waiting for you, the AI still stops at your turn even on Epic, because it never writes your character for you. - **Your moves can fail.** Always work, Fair, Hard. On Fair or Hard, what your character tries can fail, and the world decides what happens next. - **Characters take the lead.** Follow me, Balanced, Surprise me. How often the characters start something on their own without waiting for you. - **Inner thoughts.** Now it really changes how often you hear what characters think inside. Your moves can fail and Characters take the lead only show in MC Mode. Some things moved. Voice, the part about who you play, now lives in the "Playing as" card on the right panel. Appearance is the "Aa" look from above. Writing Style is gone, but if you wrote one, your text is inside Custom Instruction now, nothing is lost. ## The AI plays your world better now We also cleaned the way the AI plays your world, it still had old habits from the writing tool days. - Characters want things and act on it - Hard characters stay hard - The story remembers what happened before - Fewer repeated phrases We tested this on our own worlds only, so if a character still feels off in yours, tell us. :) ## Our own worlds to start with We promised worlds written by our team, so new players always have a good place to start. A few are already up, like [Ethereal Twins are Lazy](https://lunafic.ai/scenarios/ethreal-twins-are-lazy), [Two Paws, One Fuse](https://lunafic.ai/scenarios/two-paws-one-fuse), and [Shade of Death can't be this cute](https://lunafic.ai/scenarios/shade-of-death-can-t-be-this-cute), all with their own pictures. More will come. ## Read this part twice, not everything is done Some things in the September plan are not built yet. - Accomplishments, goals to complete along the way - More free AI usage, like a mission system - The new way to present pricing Current paid users keep everything they have. We still don't know when these land, maybe soon, maybe it takes longer, we prefer to learn from how you play V4 first. Lunafic is still a new product, with fewer worlds and characters than you probably want, and V4 still needs more testing from real players. So go ahead, open a world, press play, and tell us what breaks. :) Regards, Arbi from Lunafic --- Read this on Lunafic: https://lunafic.ai/blog/lunafic-v4-is-here More from Lunafic: https://lunafic.ai/blog What is Lunafic: https://lunafic.ai/ai-roleplay AI characters you build stories with over long memories. You play as your character, the AI plays everyone else, and stories stay private by default.