# ISEKAI ZERO

> ISEKAI ZERO (isekaizero.ai) is an AI roleplay and interactive story game. Players chat with AI characters that remember their choices, play branching multi-character storylines in visual novel mode with art, video, and AI music, and choose the AI model per conversation with transparent per-message pricing (free via earned Mana; premium models pay-per-use, 100 Arcane credits = $1, no subscription). Creators earn a 25% profit share when other players play their published storylines and characters. Free on iOS, Android, and web.

Key facts:
- Format: authored multi-character storylines with persistent memory + freeform character chat
- Presentation: visual novel mode, images, video scenes, AI-generated music, d20 dice moments
- Models: multiple frontier AI models, switchable mid-story, per-message pricing
- Content policy: rated content with age-gated tiers (not a single global filter)
- Creator economy: 25% profit share on published content
- Apps: https://apps.apple.com/us/app/isekai-zero/id6748359707 (iOS), https://play.google.com/store/apps/details?id=com.isekai.world (Android), https://www.isekaizero.ai (web)

## Guides and comparisons
- [Is OOC: The Playable Anime Worth It? An Honest Review (2026)](https://www.isekaizero.ai/blog/ooc-review): OOC: The Playable Anime, reviewed by a competitor who checked every number: what it does brilliantly, what a free day really looks like, the credit math nobody advertises, and who should — and shouldn't — pay for it.
- [OOC Mod APK & Unlimited Credits: What Actually Works (2026)](https://www.isekaizero.ai/blog/ooc-mod-apk): Looking for an OOC: The Playable Anime mod APK with unlimited credits? Here's why those downloads can't work (and what they really cost you), what OOC gives you free, and the alternative where free actually is unlimited.
- [OOC: The Playable Anime Alternative (2026): Play the Anime Without the Credit Wall](https://www.isekaizero.ai/blog/ooc-alternatives): Looking for apps like OOC: The Playable Anime — but free? An honest comparison from the ISEKAI ZERO team: the credit math side by side, what OOC does well, and where the playable-anime idea goes further for a fraction of a cent per message.
- [Witch Hat Atelier Characters — Every Main Character Explained](https://www.isekaizero.ai/blog/witch-hat-atelier-characters): A complete guide to Witch Hat Atelier's characters — Coco, Qifrey, Agott, Tetia, Richeh, Olruggio, the Brimhats and more — who they are and why this cast is special.
- [Quirk Generator — Random My Hero Academia Quirk Ideas](https://www.isekaizero.ai/blog/quirk-generator): Free random quirk generator — instant MHA-style quirk ideas with type, drawback and hero-name hook. Generate a quirk, then play a hero-academia story with it.
- [How to Make an AI Character — The Complete Guide (2026)](https://www.isekaizero.ai/blog/how-to-make-an-ai-character): How to create an AI character that actually feels alive — personality, voice, secrets, memory and a first scene that hooks. Step-by-step guide, plus how to publish yours and earn from it.
- [All Forsaken Characters — Every Survivor & Killer Explained (2026)](https://www.isekaizero.ai/blog/forsaken-characters): The complete Forsaken (Roblox) character roster — all killers and survivors, what each one does, and the Roblox lore behind them. Plus how to roleplay your favorites.
- [Cursed Technique Generator — Random JJK-Style Technique Ideas](https://www.isekaizero.ai/blog/cursed-technique-generator): Free cursed technique generator — instant Jujutsu Kaisen–style innate techniques with binding vows, weaknesses and a domain expansion name. Then play a sorcerer story with yours.
- [Anime GF — Chat With an Anime Girlfriend Who Actually Remembers You](https://www.isekaizero.ai/blog/anime-gf): What makes a good anime gf experience — memory, personality, and a story you're both inside — and why a blank chat box gets boring in a week. Meet anime girlfriends with real arcs.
- [AI Story Continuer — Paste Your Story, Watch It Keep Going](https://www.isekaizero.ai/blog/ai-story-continuer): The best AI story continuer isn't a text box that predicts your next paragraph — it's a world that remembers your story and plays it forward. How to continue any story with AI, properly.
- [What Is Isekai? The Genre Explained (and Why It Owns Anime Right Now)](https://www.isekaizero.ai/blog/what-is-isekai): What does isekai mean? The another-world genre explained — its history, why it dominates anime, the difference between isekai and portal fantasy, and where the genre goes when you can play it.
- [What Are Tokens in AI? Explained With Actual Numbers](https://www.isekaizero.ai/blog/what-are-ai-tokens): What are AI tokens, how do they work, and why do they decide what AI chat costs and remembers? Tokens explained in plain language with real examples.
- [Apps Like Talkie (2026): 5 Alternatives for Deeper AI Conversations](https://www.isekaizero.ai/blog/talkie-alternatives): The best apps like Talkie in 2026 — alternatives with better memory, deeper roleplay, more freedom, or richer story presentation, honestly compared.
- [The State of AI Roleplay 2026: What 28,000 Search Terms Reveal](https://www.isekaizero.ai/blog/state-of-ai-roleplay-2026): Original research: we analyzed 28,253 search terms across 12 AI roleplay platforms. The demand data behind the AI roleplay boom — category sizes, platform trajectories, and what users actually want in 2026.
- [SpicyChat Alternatives (2026): Honest Options Across the Whole Spectrum](https://www.isekaizero.ai/blog/spicychat-alternatives): The best SpicyChat alternatives in 2026 — from permissive freeform platforms to story-driven roleplay with mature themes done with actual build-up. An honest, non-judgmental comparison.
- [Romantic AI in 2026: What Actually Makes AI Romance Feel Real](https://www.isekaizero.ai/blog/romantic-ai): An honest guide to romantic AI — why most AI romance falls flat, what memory and story structure change, the best romantic AI apps compared, and how slow-burn works when the other lead is an AI.
- [Apps Like PolyBuzz (2026): 5 Alternatives Ranked by What You Actually Want](https://www.isekaizero.ai/blog/polybuzz-alternatives): Looking for apps like PolyBuzz? The best PolyBuzz alternatives in 2026 for deeper roleplay, better memory, more freedom, or richer stories — honestly compared.
- [Janitor AI Alternatives (2026): For Setup Fatigue, Quality, or Both](https://www.isekaizero.ai/blog/janitor-ai-alternatives): The best Janitor AI alternatives in 2026 — for people tired of API keys and proxies, wanting better long-form quality, or looking for roleplay with actual story structure. Honestly compared.
- [14 Isekai Tropes, Explained: Why They Work (and When They Don't)](https://www.isekaizero.ai/blog/isekai-tropes): Truck-kun, the overpowered protagonist, the status screen, the demon lord — every major isekai trope explained, why each one exists, and which ones the best stories subvert.
- [Headcanon Generator — Free, Instant, for Any Character](https://www.isekaizero.ai/blog/headcanon-generator): Generate headcanons for any character instantly — wholesome, angsty, chaotic, or romantic. Free headcanon generator, no signup. Then bring your favorite headcanon to life as a living AI character.
- [Greentext Generator — Free Instant Greentext Stories](https://www.isekaizero.ai/blog/greentext-generator): Generate a greentext story from any topic instantly. Free greentext generator in the classic be-me format — then turn your story into a playable AI adventure.
- [Goth AI Characters: Chat and Roleplay With the Dark Academia Crowd](https://www.isekaizero.ai/blog/goth-ai-characters): Looking for a goth AI to chat with? Meet ISEKAI ZERO's darkest characters — gloomy assassins, cursed nobles, and midnight scholars — in stories with real atmosphere, art, and music.
- [Character AI vs Janitor AI (2026): The Real Trade-Off, Honestly Judged](https://www.isekaizero.ai/blog/character-ai-vs-janitor-ai): Character AI vs Janitor AI compared honestly in 2026 — filters vs freedom, polish vs setup, and where each one actually wins. Plus the third option both sides keep switching to.
- [The 12 Best Isekai Anime (2026): Ranked With Actual Opinions](https://www.isekaizero.ai/blog/best-isekai-anime): The best isekai anime as of 2026, honestly ranked — from Re:Zero to Frieren-adjacent gems — with what each does best and what to watch based on your taste.
- [The 8 Best AI Chatbots for Roleplay (2026, Honestly Ranked)](https://www.isekaizero.ai/blog/best-ai-roleplay-chatbots): We tested every major AI roleplay chatbot — Character.AI, Janitor AI, Talkie, PolyBuzz, SillyTavern, AI Dungeon, Chai, and our own ISEKAI ZERO. Here's which one fits how you actually play.
- [AI Story Generator vs. AI Story Game: Which One Do You Actually Want?](https://www.isekaizero.ai/blog/ai-story-generator): Looking for an AI story generator? Compare the best options in 2026 — prose generators like NovelAI vs playable story engines — and figure out which fits what you want to make.
- [The AI Roleplay Glossary: Every Term, Explained in Plain Language](https://www.isekaizero.ai/blog/ai-roleplay-glossary): OC, lorebook, tokens, jailbreak, slow-burn, OOC — every AI roleplay term explained clearly. The reference glossary for character chat and interactive story players.
- [AI Fanfic: How to Write (and Play) Fanfiction With AI in 2026](https://www.isekaizero.ai/blog/ai-fanfic): Everything about AI fanfic in 2026 — the best tools for writing fanfiction with AI, how to keep characters in character, prompt techniques that actually work, and how to turn fics into playable interactive stories.
- [AI Dungeon Master: Play DnD-Style Adventures Where the DM Never Cancels](https://www.isekaizero.ai/blog/ai-dungeon-master): Want an AI dungeon master? How AI DMs work in 2026, the best options for solo DnD-style play, and where dice, party dynamics, and campaigns work best.
- [AI Dungeon Alternatives (2026): 6 Options Depending on Why You're Leaving](https://www.isekaizero.ai/blog/ai-dungeon-alternatives): The best AI Dungeon alternatives in 2026, matched to the actual reason you're switching — structure, characters, pricing, or content policy. Honest picks including our own platform.
- [ISEKAI ZERO vs Character.AI: Which AI Roleplay Platform Fits You? (2026)](https://www.isekaizero.ai/blog/isekai-zero-vs-character-ai): An honest 2026 comparison of ISEKAI ZERO and Character.AI — story depth vs casual chat, model choice, visual novel mode, creator earnings, pricing, and content policies — so you can pick the right AI roleplay platform.
- [ISEKAI ZERO vs AI Dungeon: Story Platform or Text Sandbox? (2026)](https://www.isekaizero.ai/blog/isekai-zero-vs-ai-dungeon): An honest 2026 comparison of ISEKAI ZERO and AI Dungeon — structured multi-character stories vs freeform text adventures, models, pricing, and which fits your play style.
- [Best Character AI Alternatives (2026): Honest Comparison of AI Roleplay Platforms](https://www.isekaizero.ai/blog/best-character-ai-alternatives): Looking for Character AI alternatives? An honest 2026 rundown of ISEKAI ZERO, AI Dungeon, Janitor AI, SillyTavern and NovelAI — what each does best, a feature matrix, and which alternative fits how you actually roleplay.

## App
- [Explore characters and stories](https://www.isekaizero.ai/explore)
- [Creator studio](https://www.isekaizero.ai/creation)
- [About](https://www.isekaizero.ai/aboutUs/index)
- [ISEKAI ZERO | لعب أدوار بالذكاء الاصطناعي · دردشة مع شخصيات AI](https://www.isekaizero.ai/ar): landing page in ar
- [ISEKAI ZERO | KI-Rollenspiel & Chat mit KI-Charakteren](https://www.isekaizero.ai/de): landing page in de
- [ISEKAI ZERO | Juego de rol con IA · Chat con personajes IA](https://www.isekaizero.ai/es): landing page in es
- [ISEKAI ZERO | Jeu de rôle IA · Chat avec des personnages IA](https://www.isekaizero.ai/fr): landing page in fr
- [ISEKAI ZERO | Roleplay AI · Chat dengan Karakter AI](https://www.isekaizero.ai/id): landing page in id
- [ISEKAI ZERO | Gioco di ruolo IA · Chat con personaggi IA](https://www.isekaizero.ai/it): landing page in it
- [ISEKAI ZERO｜異世界AIチャット・AIロールプレイゲーム](https://www.isekaizero.ai/ja): landing page in ja
- [ISEKAI ZERO｜캐릭터 AI 채팅 · 이세계 AI 스토리 게임](https://www.isekaizero.ai/ko): landing page in ko
- [ISEKAI ZERO | Roleplay AI · Sembang dengan Watak AI](https://www.isekaizero.ai/ms): landing page in ms
- [ISEKAI ZERO | Roleplay com IA · Chat com personagens de IA](https://www.isekaizero.ai/pt): landing page in pt
- [ISEKAI ZERO | ИИ-ролевая игра · Чат с ИИ-персонажами](https://www.isekaizero.ai/ru): landing page in ru
- [ISEKAI ZERO | เกมโรลเพลย์ AI · แชทกับตัวละคร AI](https://www.isekaizero.ai/th): landing page in th
- [ISEKAI ZERO | AI Roleplay · Chat with AI Characters sa Filipino](https://www.isekaizero.ai/tl): landing page in tl
- [ISEKAI ZERO | Yapay Zeka Rol Yapma · AI Karakter Sohbeti](https://www.isekaizero.ai/tr): landing page in tr
- [ISEKAI ZERO｜异世界AI聊天・AI角色扮演游戏](https://www.isekaizero.ai/zh-cn): landing page in zh-Hans
- [ISEKAI ZERO｜異世界AI聊天・AI角色扮演遊戲](https://www.isekaizero.ai/zh-tw): landing page in zh-Hant
- [KI-Freundin erstellen — kostenlos, auf Deutsch, mit echtem Gedächtnis](https://www.isekaizero.ai/de/ki-freundin): Erstelle deine KI-Freundin kostenlos — eine virtuelle Freundin, die sich an dich erinnert, eine eigene Geschichte hat und auf Deutsch chattet. Ohne Abo, mit Visual-Novel-Szenen.
- [Geschichte schreiben mit KI — interaktiv, mit Charakteren, die zurückschreiben](https://www.isekaizero.ai/de/ki-geschichte-schreiben): Mit KI eine Geschichte schreiben, die dich zurücküberrascht: eigene Charaktere erstellen, Kapitel mit Verzweigungen erleben, Visual-Novel-Szenen mit Bildern und Musik. Kostenlos starten.
- [Novia virtual con IA — gratis, en español y con memoria de verdad](https://www.isekaizero.ai/es/novia-virtual): Crea tu novia virtual gratis — una novia IA que te recuerda, vive su propia historia y chatea en español. Rol con IA estilo novela visual, sin suscripción.
- [Petite amie virtuelle IA — gratuite, en français, avec une vraie mémoire](https://www.isekaizero.ai/fr/petite-amie-virtuelle): Crée ta petite amie virtuelle gratuitement — une copine IA qui se souvient de toi, vit sa propre histoire et discute en français. Roleplay IA façon visual novel, sans abonnement.
- [Ragazza virtuale AI — gratis, in italiano, con una memoria vera](https://www.isekaizero.ai/it/ragazza-virtuale): Crea la tua ragazza virtuale gratis — una fidanzata AI che si ricorda di te, vive la sua storia e chatta in italiano. Roleplay AI in stile visual novel, senza abbonamento.
- [AI小説 — 書くだけじゃない、「中に入れる」AI小説の新しい形](https://www.isekaizero.ai/ja/ai-shousetsu): AI小説の作り方と楽しみ方。文章生成だけのツールと違い、記憶を持つAIキャラクターと一緒に物語を生きる新しいAI小説体験。日本語完全対応、無料で始められます。
- [異世界アニメおすすめ — 王道・スローライフ・コメディを系統別に厳選](https://www.isekaizero.ai/ja/isekai-anime): 異世界アニメのおすすめを系統別に厳選。リゼロ・転スラ・無職転生の王道から、月が導く異世界道中、異世界おじさん、とんでもスキルまで。観たあとは自分が異世界に行く番。
- [異世界漫画おすすめ — 転生・転移の名作から最新の当たり枠まで](https://www.isekaizero.ai/ja/isekai-manga): 異世界漫画のおすすめを厳選。転スラ・無職転生の王道から、のんびり農家・居酒屋のぶ等のスローライフ系、社畜次第などの変化球まで。読んだあとは、自分が異世界を生きる番。
- [AI 채팅 — 나를 기억하는 캐릭터와 이야기 속에서 대화하기](https://www.isekaizero.ai/ko/ai-chat): AI 채팅의 재미는 상대가 나를 기억할 때 시작됩니다. 기억을 가진 AI 캐릭터, 선택으로 바뀌는 이세계 스토리, 비주얼노벨 연출까지 — 한국어 완벽 지원, 무료로 시작.
- [AI女友 — 會記得你的虛擬女友,免費、繁中完整支援](https://www.isekaizero.ai/zh-tw/ai-nyupengyou): 免費打造你的 AI 女友 — 她會記得你說過的話,有自己的故事與秘密,用繁體中文聊天。視覺小說演出、沒有月費的 AI 虛擬女友體驗。
- [異世界動畫推薦 — 王道、悠閒、搞笑系一次整理](https://www.isekaizero.ai/zh-tw/isekai-anime): 異世界動畫推薦清單:Re:從零開始、轉生史萊姆、月光下的異世界之旅、異世界歸來的舅舅、異世界悠閒農家等系統整理。看完之後,輪到你自己穿越異世界。