{"slug": "gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game", "title": "Gemma 2 9B → Gemma 4 E4B: Local LLM in a Commercial Indie Game", "summary": "Solo indie developer from Japan upgraded the local LLM powering the commercial game Hex Judge from Gemma 2 9B to Gemma 4 E4B, cutting AI conversation startup time on an RTX 2060 from about 45 seconds to less than 1 second. The game, a medieval witch trial investigation title supporting 12 languages, now features smoother NPC conversations and improved multilingual dialogue quality, all running locally on the player's PC without an internet connection or external AI API.", "body_md": "I’m a solo indie developer from Japan, and I recently upgraded the local LLM powering my game **Hex Judge** from **Gemma 2 9B to Gemma 4 E4B**.\n\n**Hex Judge** is a medieval witch trial investigation game where players interrogate villagers through AI-generated dialogue and uncover contradictions, relationships, and secrets.\n\nOne of the biggest improvements has been **conversation startup time**.\n\nOn an **RTX 2060**, starting an AI conversation went from around **45 seconds with Gemma 2 9B to less than 1 second with Gemma 4 E4B**.\n\n**Gemma 2 9B → Gemma 4 E4B comparison:**\n\n[Gemma2-9BとGemma4-E4BをHex Judgeで比較してみた【ローカルLLM】](https://www.youtube.com/watch?v=IbQ97PQwicQ)\n\nWe also experienced:\n\n• Smoother NPC conversations\n\n• Improved multilingual dialogue quality\n\n• Faster AI interaction\n\nThe LLM runs **locally on the player’s PC**, without requiring an internet connection or an external AI API.\n\n**Hex Judge currently supports 12 languages.**\n\nThis is my real-world experience using **Gemma 4 E4B as the local AI powering NPC conversations in a commercial game**.\n\nI’m excited to see what Gemma 4 E4B can enable for local AI in games.\n\nHex Judge is available on Steam.\n\n#Gemma4 #Gemma #LocalAI #GameDev #IndieGame", "url": "https://wpnews.pro/news/gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game", "canonical_source": "https://discuss.huggingface.co/t/gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game/179166#post_1", "published_at": "2026-08-23 23:38:09+00:00", "updated_at": "2026-08-24 09:14:13.636783+00:00", "lang": "en", "topics": ["large-language-models", "ai-products", "generative-ai"], "entities": ["Hex Judge", "Gemma 2 9B", "Gemma 4 E4B", "RTX 2060", "Steam"], "alternates": {"html": "https://wpnews.pro/news/gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game", "markdown": "https://wpnews.pro/news/gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game.md", "text": "https://wpnews.pro/news/gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game.txt", "jsonld": "https://wpnews.pro/news/gemma-2-9b-gemma-4-e4b-local-llm-in-a-commercial-indie-game.jsonld"}}