Tool Roundups4 min readMay 27, 2026
Best AI Tools for Game Trailers and Store Assets
Runway, Luma, Leonardo AI, and other tools for Steam capsules, trailers, and launch marketing.
Store assets are a workflow stage
Many indie devs treat marketing as an afterthought. These tools help you produce trailer clips and promo visuals without a full video team.
Recommended tools
Video and trailers Runway — Best overall for trailer-quality AI video and editing. Luma Dream Machine — Fast short clips for social teasers.
Static promo art Leonardo AI and Midjourney — Key art, capsule backgrounds, and screenshot-style promo images.
Copy and localization ChatGPT or Claude — Store page drafts. DeepL — First-pass localization for international Steam pages.
Tips
Generate more than you need, cut ruthlessly, and always add real gameplay footage before launch.