StackPlay

The AI tools game developers actually use, sorted by job (concept, UI/HUD, code, NPCs, playtesting, localization) with verdicts from a game UX veteran.

Curated by the StackPlay editors, led by a game UX veteran.

Featured slot available — put your tool in front of game developers. Sponsor

Concept & mood art

Midjourney Paid

Fast style exploration for key art and UI mood boards

StackPlay UX verdict: draft pending editor review

Scenario Freemium

Trains on your own art style for consistent game assets

StackPlay UX verdict: draft pending editor review

Leonardo.Ai Freemium

Game-asset presets and fine-tunes

StackPlay UX verdict: draft pending editor review

3D assets

Meshy Freemium

Text/image to 3D for blockouts and props

StackPlay UX verdict: draft pending editor review

Tripo Freemium

Quick image-to-3D for prototyping

StackPlay UX verdict: draft pending editor review

Luma AI Freemium

Capture real objects into 3D

StackPlay UX verdict: draft pending editor review

UI/UX & HUD design

Figma (AI features) Freemium

Industry default for game UI flows and HUD mockups

StackPlay UX verdict: draft pending editor review

Uizard Freemium

Sketch-to-wireframe for fast menu flows

StackPlay UX verdict: draft pending editor review

Galileo AI / Stitch Freemium

Text-to-UI first drafts (verify current product name)

StackPlay UX verdict: draft pending editor review

Code & engine scripting

GitHub Copilot Paid

In-IDE help for C#, C++ and Blueprint-adjacent code

StackPlay UX verdict: draft pending editor review

Cursor Freemium

AI code editor; strong on large Unity/Unreal repos

StackPlay UX verdict: draft pending editor review

Unity AI (Muse/Sentis successors) Varies

Unity's built-in AI assistant and runtime inference

StackPlay UX verdict: draft pending editor review

Unreal Engine AI assistant / Python Free

Editor automation and scripted tooling in UE5

StackPlay UX verdict: draft pending editor review

Voice & audio

ElevenLabs Freemium

Placeholder VO, NPC barks and localization temp tracks

StackPlay UX verdict: draft pending editor review

Suno Freemium

Temp music and stingers for prototypes

StackPlay UX verdict: draft pending editor review

NPCs & dialogue

Inworld AI Paid

AI-driven NPC characters for runtime dialogue

StackPlay UX verdict: draft pending editor review

Convai Freemium

Conversational NPCs with Unreal/Unity plugins

StackPlay UX verdict: draft pending editor review

Playtesting & analytics

PlaytestCloud Paid

Remote mobile/PC playtests with video

StackPlay UX verdict: draft pending editor review

Otter / Fireflies Freemium

Transcribe and summarize playtest sessions

StackPlay UX verdict: draft pending editor review

modl.ai Paid

AI bots for automated QA and playtesting

StackPlay UX verdict: draft pending editor review

Localization

DeepL Freemium

High-quality first-pass UI string translation

StackPlay UX verdict: draft pending editor review

Gridly Paid

Spreadsheet-style loc pipeline with MT built in

StackPlay UX verdict: draft pending editor review