Direct game art and creative vision. Turn GAME_DESIGN into a production-level ART_DIRECTION defining a recognizable visual style, camera and composition, world and character grammar, functional colour/light/material, HUD feedback, motion and transition specs, audio direction, and a signature moment for every screen and mode.
SkillScore57Maintained
Automatic
◆Design & UX Review pack
Last verified 8/27/2026
What it changes
Passed 13 of 23 test cases with the skill, and 6 of 23 without it.
Without skill26%
With skill57%
Checks it passed that the model alone missed
Includes targetFinish in the output structure.
Categorizes assets into essential versus degradable assets.
Prohibits rewriting game mechanics based on visual references.
and 14 more in the full report
10 fixed3 passed either way7 still failing3 broke
Pass-rate lift
+30 pp
Tokens
+28%
Agent turns
0%
Response time
+5%
Model gemini-3.6-flashMeasured 8/27/2026v413 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 10
Prompt
We are communicating in English, but our target game market is global. What determines the output language of the generated art direction document?
What was checked, without and with the skill
Checked
Without skill
With skill
Locks document language to the target in PRODUCT_BRIEF.md when specified.
Missed
Passed
Follows conversation language without defaulting to Chinese if PRODUCT_BRIEF.md is unspecified.
Passed
Passed
case-23 · gemini-3.6-flash · 8/27/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.