• Teach the method first: find what they share, the leftover is the answer
  • Two beats every round — beat 2 is naming the rule, which is the real skill
  • A different rule that is also true is accepted, not corrected into ours
  • 50 sets on three ladders (things · properties · words and numbers)
  • The whole bank verified by script before any UI — including no second odd one
  • Built from paintings already on disk — not one new image file
  • Three misses buys a breath, never a red cross; Grandma Ploy hosts
  • Fills the screen on phone & desktop
  • Read every piece aloud, and add Thai-specific sets (Thai sweets, Thai instruments)planned

✓ = done · ☐ = planned. Every game is built one step at a time like this.