Turn your phone sideways for the best experience.
If screen rotation is locked, rotate the game manually.
Then tap the fullscreen button.
✅ Same type ★ Medically safe ⚠️ Safe but scarce/flexible ❌ Incompatible
• Score depends on the best allocation inside the current level.
• Unknown patient? Use O− until testing is complete.
• Sickle cell / thalassaemia need extended matching for full points.
Enter your name for the leaderboard: