One mystery microbe. Five levels.

A patient sample just landed on your bench. Stain it, focus it, test it and streak it. How well you play each level decides what evidence you get.

Start case

1. LEVEL 1STAINFlame timing, the right reagent order, and one make-or-break pour.
2. LEVEL 2SCOPEPull the cells into focus and read colour and shape.
3. LEVEL 3REACTDrop the reagent, watch the reaction, make the call.
4. LEVEL 4STREAKPick the plate, draw the streak, read it after 24 hours.
5. LEVEL 5VERDICTEight suspects. Name the one left standing.