Drill all 85 until you don't have to think about them.
the classic, drilled properly
Free Transform (⌘T / Ctrl+T) is browser-reserved, so it sits out — practice that one in Photoshop itself. New Layer (⌘⇧N / Ctrl+Shift+N) sits out entirely for the same reason.
Level 1 free · no account · runs in the browser
Every deck is graded 1 to 5: level 1 is the reflex core, the top level is where the specialists live. One move from each, so you can see how far it goes.
Switch to the Move tool
neutral gear — return here between every operation
…and 9 more at this level
Drop the current selection
the marching ants don't leave until you tell them
…and 18 more at this level
Zoom in
zoom without reaching for the tool or the wheel
…and 30 more at this level
Open Color Balance
warm or cool the image by tonal range
…and 19 more at this level
Scale the image while protecting subjects
stretch background without warping people
…and 4 more at this level
How graduation works. Drill until every move in the deck holds at ≥95% first-try, under 800ms median, across two separate days. Then the deck is done — and you get a certificate stating exactly that, plus a LinkedIn credential in one click.