arrow keys
Move the cursor around the grid
tab/shift-tab
Move the cursor around the playable spots
space
Toggle selection on the cell under cursor
enter
Place selected cards at cursor
esc
Deselect selected cards
d
Draw from stock
0
Select the rightmost waste card
1–7
Move cursor to the bottom of that column
shift + 1–7
Select all visible cards in that column
q w e r
Jump to / place in foundation stacks 1–4
f
Place selected card in foundation
b
Toggle bold edges on exposed cards
c
Toggle control help overlay
h
Hide / reveal the board (Boss key to enable the spreadsheet disguise)
Stock single-click
Draw cards to waste (if stock non-empty)
Stock double-click
Pass (recycle waste to stock) then immediately draw
Column ▼ button
Select all visible cards in that column; same column deselects
Cell A2 double-click
Toggle Draw 3 ↔ Draw 1
Single-click (no selection)
Stock: draw · Waste: select · Maneuver: select downward · Foundation: select top
Single-click (has selection)
Place at cursor · deselects if illegal · foundation cards need double-click
Double-click (no selection)
Auto-play clicked card to foundation
Double-click (foundation selected)
Place foundation card at cursor · deselects if illegal