Sudoku: Place a digit from 1-9 in every cell such that digits do not repeat in rows, columns or 3x3 boxes.

Dutch Whisper: Adjacent digits on an orange line must differ by at least 4.

German Whisper: Adjacent digits on a green line must differ by at least 5.

Nabner: No two digits on a yellow line are the same or consecutive.

Palindrome: Digits on a grey line (with no bulb) read the same forwards as backwards.

Parity: Adjacent cells on a red line must contain one even and one odd digit.

Region Sum: Box borders divide a blue line into segments, whose digits have the same sum.

Renban: Digits on a purple line form a non-repeating consecutive set.

Thermometer: Digits on a grey line with a bulb must increase from the bulb end.