Fierce puzzles

Fierce puzzles, the hardest on SudokuByte. Still one solution, and still no guessing required.

1. CalmA relaxed solve, or your very first.
2. SteadyOne step past the basics.
3. FocusedCareful pencil marks pay off.
4. TrickyWhere patterns start to matter.
5. ExpertFor seasoned solvers.
6. FierceThe hardest on SudokuByte.

Or play today’s daily puzzle: the same grid for everyone, calm on Monday and fierce by Saturday.