Logic
3-In-A-Row (BrainBashers)
Colour every square blue or white, with no three alike in a line and every line balanced.
BrainBashers games
BrainBashers is Kevin Stone's long-running puzzle site, with a daily brain teaser and more than twenty daily logic grids, from Sudoku, Killer Sudoku and CalcuDoku to Bridges, Light Up, Slitherlink, Tents and its own SurroundNine. Every daily changes at midnight GMT, usually in easy, medium and hard versions.
All brainbashers games
Logic
ABC View (BrainBashers)
Place one A, one B and one C in every line, guided by which letter is seen first from each edge.
Logic
Battleships (BrainBashers)
Find the hidden fleet from the counts beside each row and column.
Numbers
BrainBashers Daily 30 Seconds
Start from one number and follow a chain of sums in your head, in 30 seconds.
Logic
BrainBashers Daily Puzzle
One brain teaser a day, with a hint and the full workings when you want them.
Logic
Bridges (BrainBashers)
Join numbered islands with single or double bridges into one connected network.
Logic
CalcuDoku (BrainBashers)
Fill a Latin square so every cage hits its target with +, -, x or ÷.
Logic
Fillomino (BrainBashers)
Split the grid into groups where every number says the size of its own group.
Logic
Futoshiki (BrainBashers)
Fill a Latin square that obeys every greater-than and less-than sign.
Logic
Hitori (BrainBashers)
Shade out repeated numbers without letting black squares touch or cutting the white ones apart.
Logic
Killer Sudoku (BrainBashers)
Four dated killer sudokus a day: sudoku rules plus cages that must add up.
Logic
Light Up (BrainBashers)
Place bulbs until every white square is lit, with no bulb shining on another.
Logic
MathemaGrids (BrainBashers)
Place the digits 1 to 9 so three across sums and three down sums all come out right.
Logic
Maze Of Rooms (BrainBashers)
Click the mouse from room to room until it finds the cheese.
Logic
Neighbours (BrainBashers)
A Latin square where small symbols mark which squares differ by exactly 1.
Logic
Net Slide (BrainBashers)
Slide whole rows and columns until the cables join every computer into one network.
Logic
Network (BrainBashers)
Rotate the cable tiles until every computer joins one network with no loops.
Logic
Nonogrids (BrainBashers)
Shade the blocks in each line from the run lengths given beside it.
Logic
Range (BrainBashers)
Shade squares so each number sees exactly that many white squares in a straight line.
Logic
Skyscrapers (BrainBashers)
Place buildings of every height so the edge clues count the ones you can see.
Logic
Slants (BrainBashers)
Turn every cross into a diagonal so the corner clues are met and no loop closes.
Logic
Slitherlink (BrainBashers)
Join the dots into one closed loop that matches every number.
Logic
Sudoku (BrainBashers)
Six dated 9x9 sudokus a day, from Very Easy up to Super Hard.
Logic
SurroundNine (BrainBashers)
Shade the squares so each clue counts the black squares in its 3x3 patch.
Logic
Tents (BrainBashers)
Pitch one tent beside each tree, matching the row and column counts.
Logic
Tracks (BrainBashers)
Lay one railway line from start to end, matching the counts on every row and column.