Board

Hunt down the enemy fleet before it finds yours, built with pure React (no game engine). Naval radar and sonar screens look. How to play Deploy your fleet on the 10×10 grid: Carrier (5), Battleship (4), Cruiser (3), Submarine (3) and Destroyer (2). Ships can't overlap or hang off the edge. Drag a ship from the list onto the grid, or drag a placed ship to move it. Or pick a ship and tap a square to put its front end there. Rotate (or press R) turns the selected ship between across and down. Random places the whole fleet for you, Clear starts over. Pick the enemy's skill and press Start battle. Take turns firing: tap a square on the enemy radar. Orange blips are hits, rings are misses. When a ship is sunk, both sides are told which one. Sink all five enemy ships before yours go down. Your own fleet and the enemy's shots are on the small sonar screen.

Drop discs to get four in a row before the computer does, built with pure React (no game engine). Blue plastic board with red and yellow discs. How to play You play red and always go first. Tap or click a column (or press 1–7) to drop a disc. Discs fall to the lowest empty spot in the column. Get four of your discs in a row — across, down or diagonally — to win. A full board with no line is a draw. Press New game to start again.

Classic 3×3 Tic-Tac-Toe against the computer, built with pure React (no game engine). How to play You are X and always move first; the computer is O. Click an empty square to place your mark. Get three in a row — across, down or diagonally — to win. A full board with no line is a draw. Use New game to start over.