Can I play without an account?

Yes. Tap Vs computer and the game runs on this page, on your device.

It is random each game. After that, a miss passes the turn and a hit lets the same side fire again.

Play Battleship online against the computer

Naval Battle is Battleship in 3D. Play the AI admiral right here without an account, then make a game of your own with the rules you like.

A Battleship game for two people sharing one phone that hides the board between turns
A tic-tac-toe game my kids can play against the computer
A four in a row game I can play with a friend who opens a link I send

Run a mustache contest with your friends this November: Grow a mustache with friends for Movember or No Shave November. Pick a style, watch the team's mustaches grow, and vote for the best one.
Make your own news front page: Get the past day's headlines on the topics you pick, set as a front page you designed. Describe it and iqobi builds it.
Make your own radio app: Make a music app with your own stations and look. Describe it and iqobi builds it.