Sea Battle 2 is the mobile take on classic Battleship — place your fleet, call your shots and sink your opponent first. It is at its best against someone you know, so here is exactly how to play Sea Battle 2 online with friends or with your partner.
What you need
- Sea Battle 2 installed on both phones — it is free on Google Play, and works across Android devices.
- An internet connection on both sides (Wi-Fi or mobile data).
- About two minutes to set up your first match.
How to play Sea Battle 2 online with friends
Open the game and choose the online “With a Friend” mode from the main menu. You can invite a friend directly, or both join the same match through the game’s friend system — add each other first and your matches stay one tap away. Once you are connected, you each place your ships, take turns firing, and the classic guessing battle plays out in real time with moves synced between your phones.
Playing with your partner? Sea Battle 2 makes a brilliant head-to-head couple game — quick rounds, familiar rules and plenty of playful revenge. It sits alongside our other favourite 2-player games for couples.
Can you play Sea Battle 2 on PC?
Sea Battle 2 is a mobile game first. If you want it on a bigger screen, the usual route is an Android emulator on PC — but honestly, phone-to-phone is the smoothest way to play with a friend, and it means you can fire off a match from anywhere.
More head-to-head favourites
If you enjoy the friendly-duel format, 8 Ball Pool and Chess.com scratch the same itch. Or browse the full best mobile couple games list for more games to play together.


