An oldie but a goldie, tic tac toe is a game in which two players battle ... You can play tic tac toe with a friend on WhatsApp – or any other messaging app for that matter – using emojis.

The innovation in question is what WWF claims to be the world’s first automated WhatsApp adventure game, Tree of Hope, which aims to make more people aware of the need to protect natural areas.

Here are five games to play on WhatsApp with pals today ... You can play tic tac toe with a friend on WhatsApp – or any other messaging app for that matter – using emojis.