Snake was a simple game developed by Taneli Armanto in 1997 for Nokia mobile phones.

The Game Boy was released by Nintendo in 1989 and was the first dedicated handheld gaming console.

Candy Crush Saga, developed by King, was one of the first mobile games to successfully implement the freemium model, where players can play the game for free but can purchase in-game items to enhance their experience.

The Nokia N-Gage was released in 2003 and was the first smartphone to feature a dedicated gaming controller.

Clash of Clans, developed by Supercell, was the first mobile game to generate over $1 billion in revenue.

Cross-platform play allows players to play the same game on different devices, regardless of the operating system or platform.

PlayerUnknown's Battlegrounds (PUBG), developed by PUBG Corporation, is credited with popularizing the battle royale genre, where players compete against each other in a last-man-standing match.

Augmented reality (AR) allows mobile games to overlay digital information onto the real world, creating an immersive gaming experience.

Flappy Bird, developed by Dong Nguyen, is credited with popularizing the hypercasual genre, where games are designed to be simple, addictive, and easy to play.

Cloud gaming allows mobile games to be played on a variety of devices, including TVs and PCs, by streaming the game from a remote server.

Fate/Grand Order, developed by Delightworks, is credited with popularizing the gacha game genre, where players collect virtual items through a randomized system.

Virtual reality (VR) allows mobile games to create immersive experiences where players can interact with the game world in a realistic way.

Slotomania, developed by Playtika, is credited with popularizing the social casino genre, where players can play casino-style games with virtual currency.

Mixed reality (MR) allows mobile games to combine elements of both virtual reality and augmented reality, creating a more immersive and interactive gaming experience.

Cookie Clicker, developed by Julien Thiennot, is credited with popularizing the idle game genre, where players can progress in the game without actively playing.