Pokémon Emerald Version takes Trainers back to the land of Hoenn for an expanded adventure, this time against both Team Magma and Team Aqua! Pokémon Emerald also features an even more exciting storyline featuring the Legendary Rayquaza. You can save your data to your browser. Click the settings icon and press "Save State Location", then change it to "Keep in Browser". You can enter fullscreen by hovering over the game and pressing the fullscreen button in the bottom right If pressing enter causes the game to tab in and out, just click on the middle of the game to refocus.