●It's more fun when you're losing!! ○Dramatic reversal battle "Reversal Othellonia"!!with friends! With rivals all over the country! Enjoy a heated real-time online battle! Super easy Othello battle just by flipping!○Easy play with Othello rules.Place your character's pieces, pinch them, flip them over, and deal damage!If you reduce your opponent's HP to 0, you win! Aim for a "great reversal" with thrilling offense and defense!!●Hone your skills in the national match season matches and the Coliseum held every day! ○Compete with rivals from all over the country for points and aim for the Diamond Master season match!A cup match aiming for the top in a limited period and number of matches! Colosseum to fight for rewards!Can you survive the stages of various battles!! ●Various skills to accelerate the reversal battle! ○Attack Power Up, Defense, Recovery, Curse, Poison, Trap, Penetration. The combinations of unique characters' skills and combos are endless! Organize your own deck and seize victory with a well-crafted strategy! ●Let's have fun with stamps! ○You can send stamps with your opponent during the match!Sometimes you can encourage yourself, praise your opponent's good fight, and enjoy using stamps to make the comeback battle more exciting! ●Attractive character voice○Gorgeous voice actors will participate in the reversal battle!·Hanazawa Kana·Sawashiro Miyuki・Ryuichi Kijima・Koiwai Kotori・Juri Kimura・Ayaka OhashiMany others (in no particular order)The reversal stage "Gyakuten Othellonia" is waiting for you――[Service provider]DeNA Co., Ltd.[Recommended OS version]Android 5.1 or higher (RAM 2GB or higher) recommended*Some devices are not recommended or compatible*Devices released before 2014 are not recommended and are not supported.[Disclaimer](1) Operation on models other than the recommended models and OS versions is not supported.(2) Depending on the customer's usage conditions, operation may be unstable even with recommended models.[For other inquiries]If you have any questions, please contact the DeNA Game Support Office [ [email protected] ]Please feel free to contact us.Thank you very much.