# 逆転オセロニア

> A battle game based on Othello! The exhilarating feeling of a dramatic comeback is addictive! The S+ guaranteed tutorial completion commemorative gacha can be redrawn for free as many times as you like!

Canonical page: [https://chrome-stats.com/d/com.dena.a12020519](https://chrome-stats.com/d/com.dena.a12020519)

## Overview

- **ID:** `com.dena.a12020519`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** DeNA Co., Ltd.
- **Category:** GAME\_BOARD
- **Downloads:** 4,361,352
- **Rating:** 4.31 / 5 (65,633 ratings)
- **Last updated:** 2026-08-28
- **First published:** 2026-07-30
- **Publisher country:** JP
- **Data as of:** 2026-09-05
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.dena.a12020519)
- **Website:** [https://www.othellonia.com/](https://www.othellonia.com/)
- **Privacy policy:** [https://mgse-sss.sp.mbga.jp/public/7129036d78fbe97a11854b849554d7e7a9362ec1/common/android\_privacypolicy](https://mgse-sss.sp.mbga.jp/public/7129036d78fbe97a11854b849554d7e7a9362ec1/common/android_privacypolicy)

## Description

逆転オセロニアは、オセロのルールをベースにした戦略カードバトルです。盤面の置き方とスキルの組み合わせで相手のHPを0にする逆転劇を目指します。全国対戦と日替わりイベントのコロシウムで競い、デッキを磨く楽しさを味わえます。

豪華声優のボイスやスタンプ機能で臨場感がアップ。キャラクターごとの個性的なスキルを使い分け、戦略を練って勝利をつかみましょう。

## Rankings

- #26,691 — Overall

## Review summary

Users generally love the strategic and fun nature of '逆転オセロニア', appreciating its PvP and solo modes. However, repeated data loss and account issues severely impact player trust. High costs for in-game currency, UI sluggishness on some devices, and persistent network or download errors frustrate users. Additionally, low rates for rare item drops diminish satisfaction. While the game mechanics and concept are praised, these recurring problems detract from the overall experience.

### Pros

- The game is very fun and exciting, enjoyable for both solo play and PvP.
- The game encourages strategic thinking and planning, teaching players how to think critically.
- The game interface and gameplay mechanics are liked by many users who enjoy Othello and similar board games.

### Cons

- Data loss issues reported multiple times, with users losing years of progress and linked accounts not recoverable.
- The in-game economy is considered expensive, with users complaining about high costs for in-game currency (rubies).
- The user interface can become sluggish when the number of pieces increases, causing uncomfortable scrolling experience on some devices.
- Frequent errors such as download errors at title screen and network errors affecting gameplay were reported.
- Low drop rates for guaranteed rare items frustrate players, leading to dissatisfaction despite liking the game.

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.dena.a12020519)