| Letter | Megacity | % Correct |
|---|---|---|
| B | Bangkok | Beijing | Bengaluru | Bogotá | Buenos Aires | 97%
|
| J | Jakarta | Johannesburg | 96%
|
| M | Manila | Mexico City | Moscow | Mumbai | 96%
|
| S | São Paulo | Seoul | Shanghai | 96%
|
| T | Taipei | Tehran | Tianjin | Tokyo | 96%
|
| L | Lahore | Lagos | Lima | London | Los Angeles | 94%
|
| C | Cairo | Changsha | Chengdu | Chennai | Chongqing | 86%
|
| K | Karachi | Kinshasa | Kolkata | 86%
|
| P | Paris | 85%
|
| D | Delhi | Dhaka | 83%
|
| N | Nagoya | New York City | 83%
|
| X | Xiamen | Xi'an | 78%
|
| O | Osaka | 75%
|
| G | Guangzhou | 74%
|
| W | Wuhan | 74%
|
| H | Hangzhou | Ho Chi Minh City | Hyderabad | 72%
|
| R | Rio de Janeiro | 71%
|
| I | Istanbul | 65%
|
| Z | Zhengzhou | 32%
|