| Asia Capitals Quiz | 0 | - | 4.98 | 694,993 |
| Asia Capital to Country | 0 | - | 4.96 | 126,893 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,675 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,687 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,052 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,568 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,585 |
| Capitals of the Stans | 0 | - | 4.95 | 26,933 |
| Name a City - European Countries | 0 | - | 4.90 | 65,653 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,021 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,623 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,023 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,438 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,651 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,052 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,091 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,533 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,006 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,431 |
| Former Capitals | 0 | - | 4.88 | 71,533 |
| Europe Capital to Country | 0 | - | 4.99 | 250,962 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,249 |
| European Capitals by Map | 0 | - | 4.99 | 140,065 |
| African Capitals by Map | 0 | - | 4.99 | 134,212 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,325 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,667 |
| European Coastal Capitals | 0 | - | 4.95 | 90,857 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,944 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,648 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,937 |
| Cities in European History #1 | 0 | - | 4.63 | 134,240 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,557 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,742 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,288 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,382 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,594 |
| Official Cities in the UK | 0 | - | 4.89 | 284,638 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,705 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,659 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,753 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,229 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,552 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,316 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,434 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,431 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,482 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,257 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,076 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,505 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,283 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,821 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,307 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,810 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,612 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,814 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,782 |
| Random European Capital to Country | 0 | - | 4.98 | 191,511 |
| Random European Country to Capital | 0 | - | 4.93 | 165,431 |
| Random African Capital to Country | 0 | - | 4.97 | 100,929 |
| Random African Country to Capital | 0 | - | 4.94 | 71,396 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,590 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,809 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,442 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,623 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,303 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,339 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,005 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,585 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,582 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,716 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,540 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,394 |
| Countries by Capital City | 0 | - | 5.00 | 68,687 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,405 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,844 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,270 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,439 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,215 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,947 |
| Moved Capital Cities | 0 | - | 4.96 | 74,376 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,032 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,944 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,973 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,656 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,331 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,192 |
| Which City in Europe? | 0 | - | 4.83 | 107,594 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,129 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,096 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,261 |
| North American Sports Cities | 0 | - | 4.83 | 172,685 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,417 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,595 |
| Name a Valid World City | 0 | - | 4.83 | 71,507 |
| Cities by Former Name | 0 | - | 4.83 | 91,750 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,502 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,774 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,430 |
| World Capitals by Map | 0 | - | 5.00 | 287,577 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,498 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,190 |
| Random Country to Capital | 0 | - | 4.98 | 923,197 |
| Capitals Starting With H | 0 | - | 4.91 | 92,751 |
| Capitals Starting With K | 0 | - | 4.88 | 83,804 |
| Capitals Starting With L | 0 | - | 4.81 | 88,273 |
| Capitals Starting With M | 0 | - | 4.93 | 108,110 |
| Capitals Starting With P | 0 | - | 4.88 | 78,377 |
| Capitals Starting With R | 0 | - | 4.87 | 81,997 |
| Capitals Starting With S | 0 | - | 4.90 | 85,980 |
| Capitals Starting With T | 0 | - | 4.84 | 76,331 |
| Capitals Starting With W | 0 | - | 4.87 | 91,411 |
| Capitals Starting With A | 0 | - | 4.97 | 128,326 |
| Capitals Starting With B | 0 | - | 4.89 | 118,747 |
| Capitals Starting With D | 0 | - | 4.93 | 96,654 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,948 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,018 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,301 |
| Biggest Cities in China | 0 | - | 4.53 | 159,112 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,803 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,908 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,441 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,161 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,469 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,054 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,777 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,263 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,450 |
| Which City in Canada? | 0 | - | 4.83 | 57,156 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,103 |
| China by Picture | 0 | - | 4.51 | 63,414 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,562 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,574 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,907 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,192 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,812 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 78,087 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,537 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,318 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,942 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,354 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,655 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,430 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,629 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,633 |
| North America Cities by Map | 0 | - | 4.41 | 47,856 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,263 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,567 |
| Random European City to Country | 0 | - | 4.69 | 117,906 |
| Random Asian City to Country | 0 | - | 4.56 | 44,563 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,122 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,974 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,445 |
| Capital Cities Chain | 0 | - | 4.84 | 82,985 |
| Coldest World Capitals | 0 | - | 4.95 | 133,671 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,788 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,143 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,940 |
| US States and State Capitals | 0 | - | 4.99 | 163,636 |
| Hong Kong Facts | 0 | - | 4.49 | 29,299 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,691 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,408 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,709 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,592 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,423 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,233 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,937 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,510 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,957 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,178 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,436 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,585 |
| South American Cities on the Map | 0 | - | 4.53 | 35,474 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,748 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,860 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,036 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,502 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,987 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,590 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,936 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,177 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,194 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,621 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,003 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,374 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,736 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,710 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,398 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,310 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,263 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,619 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,529 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,271 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,994 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,238 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,258 |
| The Only Country ... | 0 | - | 4.91 | 81,448 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,380 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,551 |
