| Asia Capitals Quiz | 0 | - | 4.98 | 685,440 |
| Asia Capital to Country | 0 | - | 4.96 | 125,690 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,057 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,163 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,130 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,408 |
| Capitals of the Stans | 0 | - | 4.95 | 26,386 |
| Name a City - European Countries | 0 | - | 4.92 | 64,333 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,884 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,327 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,361 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,788 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,306 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,739 |
| Former Capitals | 0 | - | 4.88 | 71,121 |
| Europe Capital to Country | 0 | - | 4.99 | 247,426 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,387 |
| European Capitals by Map | 0 | - | 4.99 | 136,124 |
| African Capitals by Map | 0 | - | 4.99 | 132,104 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,125 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,570 |
| European Coastal Capitals | 0 | - | 4.95 | 89,704 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,614 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,663 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,402 |
| Cities in European History #1 | 0 | - | 4.63 | 133,055 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,961 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,052 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,913 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,946 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,795 |
| Official Cities in the UK | 0 | - | 4.89 | 280,373 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,759 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,744 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,612 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,372 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,069 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,676 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,737 |
| Modern Day Countries of the Mughal Empire on a Map | 0 | - | 4.42 | 33,205 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,148 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,812 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,244 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,677 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,184 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,357 |
| India State Capitals Quiz | 0 | - | 4.27 | 59,358 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,770 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,642 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,383 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,171 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,988 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,216 |
| Random European Capital to Country | 0 | - | 4.98 | 189,137 |
| Random European Country to Capital | 0 | - | 4.92 | 147,386 |
| Random African Capital to Country | 0 | - | 4.97 | 99,701 |
| Random African Country to Capital | 0 | - | 4.94 | 70,195 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,706 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,239 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,637 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,391 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,682 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,989 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,839 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,019 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,881 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,612 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,561 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,547 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,333 |
| Countries by Capital City | 0 | - | 5.00 | 66,557 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,280 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,864 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,202 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,384 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,027 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,780 |
| Moved Capital Cities | 0 | - | 4.96 | 73,552 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,804 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,234 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,786 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,486 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,865 |
| Which City in Europe? | 0 | - | 4.83 | 106,589 |
| Hindu Countries | 0 | - | 4.85 | 49,520 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,381 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,174 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,689 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,071 |
| North American Sports Cities | 0 | - | 4.83 | 170,840 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,903 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,681 |
| Name a Valid World City | 0 | - | 4.83 | 70,072 |
| Cities by Former Name | 0 | - | 4.84 | 90,925 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,671 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,219 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,868 |
| World Capitals by Map | 0 | - | 5.00 | 283,042 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,627 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,262 |
| Random Country to Capital | 0 | - | 4.98 | 911,174 |
| Capitals Starting With H | 0 | - | 4.90 | 90,531 |
| Capitals Starting With K | 0 | - | 4.85 | 75,639 |
| Capitals Starting With L | 0 | - | 4.81 | 86,777 |
| Capitals Starting With M | 0 | - | 4.93 | 105,976 |
| Capitals Starting With P | 0 | - | 4.88 | 77,141 |
| Capitals Starting With R | 0 | - | 4.87 | 80,928 |
| Capitals Starting With S | 0 | - | 4.89 | 84,758 |
| Capitals Starting With T | 0 | - | 4.84 | 75,254 |
| Capitals Starting With W | 0 | - | 4.89 | 90,573 |
| Capitals Starting With A | 0 | - | 4.97 | 126,479 |
| Capitals Starting With B | 0 | - | 4.89 | 117,226 |
| Capitals Starting With D | 0 | - | 4.93 | 95,327 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,292 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 81,745 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,186 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,554 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,797 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,275 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,009 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 41,680 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,155 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,154 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,311 |
| Which City in Canada? | 0 | - | 4.82 | 56,638 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,604 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,909 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,136 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,345 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,979 |
| 50 Biggest Cities in 1920 on a World Map | 0 | - | 4.99 | 76,678 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,234 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,215 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,560 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,525 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,760 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,157 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,290 |
| North America Cities by Map | 0 | - | 4.41 | 47,603 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,151 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,011 |
| Random European City to Country | 0 | - | 4.69 | 116,281 |
| Random Asian City to Country | 0 | - | 4.56 | 44,385 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,616 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,300 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,085 |
| Capital Cities Chain | 0 | - | 4.84 | 81,874 |
| Coldest World Capitals | 0 | - | 4.95 | 133,020 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,743 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,950 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,802 |
| US States and State Capitals | 0 | - | 4.99 | 158,329 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,267 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,831 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,778 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,946 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,225 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,537 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,544 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,138 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,079 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,563 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,016 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,700 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,315 |
| South American Cities on the Map | 0 | - | 4.57 | 35,238 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,578 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,659 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,578 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,167 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,077 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,606 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,205 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,784 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,454 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,076 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,811 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,277 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,341 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,141 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,745 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,681 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,848 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,895 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,438 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,229 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,020 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,144 |
| The Only Country ... | 0 | - | 4.91 | 79,808 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,841 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,682 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,519 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,212 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,974 |
| Ancient City to Country | 0 | - | 4.70 | 107,589 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,809 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,534 |
| City-States | 0 | - | 4.53 | 37,087 |
