| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,469 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,165 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,138 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,710 |
| Europe Capital to Country | 0 | - | 4.99 | 252,221 |
| Asia Capital to Country | 0 | - | 4.96 | 127,598 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,052 |
| European Capitals by Map | 0 | - | 4.99 | 142,221 |
| African Capitals by Map | 0 | - | 4.99 | 142,307 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,968 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,936 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,229 |
| European Coastal Capitals | 0 | - | 4.95 | 91,354 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,214 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,831 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,864 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,189 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,318 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,274 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,621 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,172 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,419 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,606 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,988 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,738 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,747 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,345 |
| Capitals of the Stans | 0 | - | 4.95 | 27,173 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,082 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,137 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,679 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,588 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,123 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,490 |
| Name a City - European Countries | 0 | - | 4.89 | 66,225 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,831 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,103 |
| Random European Capital to Country | 0 | - | 4.98 | 192,197 |
| Random European Country to Capital | 0 | - | 4.93 | 165,960 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,008 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,478 |
| Random African Capital to Country | 0 | - | 4.97 | 101,382 |
| Random African Country to Capital | 0 | - | 4.95 | 71,777 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,284 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,540 |
| South American Cities on the Map | 0 | - | 4.52 | 35,561 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,059 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,131 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,467 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,173 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,279 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,391 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,439 |
| World Capitals Quiz | 0 | - | 5.00 | 5,108,349 |
| Official Cities in the UK | 0 | - | 4.89 | 286,423 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,140 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,704 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,964 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,315 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,619 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,176 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,892 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,803 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,883 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,983 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,384 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,866 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,251 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,640 |
| States of Brazil | 0 | - | 4.97 | 89,801 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.93 | 54,910 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,612 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,365 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,862 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,229 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,326 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,411 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,003 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,249 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,282 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,206 |
| Countries by Capital City | 0 | - | 5.00 | 69,461 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,899 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,263 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,030 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,848 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,280 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,495 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,569 |
| Moved Capital Cities | 0 | - | 4.96 | 74,676 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,224 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,008 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,825 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,780 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,387 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,021 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,687 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,246 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,026 |
| Random U.S. City to State | 0 | - | 4.45 | 76,938 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,456 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,133 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,037 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,827 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,259 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,265 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,106 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,732 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,082 |
| Which City in Europe? | 0 | - | 4.83 | 107,913 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,279 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,917 |
| North American Sports Cities | 0 | - | 4.82 | 173,190 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,575 |
| Cities in European History #1 | 0 | - | 4.63 | 134,646 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,462 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,898 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,958 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,495 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,222 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,976 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,516 |
| Name a Valid World City | 0 | - | 4.85 | 72,030 |
| Cities by Former Name | 0 | - | 4.83 | 92,090 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,934 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,997 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,875 |
| World Capitals by Map | 0 | - | 5.00 | 289,573 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,848 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,292 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,464 |
| Random Country to Capital | 0 | - | 4.98 | 928,744 |
| Capitals Starting With H | 0 | - | 4.91 | 93,365 |
| Capitals Starting With K | 0 | - | 4.88 | 84,438 |
| Capitals Starting With M | 0 | - | 4.94 | 109,233 |
| Capitals Starting With P | 0 | - | 4.88 | 79,037 |
| Capitals Starting With R | 0 | - | 4.88 | 82,535 |
| Capitals Starting With S | 0 | - | 4.90 | 86,606 |
| Capitals Starting With T | 0 | - | 4.86 | 76,869 |
| Capitals Starting With W | 0 | - | 4.87 | 91,754 |
| Capitals Starting With A | 0 | - | 4.97 | 129,154 |
| Capitals Starting With B | 0 | - | 4.89 | 119,552 |
| Capitals Starting With D | 0 | - | 4.94 | 97,243 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,674 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,314 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,119 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,974 |
| Boroughs of New York City | 0 | - | 4.47 | 85,344 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,423 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,740 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,253 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,730 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,797 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,959 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,559 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,557 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,713 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,608 |
| Former Capitals | 0 | - | 4.88 | 71,687 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,946 |
| Capital Cities Chain | 0 | - | 4.84 | 83,415 |
| Coldest World Capitals | 0 | - | 4.95 | 134,183 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,184 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,873 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,609 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,445 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,803 |
| Which City in Canada? | 0 | - | 4.83 | 57,370 |
| Flags of North and South America | 0 | - | 4.99 | 377,300 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,753 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,116 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,231 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,748 |
| North America Cities by Map | 0 | - | 4.41 | 47,953 |
| ALL California Cities | 0 | - | 4.37 | 43,254 |
| Random European City to Country | 0 | - | 4.69 | 118,483 |
| Random Asian City to Country | 0 | - | 4.56 | 44,623 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,867 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,508 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,877 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,432 |
| US States and State Capitals | 0 | - | 4.99 | 165,518 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,650 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,220 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,013 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,955 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,906 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,999 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,690 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,805 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,622 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,382 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,000 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,124 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,521 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,868 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,072 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,871 |
