| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,193 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,174 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,278 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,462 |
| Europe Capital to Country | 0 | - | 4.99 | 251,616 |
| Asia Capital to Country | 0 | - | 4.96 | 127,221 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,671 |
| European Capitals by Map | 0 | - | 4.99 | 141,477 |
| African Capitals by Map | 0 | - | 4.99 | 141,523 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,633 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,656 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,995 |
| European Coastal Capitals | 0 | - | 4.95 | 91,104 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,082 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,795 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,336 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,062 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,540 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,998 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,415 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,865 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,261 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,472 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,789 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,590 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,500 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,252 |
| Capitals of the Stans | 0 | - | 4.95 | 27,059 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,626 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,335 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,292 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,452 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 149,636 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,291 |
| Name a City - European Countries | 0 | - | 4.90 | 65,960 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,728 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,953 |
| Random European Capital to Country | 0 | - | 4.98 | 191,855 |
| Random European Country to Capital | 0 | - | 4.93 | 165,675 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,884 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,274 |
| Random African Capital to Country | 0 | - | 4.97 | 101,158 |
| Random African Country to Capital | 0 | - | 4.94 | 71,627 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,346 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,260 |
| South American Cities on the Map | 0 | - | 4.52 | 35,524 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,745 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,813 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,209 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,113 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,156 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,283 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,236 |
| World Capitals Quiz | 0 | - | 5.00 | 5,096,507 |
| Official Cities in the UK | 0 | - | 4.89 | 285,503 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,871 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,531 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,330 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,861 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,253 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,108 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,757 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,619 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,723 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,445 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,700 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,183 |
| Brazil States Map Quiz | 0 | - | 4.86 | 48,439 |
| States of Brazil | 0 | - | 4.97 | 89,207 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,540 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,519 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,004 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,613 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,140 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,251 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,931 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,813 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,998 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,940 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,821 |
| Countries by Capital City | 0 | - | 5.00 | 69,105 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,672 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,067 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,156 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,640 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,247 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,447 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,434 |
| Moved Capital Cities | 0 | - | 4.96 | 74,528 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,160 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,915 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,745 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,443 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,008 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,912 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,406 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 177,393 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,917 |
| Random U.S. City to State | 0 | - | 4.45 | 76,763 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,019 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,997 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,649 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,213 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,239 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,058 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,660 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Which City in Europe? | 0 | - | 4.83 | 107,768 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,129 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,792 |
| North American Sports Cities | 0 | - | 4.83 | 172,959 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,500 |
| Cities in European History #1 | 0 | - | 4.63 | 134,449 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,426 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,855 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,936 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,471 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,189 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,797 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,342 |
| Name a Valid World City | 0 | - | 4.84 | 71,757 |
| Cities by Former Name | 0 | - | 4.83 | 91,915 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,604 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,886 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,637 |
| World Capitals by Map | 0 | - | 5.00 | 288,657 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,686 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,485 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| Random Country to Capital | 0 | - | 4.98 | 925,632 |
| Capitals Starting With H | 0 | - | 4.91 | 92,957 |
| Capitals Starting With K | 0 | - | 4.88 | 84,007 |
| Capitals Starting With L | 0 | - | 4.81 | 89,715 |
| Capitals Starting With M | 0 | - | 4.93 | 108,478 |
| Capitals Starting With P | 0 | - | 4.88 | 78,590 |
| Capitals Starting With R | 0 | - | 4.88 | 82,167 |
| Capitals Starting With S | 0 | - | 4.90 | 86,180 |
| Capitals Starting With T | 0 | - | 4.85 | 76,497 |
| Capitals Starting With W | 0 | - | 4.87 | 91,511 |
| Capitals Starting With A | 0 | - | 4.97 | 128,616 |
| Capitals Starting With B | 0 | - | 4.89 | 119,017 |
| Capitals Starting With D | 0 | - | 4.93 | 96,851 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,656 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,283 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,091 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,935 |
| Boroughs of New York City | 0 | - | 4.47 | 84,866 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,089 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,655 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,370 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,506 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,708 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,723 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,077 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,497 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,500 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,431 |
| Former Capitals | 0 | - | 4.88 | 71,615 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,872 |
| Capital Cities Chain | 0 | - | 4.84 | 83,198 |
| Coldest World Capitals | 0 | - | 4.95 | 134,068 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,977 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,689 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,383 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,431 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,639 |
| Which City in Canada? | 0 | - | 4.83 | 57,274 |
| Flags of North and South America | 0 | - | 4.99 | 375,860 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,296 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,628 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,036 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,210 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,664 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,666 |
| North America Cities by Map | 0 | - | 4.41 | 47,900 |
| ALL California Cities | 0 | - | 4.37 | 43,190 |
| Random European City to Country | 0 | - | 4.69 | 118,263 |
| Random Asian City to Country | 0 | - | 4.56 | 44,588 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,640 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,487 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,835 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,373 |
| US States and State Capitals | 0 | - | 4.99 | 164,648 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,993 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,734 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,378 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,682 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,742 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,917 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,637 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,783 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,560 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,162 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,773 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,037 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,335 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,701 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,027 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,805 |
