| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,586 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,506 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,769 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,169 |
| Europe Capital to Country | 0 | - | 4.99 | 250,540 |
| Asia Capital to Country | 0 | - | 4.96 | 126,742 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,023 |
| European Capitals by Map | 0 | - | 4.99 | 139,489 |
| African Capitals by Map | 0 | - | 4.99 | 133,988 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,510 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,160 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,510 |
| European Coastal Capitals | 0 | - | 4.95 | 90,686 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,620 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,320 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,246 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,872 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,127 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,558 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,106 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,382 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,905 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,225 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,438 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,343 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,230 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| Capitals of the Stans | 0 | - | 4.95 | 26,871 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,999 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,879 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,517 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,214 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,718 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,955 |
| Name a City - European Countries | 0 | - | 4.90 | 65,471 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,549 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,716 |
| Random European Capital to Country | 0 | - | 4.98 | 191,034 |
| Random European Country to Capital | 0 | - | 4.93 | 165,251 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,519 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,829 |
| Random African Capital to Country | 0 | - | 4.97 | 100,780 |
| Random African Country to Capital | 0 | - | 4.94 | 71,316 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,958 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,801 |
| South American Cities on the Map | 0 | - | 4.53 | 35,441 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,143 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,213 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,886 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,021 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,869 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,022 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,822 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,141 |
| Official Cities in the UK | 0 | - | 4.89 | 284,091 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,572 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,240 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,726 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,252 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,050 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,063 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,785 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,701 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,134 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,238 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,498 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,500 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,098 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,170 |
| States of Brazil | 0 | - | 4.97 | 88,293 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,019 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,373 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,287 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,687 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,977 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,114 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,377 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,478 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,581 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,337 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,139 |
| Countries by Capital City | 0 | - | 5.00 | 68,434 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,248 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,727 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,707 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,300 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,193 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,363 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,236 |
| Moved Capital Cities | 0 | - | 4.96 | 74,264 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,004 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,684 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,597 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,109 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,387 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,755 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,787 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,950 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,418 |
| Random U.S. City to State | 0 | - | 4.45 | 76,353 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,790 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,922 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,433 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,163 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,207 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,959 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,565 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,986 |
| Which City in Europe? | 0 | - | 4.83 | 107,466 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,617 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,621 |
| North American Sports Cities | 0 | - | 4.83 | 172,485 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,352 |
| Cities in European History #1 | 0 | - | 4.63 | 134,092 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,364 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,770 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,890 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,415 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,134 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,456 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,907 |
| Name a Valid World City | 0 | - | 4.83 | 71,319 |
| Cities by Former Name | 0 | - | 4.83 | 91,624 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,430 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,698 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,288 |
| World Capitals by Map | 0 | - | 5.00 | 286,900 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,380 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,712 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,422 |
| Random Country to Capital | 0 | - | 4.98 | 921,404 |
| Capitals Starting With H | 0 | - | 4.91 | 92,639 |
| Capitals Starting With K | 0 | - | 4.88 | 83,658 |
| Capitals Starting With L | 0 | - | 4.81 | 88,169 |
| Capitals Starting With M | 0 | - | 4.93 | 107,930 |
| Capitals Starting With P | 0 | - | 4.88 | 78,270 |
| Capitals Starting With R | 0 | - | 4.87 | 81,909 |
| Capitals Starting With S | 0 | - | 4.90 | 85,870 |
| Capitals Starting With T | 0 | - | 4.85 | 76,226 |
| Capitals Starting With W | 0 | - | 4.87 | 91,347 |
| Capitals Starting With A | 0 | - | 4.97 | 128,168 |
| Capitals Starting With B | 0 | - | 4.89 | 118,595 |
| Capitals Starting With D | 0 | - | 4.93 | 96,530 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,634 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,243 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,071 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,852 |
| Boroughs of New York City | 0 | - | 4.47 | 84,646 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,918 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,501 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,075 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,056 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,583 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,064 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,243 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,444 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,982 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,863 |
| Former Capitals | 0 | - | 4.88 | 71,488 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,719 |
| Capital Cities Chain | 0 | - | 4.83 | 82,822 |
| Coldest World Capitals | 0 | - | 4.95 | 133,595 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,646 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,347 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,987 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,403 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,331 |
| Which City in Canada? | 0 | - | 4.83 | 57,103 |
| Flags of North and South America | 0 | - | 4.99 | 373,611 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,249 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,422 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,900 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,158 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,601 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,525 |
| North America Cities by Map | 0 | - | 4.41 | 47,823 |
| ALL California Cities | 0 | - | 4.37 | 43,076 |
| Random European City to Country | 0 | - | 4.69 | 117,751 |
| Random Asian City to Country | 0 | - | 4.56 | 44,551 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,282 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,458 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,754 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,241 |
| US States and State Capitals | 0 | - | 4.99 | 162,889 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,060 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,994 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,455 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,019 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,486 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,775 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,551 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,729 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,458 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,871 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,446 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,869 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,080 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,558 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,977 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,696 |
