| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,660 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,920 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,109 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,198 |
| Europe Capital to Country | 0 | - | 4.99 | 250,678 |
| Asia Capital to Country | 0 | - | 4.96 | 126,774 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,090 |
| European Capitals by Map | 0 | - | 4.99 | 139,702 |
| African Capitals by Map | 0 | - | 4.99 | 134,067 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,569 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,229 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,555 |
| European Coastal Capitals | 0 | - | 4.95 | 90,741 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,640 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,521 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,347 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,892 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,329 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,609 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,148 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,442 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,950 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,249 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,499 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,363 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,255 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,166 |
| Capitals of the Stans | 0 | - | 4.95 | 26,886 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,077 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,924 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,592 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,251 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,779 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,000 |
| Name a City - European Countries | 0 | - | 4.90 | 65,531 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,568 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,743 |
| Random European Capital to Country | 0 | - | 4.98 | 191,106 |
| Random European Country to Capital | 0 | - | 4.93 | 165,306 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,550 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,884 |
| Random African Capital to Country | 0 | - | 4.97 | 100,818 |
| Random African Country to Capital | 0 | - | 4.94 | 71,332 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,656 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,862 |
| South American Cities on the Map | 0 | - | 4.53 | 35,449 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,197 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,295 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,919 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,028 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,904 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,045 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,860 |
| World Capitals Quiz | 0 | - | 5.00 | 5,080,388 |
| Official Cities in the UK | 0 | - | 4.89 | 284,264 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,604 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,277 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,791 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,261 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,091 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,067 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,791 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,707 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,173 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,301 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,831 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,517 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,102 |
| Brazil States Map Quiz | 0 | - | 4.85 | 48,200 |
| States of Brazil | 0 | - | 4.97 | 88,409 |
| All First-Level Subdivisions of South America on a Map | 0 | - | 4.92 | 54,088 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,390 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,363 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,751 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,995 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,135 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,450 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,501 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,618 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,391 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,209 |
| Countries by Capital City | 0 | - | 5.00 | 68,513 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,295 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,764 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,861 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,336 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,195 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,370 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,266 |
| Moved Capital Cities | 0 | - | 4.96 | 74,293 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,017 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,708 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,612 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,163 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,453 |
| Colombia Country Quiz | 0 | - | 4.90 | 40,774 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,866 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,145 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,629 |
| Random U.S. City to State | 0 | - | 4.45 | 76,386 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,818 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,934 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,453 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,168 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,211 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,971 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,569 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,989 |
| Which City in Europe? | 0 | - | 4.83 | 107,503 |
| Countries Bordering Brazil | 0 | - | 4.96 | 131,770 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,632 |
| North American Sports Cities | 0 | - | 4.83 | 172,551 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,369 |
| Cities in European History #1 | 0 | - | 4.63 | 134,134 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,370 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,780 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,895 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,422 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,144 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,491 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,941 |
| Name a Valid World City | 0 | - | 4.83 | 71,378 |
| Cities by Former Name | 0 | - | 4.83 | 91,653 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,452 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,723 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,326 |
| World Capitals by Map | 0 | - | 5.00 | 287,177 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,411 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,381 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,424 |
| Random Country to Capital | 0 | - | 4.98 | 921,934 |
| Capitals Starting With H | 0 | - | 4.91 | 92,672 |
| Capitals Starting With K | 0 | - | 4.88 | 83,711 |
| Capitals Starting With L | 0 | - | 4.81 | 88,198 |
| Capitals Starting With M | 0 | - | 4.93 | 107,983 |
| Capitals Starting With P | 0 | - | 4.88 | 78,305 |
| Capitals Starting With R | 0 | - | 4.87 | 81,940 |
| Capitals Starting With S | 0 | - | 4.90 | 85,905 |
| Capitals Starting With T | 0 | - | 4.85 | 76,260 |
| Capitals Starting With W | 0 | - | 4.87 | 91,369 |
| Capitals Starting With A | 0 | - | 4.97 | 128,215 |
| Capitals Starting With B | 0 | - | 4.89 | 118,652 |
| Capitals Starting With D | 0 | - | 4.93 | 96,572 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,638 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,247 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,072 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,865 |
| Boroughs of New York City | 0 | - | 4.47 | 84,680 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,938 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,509 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,239 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,119 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,598 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,103 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,358 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,447 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,014 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,897 |
| Former Capitals | 0 | - | 4.88 | 71,500 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,739 |
| Capital Cities Chain | 0 | - | 4.83 | 82,875 |
| Coldest World Capitals | 0 | - | 4.95 | 133,623 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,691 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,383 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,038 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,407 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,367 |
| Which City in Canada? | 0 | - | 4.83 | 57,118 |
| Flags of North and South America | 0 | - | 4.99 | 373,843 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,252 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,442 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,919 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,166 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,605 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,542 |
| North America Cities by Map | 0 | - | 4.41 | 47,828 |
| ALL California Cities | 0 | - | 4.37 | 43,089 |
| Random European City to Country | 0 | - | 4.69 | 117,807 |
| Random Asian City to Country | 0 | - | 4.56 | 44,554 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,334 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,461 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,758 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,254 |
| US States and State Capitals | 0 | - | 4.99 | 163,130 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,185 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,090 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,550 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,267 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,523 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,787 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,562 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,734 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,475 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,909 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,484 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,895 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,126 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,578 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,989 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,708 |
