| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,172 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,987 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,485 |
| Random U.S. States on a Map | 0 | - | 4.96 | 627,681 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,264 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,964 |
| Name a City - European Countries | 0 | - | 4.90 | 65,588 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,513 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,507 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,295 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,180 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,929 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,358 |
| Europe Capital to Country | 0 | - | 4.99 | 250,808 |
| Asia Capital to Country | 0 | - | 4.96 | 126,842 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,168 |
| European Capitals by Map | 0 | - | 4.99 | 139,881 |
| African Capitals by Map | 0 | - | 4.99 | 134,119 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,606 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,275 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,605 |
| European Coastal Capitals | 0 | - | 4.95 | 90,782 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,660 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,747 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,487 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,909 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,863 |
| Official Cities in the UK | 0 | - | 4.89 | 284,435 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,480 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,390 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,508 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,688 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,194 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,500 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,007 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,277 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,535 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,392 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,207 |
| US States and State Capitals | 0 | - | 4.99 | 163,402 |
| Which City in California? | 0 | - | 4.56 | 32,064 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,612 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,361 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,163 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,658 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,806 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,230 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,671 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,281 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,220 |
| Capitals of the Stans | 0 | - | 4.95 | 26,905 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,411 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,809 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,013 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,150 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,298 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,736 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,584 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,769 |
| Random European Capital to Country | 0 | - | 4.98 | 191,189 |
| Random European Country to Capital | 0 | - | 4.93 | 165,360 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,577 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,930 |
| Random African Capital to Country | 0 | - | 4.97 | 100,863 |
| Random African Country to Capital | 0 | - | 4.94 | 71,364 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,517 |
| New York City A-Z | 0 | - | 4.18 | 32,325 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,389 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,370 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,952 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,343 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,861 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,772 |
| Random U.S. City to State | 0 | - | 4.45 | 76,498 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,323 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,852 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,048 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,041 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,931 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,071 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,902 |
| Which City in New York State? | 0 | - | 4.60 | 16,003 |
| Which City in Europe? | 0 | - | 4.83 | 107,543 |
| Which City in Texas? | 0 | - | 4.45 | 25,114 |
| Which City in Florida? | 0 | - | 4.61 | 11,000 |
| U.S. Senators by State | 0 | - | 4.44 | 39,996 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,962 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,045 |
| North American Sports Cities | 0 | - | 4.83 | 172,621 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,382 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,810 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,426 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,578 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,456 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,529 |
| Name a Valid World City | 0 | - | 4.83 | 71,431 |
| Find the City #1 | 0 | - | 4.97 | 42,933 |
| Cities by Former Name | 0 | - | 4.83 | 91,701 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,472 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,513 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,533 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,745 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,657 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,466 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,281 |
| Countries by Capital City | 0 | - | 5.00 | 68,603 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,356 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,793 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,548 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,385 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,377 |
| Moved Capital Cities | 0 | - | 4.96 | 74,328 |
| World Capitals by Map | 0 | - | 5.00 | 287,348 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,448 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,295 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,625 |
| Random Country to Capital | 0 | - | 4.98 | 922,585 |
| Capitals Starting With H | 0 | - | 4.91 | 92,706 |
| Capitals Starting With K | 0 | - | 4.88 | 83,751 |
| Capitals Starting With L | 0 | - | 4.81 | 88,234 |
| Capitals Starting With M | 0 | - | 4.93 | 108,038 |
| Capitals Starting With P | 0 | - | 4.88 | 78,332 |
| Capitals Starting With R | 0 | - | 4.87 | 81,968 |
| Capitals Starting With S | 0 | - | 4.90 | 85,940 |
| Capitals Starting With T | 0 | - | 4.84 | 76,293 |
| Capitals Starting With W | 0 | - | 4.87 | 91,387 |
| Capitals Starting With A | 0 | - | 4.97 | 128,267 |
| Capitals Starting With B | 0 | - | 4.89 | 118,684 |
| Capitals Starting With D | 0 | - | 4.93 | 96,609 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,127 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,075 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,801 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,719 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,112 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,413 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,397 |
| Which City in Canada? | 0 | - | 4.83 | 57,138 |
| Boroughs of New York City | 0 | - | 4.47 | 84,702 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,046 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,748 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,388 |
| Cities in European History #1 | 0 | - | 4.63 | 134,183 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,617 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,382 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,791 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,564 |
| North America Cities by Map | 0 | - | 4.41 | 47,839 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,903 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,148 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,164 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,461 |
| ALL California Cities | 0 | - | 4.37 | 43,098 |
| Random European City to Country | 0 | - | 4.69 | 117,858 |
| Random Asian City to Country | 0 | - | 4.56 | 44,560 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,069 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,990 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,923 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,466 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| Capital Cities Chain | 0 | - | 4.83 | 82,922 |
| Coldest World Capitals | 0 | - | 4.95 | 133,649 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,748 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,177 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,094 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,784 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,763 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,269 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,982 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,587 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,994 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,519 |
| Chicago A-Z | 0 | - | 4.25 | 15,523 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,526 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 192,535 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,297 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,194 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,628 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,569 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,731 |
| American TV Show Settings | 0 | - | 4.35 | 30,661 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,964 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,466 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,572 |
| South American Cities on the Map | 0 | - | 4.53 | 35,464 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,742 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,488 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,945 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,532 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,911 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,751 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,793 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,161 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,641 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,403 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,335 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,965 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,523 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,509 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 87,568 |
