| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,938 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,198 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,315 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,400 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,387 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,369 |
| Name a City - European Countries | 0 | - | 4.91 | 64,780 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,233 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,664 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,803 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,982 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,021 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,368 |
| Europe Capital to Country | 0 | - | 4.99 | 248,756 |
| Asia Capital to Country | 0 | - | 4.96 | 126,115 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,039 |
| European Capitals by Map | 0 | - | 4.99 | 137,540 |
| African Capitals by Map | 0 | - | 4.99 | 132,761 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,676 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,555 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,926 |
| European Coastal Capitals | 0 | - | 4.95 | 90,061 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,335 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,082 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,666 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,561 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,035 |
| Official Cities in the UK | 0 | - | 4.89 | 281,762 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,299 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,917 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,066 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,933 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,660 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,533 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,460 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,899 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,772 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,965 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,573 |
| US States and State Capitals | 0 | - | 4.99 | 160,045 |
| Which City in California? | 0 | - | 4.56 | 31,959 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,507 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,571 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,965 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,050 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,735 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,693 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,546 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,880 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,568 |
| Capitals of the Stans | 0 | - | 4.95 | 26,585 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,123 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,082 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,734 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,929 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,851 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,845 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,335 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,268 |
| Random European Capital to Country | 0 | - | 4.98 | 189,712 |
| Random European Country to Capital | 0 | - | 4.92 | 147,811 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,618 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,747 |
| Random African Capital to Country | 0 | - | 4.97 | 99,993 |
| Random African Country to Capital | 0 | - | 4.94 | 70,457 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,229 |
| New York City A-Z | 0 | - | 4.18 | 32,234 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,897 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,744 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,941 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,721 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,053 |
| Random U.S. City to State | 0 | - | 4.45 | 75,622 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,095 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,412 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,548 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,891 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,425 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,782 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,173 |
| Which City in New York State? | 0 | - | 4.60 | 15,907 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,288 |
| Which City in Europe? | 0 | - | 4.83 | 106,970 |
| Which City in Texas? | 0 | - | 4.45 | 25,028 |
| Which City in Florida? | 0 | - | 4.61 | 10,952 |
| U.S. Senators by State | 0 | - | 4.45 | 39,836 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,733 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,387 |
| North American Sports Cities | 0 | - | 4.83 | 171,328 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,023 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,631 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,388 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,500 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,297 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,000 |
| Name a Valid World City | 0 | - | 4.83 | 70,493 |
| Find the City #1 | 0 | - | 4.97 | 42,452 |
| Cities by Former Name | 0 | - | 4.84 | 91,221 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,193 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,509 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,008 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,416 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,998 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,233 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,080 |
| Countries by Capital City | 0 | - | 5.00 | 67,372 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,683 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,203 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,134 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,647 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,425 |
| Moved Capital Cities | 0 | - | 4.96 | 73,845 |
| World Capitals by Map | 0 | - | 5.00 | 284,617 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,938 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,489 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,015 |
| Random Country to Capital | 0 | - | 4.98 | 914,566 |
| Capitals Starting With H | 0 | - | 4.90 | 91,675 |
| Capitals Starting With K | 0 | - | 4.85 | 75,909 |
| Capitals Starting With L | 0 | - | 4.81 | 87,099 |
| Capitals Starting With M | 0 | - | 4.93 | 106,522 |
| Capitals Starting With P | 0 | - | 4.88 | 77,408 |
| Capitals Starting With R | 0 | - | 4.87 | 81,187 |
| Capitals Starting With S | 0 | - | 4.89 | 85,032 |
| Capitals Starting With T | 0 | - | 4.84 | 75,511 |
| Capitals Starting With W | 0 | - | 4.89 | 90,822 |
| Capitals Starting With A | 0 | - | 4.97 | 126,867 |
| Capitals Starting With B | 0 | - | 4.89 | 117,570 |
| Capitals Starting With D | 0 | - | 4.93 | 95,653 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,689 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,960 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,707 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,587 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,971 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,363 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,852 |
| Which City in Canada? | 0 | - | 4.82 | 56,837 |
| Boroughs of New York City | 0 | - | 4.47 | 84,302 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,915 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,967 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,111 |
| Cities in European History #1 | 0 | - | 4.63 | 133,498 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,419 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,251 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,626 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,299 |
| North America Cities by Map | 0 | - | 4.41 | 47,690 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,834 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,062 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,501 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,810 |
| ALL California Cities | 0 | - | 4.37 | 42,923 |
| Random European City to Country | 0 | - | 4.69 | 116,911 |
| Random Asian City to Country | 0 | - | 4.56 | 44,430 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,042 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,410 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,516 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,422 |
| Former Capitals | 0 | - | 4.88 | 71,263 |
| Capital Cities Chain | 0 | - | 4.84 | 82,201 |
| Coldest World Capitals | 0 | - | 4.95 | 133,196 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,091 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,033 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,298 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,732 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,640 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,109 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,843 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,421 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,898 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,487 |
| Chicago A-Z | 0 | - | 4.25 | 15,482 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,608 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,638 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,535 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,399 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,305 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,994 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,581 |
| American TV Show Settings | 0 | - | 4.35 | 30,609 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,735 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,878 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,426 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,403 |
| South American Cities on the Map | 0 | - | 4.56 | 35,302 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,633 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,278 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,298 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,916 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,561 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,606 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,665 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,640 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,533 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,248 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,090 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,709 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,398 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,367 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,925 |
