| New York City A-Z | 0 | - | 4.18 | 32,169 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,675 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,929 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,037 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,567 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,958 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,290 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,731 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,145 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,782 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,456 |
| Name a City - European Countries | 0 | - | 4.92 | 64,256 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,897 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,042 |
| Which City in California? | 0 | - | 4.56 | 31,865 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,233 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,633 |
| Europe Capital to Country | 0 | - | 4.99 | 247,260 |
| Asia Capital to Country | 0 | - | 4.96 | 125,603 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,263 |
| European Capitals by Map | 0 | - | 4.99 | 135,895 |
| African Capitals by Map | 0 | - | 4.99 | 132,035 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,948 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,060 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,518 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,141 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,329 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,506 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Official Cities in the UK | 0 | - | 4.89 | 280,101 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,629 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,582 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,185 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,420 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,101 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,734 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,455 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,523 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,649 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,691 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| Which City in Texas? | 0 | - | 4.45 | 24,955 |
| Which City in Florida? | 0 | - | 4.61 | 10,918 |
| California A-Z | 0 | - | 4.49 | 28,697 |
| Largest City on Every Continent A-Z | 0 | - | 4.97 | 37,661 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 76,827 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,076 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,624 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,702 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,109 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,288 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,343 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,662 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,377 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,087 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 158,032 |
| Capitals of the Stans | 0 | - | 4.95 | 26,361 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,660 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,442 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,584 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,539 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,141 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,761 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,377 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,748 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,123 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,041 |
| Random European Country to Capital | 0 | - | 4.92 | 147,323 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,261 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,321 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,566 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,005 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,607 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,692 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,864 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,561 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,303 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,212 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 171,967 |
| Random U.S. City to State | 0 | - | 4.45 | 75,186 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,968 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,916 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,768 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,769 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,573 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,625 |
| Which City in Europe? | 0 | - | 4.83 | 106,537 |
| Chicago A-Z | 0 | - | 4.25 | 15,445 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,513 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,560 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,444 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,579 |
| Find the City #1 | 0 | - | 4.96 | 42,021 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,803 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,556 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,505 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,472 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,197 |
| Countries by Capital City | 0 | - | 5.00 | 66,441 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,217 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,799 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Moved Capital Cities | 0 | - | 4.96 | 73,503 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,035 |
| Random Country to Capital | 0 | - | 4.98 | 910,387 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,449 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,883 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,633 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,484 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,518 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,038 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,795 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,258 |
| Which City in Canada? | 0 | - | 4.82 | 56,601 |
| Boroughs of New York City | 0 | - | 4.47 | 84,053 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,112 |
| Rome A-Z | 0 | - | 4.39 | 24,384 |
| Paris A-Z | 0 | - | 4.16 | 17,360 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,301 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,600 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,776 |
| Australia A-Z | 0 | - | 4.54 | 49,764 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,563 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,024 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,664 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,919 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,854 |
| North American Sports Cities | 0 | - | 4.83 | 170,739 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| Cities in European History #1 | 0 | - | 4.63 | 132,945 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,255 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,175 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,543 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,091 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,790 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 50,999 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,076 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,840 |
| ALL California Cities | 0 | - | 4.36 | 42,791 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 37,504 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,481 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,630 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,111 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,262 |
| Name a Valid World City | 0 | - | 4.83 | 69,982 |
| Cities by Former Name | 0 | - | 4.84 | 90,858 |
| Former Capitals | 0 | - | 4.88 | 71,074 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,631 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,182 |
| Capital Cities Chain | 0 | - | 4.84 | 81,793 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,729 |
| Coldest World Capitals | 0 | - | 4.95 | 132,978 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,759 |
| World Capitals by Map | 0 | - | 5.00 | 282,776 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,595 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,679 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,959 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,854 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,628 |
| Capitals Starting With H | 0 | - | 4.90 | 88,040 |
| Capitals Starting With K | 0 | - | 4.85 | 75,438 |
| Capitals Starting With M | 0 | - | 4.93 | 105,715 |
| Capitals Starting With P | 0 | - | 4.88 | 76,959 |
| Capitals Starting With R | 0 | - | 4.87 | 80,764 |
| Capitals Starting With S | 0 | - | 4.89 | 84,562 |
| Capitals Starting With T | 0 | - | 4.84 | 75,103 |
| Capitals Starting With W | 0 | - | 4.89 | 90,427 |
| Capitals Starting With A | 0 | - | 4.97 | 126,223 |
| Capitals Starting With B | 0 | - | 4.89 | 116,993 |
| Capitals Starting With D | 0 | - | 4.93 | 95,084 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,893 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,770 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,301 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,828 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,334 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,538 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,231 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,788 |
| India A-Z | 0 | - | 4.42 | 33,892 |
| Italy A-Z | 0 | - | 4.49 | 57,621 |
| China A-Z | 0 | - | 4.55 | 66,662 |
| Germany A-Z | 0 | - | 4.56 | 62,268 |
| Scotland A-Z | 0 | - | 4.73 | 41,007 |
