| New York City A-Z | 0 | - | 4.18 | 32,208 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,117 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,169 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,567 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,905 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,741 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,116 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,294 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,857 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,248 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,128 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,475 |
| Name a City - European Countries | 0 | - | 4.91 | 64,575 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,626 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,915 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,928 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,079 |
| Which City in California? | 0 | - | 4.56 | 31,927 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,468 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,045 |
| Europe Capital to Country | 0 | - | 4.99 | 248,194 |
| Asia Capital to Country | 0 | - | 4.96 | 125,865 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,681 |
| European Capitals by Map | 0 | - | 4.99 | 136,783 |
| African Capitals by Map | 0 | - | 4.99 | 132,360 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,374 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,338 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,746 |
| European Coastal Capitals | 0 | - | 4.95 | 89,893 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,237 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,306 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,120 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,469 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,737 |
| Official Cities in the UK | 0 | - | 4.89 | 280,973 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,688 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.54 | 137,779 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,167 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,241 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,526 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,275 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,767 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,294 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,766 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,521 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,285 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,257 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,779 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,767 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,601 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,839 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,332 |
| Which City in Texas? | 0 | - | 4.45 | 24,992 |
| Which City in Florida? | 0 | - | 4.61 | 10,940 |
| California A-Z | 0 | - | 4.49 | 28,722 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,931 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,345 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,302 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,894 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,344 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,508 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,689 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,148 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,638 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,359 |
| US States and State Capitals | 0 | - | 4.99 | 158,938 |
| Capitals of the Stans | 0 | - | 4.95 | 26,482 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,041 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,483 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,825 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,641 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,206 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,853 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,394 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,991 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,591 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,184 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,158 |
| Random European Capital to Country | 0 | - | 4.98 | 189,393 |
| Random European Country to Capital | 0 | - | 4.92 | 147,598 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,466 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,542 |
| Random African Capital to Country | 0 | - | 4.97 | 99,799 |
| Random African Country to Capital | 0 | - | 4.94 | 70,308 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,600 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,055 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,938 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,712 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,912 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,650 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,551 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,561 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,858 |
| Random U.S. City to State | 0 | - | 4.45 | 75,439 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,045 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,799 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,831 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,801 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,341 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,692 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,968 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,691 |
| Which City in Europe? | 0 | - | 4.83 | 106,826 |
| Chicago A-Z | 0 | - | 4.25 | 15,460 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,577 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,991 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,469 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,620 |
| Find the City #1 | 0 | - | 4.97 | 42,227 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,161 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,789 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,741 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,858 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,684 |
| Countries by Capital City | 0 | - | 5.00 | 66,877 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,451 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,015 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,492 |
| Moved Capital Cities | 0 | - | 4.96 | 73,683 |
| Random Capital to Country | 0 | - | 4.99 | 2,579,794 |
| Random Country to Capital | 0 | - | 4.98 | 912,629 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,561 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,930 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,668 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,541 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,537 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,078 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,812 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,679 |
| Which City in Canada? | 0 | - | 4.82 | 56,758 |
| Boroughs of New York City | 0 | - | 4.47 | 84,170 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,827 |
| Rome A-Z | 0 | - | 4.39 | 24,413 |
| Paris A-Z | 0 | - | 4.16 | 17,394 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,515 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,759 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,048 |
| Australia A-Z | 0 | - | 4.54 | 49,811 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,643 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,211 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,384 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,974 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,910 |
| North American Sports Cities | 0 | - | 4.83 | 171,034 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,954 |
| Cities in European History #1 | 0 | - | 4.63 | 133,283 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,347 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,222 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,588 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,194 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,819 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,031 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,294 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,339 |
| ALL California Cities | 0 | - | 4.37 | 42,853 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,979 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,811 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,829 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,270 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,398 |
| Name a Valid World City | 0 | - | 4.83 | 70,265 |
| Cities by Former Name | 0 | - | 4.84 | 91,056 |
| Former Capitals | 0 | - | 4.88 | 71,191 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,747 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,296 |
| Capital Cities Chain | 0 | - | 4.84 | 82,004 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,966 |
| Coldest World Capitals | 0 | - | 4.95 | 133,097 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,098 |
| World Capitals by Map | 0 | - | 5.00 | 283,840 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,763 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,908 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 14,995 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,094 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,217 |
| Capitals Starting With H | 0 | - | 4.90 | 91,406 |
| Capitals Starting With K | 0 | - | 4.85 | 75,783 |
| Capitals Starting With L | 0 | - | 4.81 | 86,943 |
| Capitals Starting With M | 0 | - | 4.93 | 106,247 |
| Capitals Starting With P | 0 | - | 4.88 | 77,281 |
| Capitals Starting With R | 0 | - | 4.87 | 81,060 |
| Capitals Starting With S | 0 | - | 4.89 | 84,909 |
| Capitals Starting With T | 0 | - | 4.84 | 75,380 |
| Capitals Starting With W | 0 | - | 4.89 | 90,698 |
| Capitals Starting With A | 0 | - | 4.97 | 126,685 |
| Capitals Starting With B | 0 | - | 4.89 | 117,411 |
| Capitals Starting With D | 0 | - | 4.93 | 95,497 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,947 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,801 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,369 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,873 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,345 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,610 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,649 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,040 |
| India A-Z | 0 | - | 4.42 | 33,951 |
| Italy A-Z | 0 | - | 4.49 | 57,810 |
| China A-Z | 0 | - | 4.55 | 66,796 |
| Germany A-Z | 0 | - | 4.56 | 62,357 |
| Scotland A-Z | 0 | - | 4.73 | 41,079 |
