| Most Guessed U.S. Cities | 0 | - | 4.90 | 92,456 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 62,278 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,288 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,946 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,145 |
| New York City A-Z | 0 | - | 4.18 | 30,520 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,541,709 |
| Africa Capitals Quiz | 0 | - | 4.99 | 643,968 |
| Asia Capitals Quiz | 0 | - | 4.98 | 602,408 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,880 |
| Name a World Capital A-Z | 0 | - | 4.99 | 142,550 |
| Los Angeles A-Z | 0 | - | 4.16 | 8,841 |
| Name a City - European Countries | 0 | - | 4.95 | 53,092 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,525 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,739 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.49 | 32,071 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,948 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 58,155 |
| Europe Capital to Country | 0 | - | 4.99 | 222,373 |
| Asia Capital to Country | 0 | - | 4.96 | 106,696 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,353 |
| European Capitals by Map | 0 | - | 4.99 | 96,600 |
| African Capitals by Map | 0 | - | 4.99 | 112,858 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,441 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,988 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,372 |
| European Coastal Capitals | 0 | - | 4.95 | 78,137 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,213 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 232,365 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 196,227 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,530 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,261 |
| Official Cities in the UK | 0 | - | 4.86 | 235,250 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.57 | 131,191 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 40,651 |
| South America Capitals Quiz | 0 | - | 5.00 | 431,276 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,917 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,140 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,074 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,698 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,761 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 67,452 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 89,072 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,192 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,553 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 75,787 |
| Name a Valid U.S. State Capital | 0 | - | 4.82 | 49,948 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.51 | 30,578 |
| Which City in Texas? | 0 | - | 4.43 | 23,586 |
| Which City in California? | 0 | - | 4.54 | 30,221 |
| Which City in Florida? | 0 | - | 4.60 | 10,309 |
| California A-Z | 0 | - | 4.48 | 27,894 |
| European Cities A-Z | 0 | - | 4.23 | 70,721 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,598 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 96,394 |
| World Capitals Quiz | 0 | - | 5.00 | 4,548,743 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,240 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.89 | 116,079 |
| Name a Valid European Capital | 0 | - | 4.94 | 126,814 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.87 | 68,948 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 92,554 |
| US States and State Capitals Quiz | 0 | - | 4.99 | 123,018 |
| Capitals of the Stans | 0 | - | 4.95 | 21,635 |
| Biggest Cities in North Carolina | 0 | - | 4.65 | 32,369 |
| 1M Cities by Proximity - United States | 0 | - | 4.50 | 138,353 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.72 | 36,874 |
| European Cities with the Biggest Economies | 0 | - | 4.58 | 35,632 |
| Divided World City Name Puzzle #2 | 0 | - | 4.91 | 30,050 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,400,078 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,230 |
| European Capitals with the Least Sunshine | 0 | - | 4.48 | 47,891 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,244 |
| Random European Capital to Country | 0 | - | 4.97 | 154,312 |
| Random European Country to Capital | 0 | - | 4.92 | 136,184 |
| Random Asian Country to Capital | 0 | - | 4.94 | 86,411 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,439 |
| Random African Capital to Country | 0 | - | 4.97 | 80,663 |
| Random African Country to Capital | 0 | - | 4.94 | 62,535 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.70 | 31,987 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.57 | 44,265 |
| Melbourne Suburbs | 0 | - | 4.81 | 38,578 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,718 |
| Rust Belt Cities Map Quiz | 0 | - | 4.56 | 32,494 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.84 | 51,408 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,312 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,287 |
| U.S. Cities A-Z | 0 | - | 4.21 | 30,751 |
| Random U.S. City to State | 0 | - | 4.44 | 66,426 |
| Random Cities Near Chicago on a Map | 0 | - | 4.50 | 31,370 |
| World Capitals Closest to Bangkok | 0 | - | 4.90 | 38,350 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,755 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,744 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,554 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,299 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.57 | 40,683 |
| Which City in Europe? | 0 | - | 4.84 | 98,409 |
| Chicago A-Z | 0 | - | 4.20 | 10,284 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.39 | 34,946 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.36 | 39,983 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,545 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.28 | 32,067 |
| Find the City #1 | 0 | - | 4.97 | 35,111 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,435 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,473 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,205 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,412 |
| Same Letter Country and Capital | 0 | - | 4.99 | 129,124 |
| Countries by Capital City | 0 | - | 4.99 | 50,783 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,745 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,833 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,948 |
| Moved Capital Cities | 0 | - | 4.96 | 67,681 |
| Random Capital to Country | 0 | - | 4.99 | 2,384,231 |
| Random Country to Capital | 0 | - | 4.98 | 810,839 |
| Speed Capital to U.S. State | 0 | - | 4.44 | 107,227 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.53 | 37,385 |
| Snowiest U.S. State Capitals | 0 | - | 4.43 | 27,302 |
| Hottest U.S. State Capitals | 0 | - | 4.76 | 21,872 |
| Coldest U.S. State Capitals | 0 | - | 4.57 | 19,031 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 75,620 |
| Which City in Canada? | 0 | - | 4.89 | 45,747 |
| Boroughs of New York City | 0 | - | 4.45 | 77,730 |
| Rome A-Z | 0 | - | 4.36 | 15,007 |
| Paris A-Z | 0 | - | 4.13 | 16,404 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,231 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 100,713 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 178,809 |
| Australia A-Z | 0 | - | 4.48 | 38,666 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,198 |
| European Capitals by Airport Code | 0 | - | 4.89 | 26,084 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,734 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,025 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,432 |
| Important Cities in European History | 0 | - | 4.55 | 110,360 |
| U.S Cities by African-American Population | 0 | - | 4.40 | 83,212 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,308 |
| European Cities by Map #2 | 0 | - | 4.48 | 44,694 |
| European Cities by Map #1 | 0 | - | 4.66 | 52,108 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 39,079 |
| Mediterranean Cities by Map | 0 | - | 4.48 | 49,407 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 195,026 |
| ALL California Cities | 0 | - | 4.36 | 39,520 |
| Important Places in U.S. History | 0 | - | 4.23 | 36,517 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,366 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 92,084 |
| Cities in Squares on a Map - Europe | 0 | - | 4.75 | 46,657 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,283 |
| Cities on Route 66 on a Map | 0 | - | 4.52 | 29,359 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.39 | 37,422 |
| Cities by Former Name | 0 | - | 4.86 | 72,244 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.40 | 11,683 |
| Richest Metro Areas in the U.S. | 0 | - | 4.35 | 27,182 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,377 |
| Capitals in their Native Languages | 0 | - | 4.94 | 127,827 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,787 |
| Capital Cities Chain | 0 | - | 4.86 | 72,158 |
| World Capitals by Proximity | 0 | - | 4.89 | 302,283 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.36 | 235,487 |
| Coldest World Capitals | 0 | - | 4.96 | 128,505 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,155 |
| World Capitals by Map | 0 | - | 5.00 | 245,764 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,799 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,404 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,665 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 43,137 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,806 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,457 |
| World Capitals By Letter - M | 0 | - | 4.89 | 86,706 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,653 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,805 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,114 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,969 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,819 |
| World Capitals By Letter - A | 0 | - | 4.96 | 105,629 |
| World Capitals By Letter - B | 0 | - | 4.85 | 97,642 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,797 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 34,713 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.65 | 32,471 |
| U.S. Suburbs Quiz | 0 | - | 4.45 | 17,642 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 51,529 |
| Countries with the Most Christians | 0 | - | 4.93 | 123,428 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 74,113 |
| Italy A-Z | 0 | - | 4.43 | 40,850 |
| China A-Z | 0 | - | 4.58 | 60,957 |
| Germany A-Z | 0 | - | 4.65 | 50,288 |
| Japan A-Z | 0 | - | 4.50 | 38,957 |
| Scotland A-Z | 0 | - | 4.75 | 38,057 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,390 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,344 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,676 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,004 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,390 |
| Biggest World Cities A-Z | 0 | - | 4.57 | 204,930 |
| U.S. City Nicknames | 0 | - | 4.23 | 99,873 |
| Westernmost Cities in the U.S. | 0 | - | 4.37 | 15,714 |
| UK Cities and Towns by Map | 0 | - | 4.54 | 44,127 |
| South American Cities on the Map | 0 | - | 4.55 | 33,350 |
| Random European City to Country | 0 | - | 4.71 | 107,641 |
| Random Asian City to Country | 0 | - | 4.52 | 33,884 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.60 | 38,602 |
