| US States and State Capitals | 0 | - | 4.99 | 160,070 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,570 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,949 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,206 |
| Which City in Canada? | 0 | - | 4.82 | 56,839 |
| U.S. State Capitals Closest to the Mississippi River | 0 | - | 4.85 | 18,317 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,412 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,288 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,707 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,394 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,374 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,300 |
| Name a City - European Countries | 0 | - | 4.91 | 64,785 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,805 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,982 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,735 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,874 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,028 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,379 |
| Europe Capital to Country | 0 | - | 4.99 | 248,764 |
| Asia Capital to Country | 0 | - | 4.96 | 126,121 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,048 |
| European Capitals by Map | 0 | - | 4.99 | 137,567 |
| African Capitals by Map | 0 | - | 4.99 | 132,769 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,684 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,559 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,930 |
| European Coastal Capitals | 0 | - | 4.95 | 90,064 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,337 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,119 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,676 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,564 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 81,306 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,036 |
| Official Cities in the UK | 0 | - | 4.89 | 281,820 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,951 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,078 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,944 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,664 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,538 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,464 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,900 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,783 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,522 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,966 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,579 |
| U.S. State Flags | 0 | - | 4.89 | 168,644 |
| Hawaiian Islands | 0 | - | 4.83 | 42,555 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,196 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 189,142 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,507 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,581 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,982 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,056 |
| World Capitals Quiz | 0 | - | 5.00 | 5,048,136 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,701 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,564 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,886 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,723 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,961 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,105 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,659 |
| Boroughs of New York City | 0 | - | 4.47 | 84,307 |
| Seattle City Trivia | 0 | - | 4.19 | 26,304 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,916 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 115,768 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,898 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,457 |
| Capitals of the Stans | 0 | - | 4.95 | 26,587 |
| ALL California Cities | 0 | - | 4.37 | 42,925 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,011 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,854 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,336 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,270 |
| Random European Capital to Country | 0 | - | 4.98 | 189,721 |
| Random European Country to Capital | 0 | - | 4.92 | 147,813 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,621 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,752 |
| Random African Capital to Country | 0 | - | 4.97 | 99,997 |
| Random African Country to Capital | 0 | - | 4.94 | 70,497 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,247 |
| Which City in the United States? | 0 | - | 4.21 | 56,838 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,742 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,747 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,953 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,743 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,125 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,085 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,058 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,737 |
| Random U.S. City to State | 0 | - | 4.45 | 75,627 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,929 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,249 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,098 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,712 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,097 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,400 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,369 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,581 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,418 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,576 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,893 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,478 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,787 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,176 |
| Which City in Europe? | 0 | - | 4.83 | 106,973 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,668 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,258 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,207 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,632 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,399 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,500 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,533 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 55,073 |
| Find the City #1 | 0 | - | 4.97 | 42,460 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,518 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,014 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,008 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,241 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,090 |
| Countries by Capital City | 0 | - | 5.00 | 67,386 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,688 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,211 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,653 |
| Moved Capital Cities | 0 | - | 4.96 | 73,848 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,592 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,032 |
| Random Country to Capital | 0 | - | 4.98 | 914,626 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,693 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,962 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,709 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,587 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,290 |
| Miami City Trivia | 0 | - | 4.60 | 11,211 |
| All About Atlanta | 0 | - | 4.60 | 11,223 |
| Dallas City Trivia | 0 | - | 4.46 | 6,801 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 621,972 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,737 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,392 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,287 |
| North American Sports Cities | 0 | - | 4.83 | 171,339 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,026 |
| Cities in European History #1 | 0 | - | 4.63 | 133,504 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,254 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,630 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,834 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,064 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,481 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,299 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,005 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,414 |
| Name a Valid World City | 0 | - | 4.83 | 70,513 |
| Cities by Former Name | 0 | - | 4.84 | 91,226 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,194 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,423 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,136 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,443 |
| World Capitals by Map | 0 | - | 5.00 | 284,645 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,941 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,035 |
| World Capitals Mystery Route | 0 | - | 4.98 | 54,988 |
| Capitals Starting With H | 0 | - | 4.90 | 91,681 |
| Capitals Starting With K | 0 | - | 4.85 | 75,913 |
| Capitals Starting With L | 0 | - | 4.81 | 87,103 |
| Capitals Starting With M | 0 | - | 4.93 | 106,532 |
| Capitals Starting With P | 0 | - | 4.88 | 77,411 |
| Capitals Starting With R | 0 | - | 4.87 | 81,194 |
| Capitals Starting With S | 0 | - | 4.89 | 85,039 |
| Capitals Starting With T | 0 | - | 4.84 | 75,518 |
| Capitals Starting With W | 0 | - | 4.87 | 90,826 |
| Capitals Starting With A | 0 | - | 4.97 | 126,875 |
| Capitals Starting With B | 0 | - | 4.89 | 117,575 |
| Capitals Starting With D | 0 | - | 4.93 | 95,659 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,971 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,592 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,364 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,856 |
| Which City in Latin America? | 0 | - | 4.63 | 46,921 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,757 |
| Illinois Counties | 0 | - | 4.56 | 30,176 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,549 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,128 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,646 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,550 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,406 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,310 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,997 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,581 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,736 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,420 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,426 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,302 |
| North America Cities by Map | 0 | - | 4.41 | 47,693 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,502 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,824 |
| Random European City to Country | 0 | - | 4.69 | 116,919 |
| Random Asian City to Country | 0 | - | 4.56 | 44,430 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,050 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,307 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,518 |
