| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,930 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,187 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,244 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,382 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,380 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,366 |
| Name a City - European Countries | 0 | - | 4.91 | 64,775 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,177 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,623 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,801 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,979 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,013 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,363 |
| Europe Capital to Country | 0 | - | 4.99 | 248,746 |
| Asia Capital to Country | 0 | - | 4.96 | 126,111 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,029 |
| European Capitals by Map | 0 | - | 4.99 | 137,534 |
| African Capitals by Map | 0 | - | 4.99 | 132,759 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,675 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,553 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,922 |
| European Coastal Capitals | 0 | - | 4.95 | 90,057 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,333 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,064 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,651 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,561 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,032 |
| Official Cities in the UK | 0 | - | 4.89 | 281,744 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,299 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,895 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,039 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,931 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,658 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,532 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,455 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,898 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,772 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,963 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,568 |
| US States and State Capitals | 0 | - | 4.99 | 160,031 |
| Which City in California? | 0 | - | 4.56 | 31,958 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,507 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,566 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,953 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,050 |
| World Capitals Quiz | 0 | - | 5.00 | 5,047,508 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,690 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,543 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,876 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,567 |
| Capitals of the Stans | 0 | - | 4.95 | 26,585 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,120 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,078 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,733 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,927 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,765 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,841 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,332 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,266 |
| Random European Capital to Country | 0 | - | 4.98 | 189,708 |
| Random European Country to Capital | 0 | - | 4.92 | 147,810 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,616 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,744 |
| Random African Capital to Country | 0 | - | 4.97 | 99,990 |
| Random African Country to Capital | 0 | - | 4.94 | 70,457 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,225 |
| New York City A-Z | 0 | - | 4.18 | 32,233 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,893 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,741 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,928 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,703 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,052 |
| Random U.S. City to State | 0 | - | 4.45 | 75,622 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,092 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,408 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,531 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,890 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,424 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,781 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,172 |
| Which City in New York State? | 0 | - | 4.60 | 15,906 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,286 |
| Which City in Europe? | 0 | - | 4.83 | 106,966 |
| Which City in Texas? | 0 | - | 4.45 | 25,026 |
| Which City in Florida? | 0 | - | 4.61 | 10,952 |
| U.S. Senators by State | 0 | - | 4.45 | 39,834 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,729 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,384 |
| North American Sports Cities | 0 | - | 4.83 | 171,322 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,023 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,630 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,380 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,500 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,290 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,995 |
| Name a Valid World City | 0 | - | 4.83 | 70,491 |
| Find the City #1 | 0 | - | 4.97 | 42,450 |
| Cities by Former Name | 0 | - | 4.84 | 91,217 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,191 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,504 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,002 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,413 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,994 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,223 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,071 |
| Countries by Capital City | 0 | - | 5.00 | 67,364 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,671 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,200 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,132 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,639 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,422 |
| Moved Capital Cities | 0 | - | 4.96 | 73,840 |
| World Capitals by Map | 0 | - | 5.00 | 284,602 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,931 |
| Random Capital to Country | 0 | - | 4.99 | 2,583,378 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,997 |
| Random Country to Capital | 0 | - | 4.98 | 914,525 |
| Capitals Starting With H | 0 | - | 4.90 | 91,669 |
| Capitals Starting With K | 0 | - | 4.85 | 75,904 |
| Capitals Starting With L | 0 | - | 4.81 | 87,096 |
| Capitals Starting With M | 0 | - | 4.93 | 106,519 |
| Capitals Starting With P | 0 | - | 4.88 | 77,405 |
| Capitals Starting With R | 0 | - | 4.87 | 81,182 |
| Capitals Starting With S | 0 | - | 4.89 | 85,031 |
| Capitals Starting With T | 0 | - | 4.84 | 75,507 |
| Capitals Starting With W | 0 | - | 4.89 | 90,821 |
| Capitals Starting With A | 0 | - | 4.97 | 126,862 |
| Capitals Starting With B | 0 | - | 4.89 | 117,563 |
| Capitals Starting With D | 0 | - | 4.93 | 95,650 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,687 |
| 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 | 93,850 |
| Which City in Canada? | 0 | - | 4.82 | 56,837 |
| Boroughs of New York City | 0 | - | 4.47 | 84,298 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,912 |
| Random American Countries on a Map | 0 | - | 4.96 | 98,966 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,098 |
| Cities in European History #1 | 0 | - | 4.63 | 133,493 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,417 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,251 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,625 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,294 |
| North America Cities by Map | 0 | - | 4.41 | 47,689 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,834 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,060 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,496 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,799 |
| ALL California Cities | 0 | - | 4.37 | 42,922 |
| 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 | 130,038 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,408 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,514 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,422 |
| Former Capitals | 0 | - | 4.88 | 71,261 |
| Capital Cities Chain | 0 | - | 4.84 | 82,195 |
| Coldest World Capitals | 0 | - | 4.95 | 133,192 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,082 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,032 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,294 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,715 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,639 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,108 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,843 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,420 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,897 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,487 |
| Chicago A-Z | 0 | - | 4.25 | 15,481 |
| Name a Valid U.S. President #1 | 0 | - | 4.89 | 190,596 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,631 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,529 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,394 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,300 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,992 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,580 |
| 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 | 35,301 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,632 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,278 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,297 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,912 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,560 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,605 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,665 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,639 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,529 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,242 |
| Every City in Colorado on a Map | 0 | - | 4.48 | 13,089 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,708 |
| Every City in Alabama on a Map | 0 | - | 4.71 | 8,397 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,366 |
| Capital Cities by Cartoon Riddles | 0 | - | 4.98 | 86,922 |
