| New York City A-Z | 0 | - | 4.18 | 32,222 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,272 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,285 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,744 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,063 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,826 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,772 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,324 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,899 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,302 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,295 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,484 |
| Name a City - European Countries | 0 | - | 4.92 | 64,702 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,727 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,946 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,949 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,093 |
| Which City in California? | 0 | - | 4.56 | 31,944 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,879 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,228 |
| Europe Capital to Country | 0 | - | 4.99 | 248,517 |
| Asia Capital to Country | 0 | - | 4.96 | 126,006 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,884 |
| European Capitals by Map | 0 | - | 4.99 | 137,224 |
| African Capitals by Map | 0 | - | 4.99 | 132,561 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,558 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,467 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,851 |
| European Coastal Capitals | 0 | - | 4.95 | 89,993 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,290 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,740 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,457 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,511 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,907 |
| Official Cities in the UK | 0 | - | 4.89 | 281,450 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,722 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,997 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,244 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,271 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,588 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,341 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,488 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,766 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,866 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,598 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,412 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,383 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,845 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,836 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,712 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,913 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,463 |
| Which City in Texas? | 0 | - | 4.45 | 25,008 |
| Which City in Florida? | 0 | - | 4.61 | 10,949 |
| California A-Z | 0 | - | 4.49 | 28,733 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,165 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,478 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,687 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,986 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,286 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,606 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,876 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,364 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,762 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,467 |
| US States and State Capitals | 0 | - | 4.99 | 159,563 |
| Capitals of the Stans | 0 | - | 4.95 | 26,544 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,086 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,497 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,982 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,690 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,245 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,894 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,414 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,109 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,753 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,206 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,222 |
| Random European Capital to Country | 0 | - | 4.98 | 189,569 |
| Random European Country to Capital | 0 | - | 4.92 | 147,723 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,555 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,652 |
| Random African Capital to Country | 0 | - | 4.97 | 99,898 |
| Random African Country to Capital | 0 | - | 4.94 | 70,386 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,626 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,084 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,104 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,725 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,938 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,695 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,668 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,732 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,314 |
| Random U.S. City to State | 0 | - | 4.45 | 75,523 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,068 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,221 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,863 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,822 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,404 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,744 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,108 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,711 |
| Which City in Europe? | 0 | - | 4.83 | 106,916 |
| Chicago A-Z | 0 | - | 4.25 | 15,472 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,607 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,213 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,483 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,647 |
| Find the City #1 | 0 | - | 4.97 | 42,363 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,366 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,940 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,902 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,086 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,933 |
| Countries by Capital City | 0 | - | 5.00 | 67,176 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,584 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,118 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,576 |
| Moved Capital Cities | 0 | - | 4.96 | 73,783 |
| Random Capital to Country | 0 | - | 4.99 | 2,581,864 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,593 |
| Random Country to Capital | 0 | - | 4.98 | 913,673 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,636 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,944 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,685 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,565 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,545 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,095 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,824 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,792 |
| Which City in Canada? | 0 | - | 4.82 | 56,805 |
| Boroughs of New York City | 0 | - | 4.47 | 84,250 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,880 |
| Rome A-Z | 0 | - | 4.39 | 24,428 |
| Paris A-Z | 0 | - | 4.16 | 17,401 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,679 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,852 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,201 |
| Australia A-Z | 0 | - | 4.54 | 49,839 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,688 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,318 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,833 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,004 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,937 |
| North American Sports Cities | 0 | - | 4.83 | 171,198 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,000 |
| Cities in European History #1 | 0 | - | 4.63 | 133,409 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,392 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,238 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,608 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,250 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,827 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,046 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,422 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,610 |
| ALL California Cities | 0 | - | 4.37 | 42,900 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,220 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,938 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,936 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,348 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,479 |
| Name a Valid World City | 0 | - | 4.83 | 70,397 |
| Cities by Former Name | 0 | - | 4.84 | 91,159 |
| Former Capitals | 0 | - | 4.88 | 71,224 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,155 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,367 |
| Capital Cities Chain | 0 | - | 4.84 | 82,103 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,078 |
| Coldest World Capitals | 0 | - | 4.95 | 133,156 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,293 |
| World Capitals by Map | 0 | - | 5.00 | 284,304 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,859 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,014 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,206 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,508 |
| Capitals Starting With H | 0 | - | 4.90 | 91,585 |
| Capitals Starting With K | 0 | - | 4.85 | 75,853 |
| Capitals Starting With L | 0 | - | 4.81 | 87,032 |
| Capitals Starting With M | 0 | - | 4.93 | 106,403 |
| Capitals Starting With P | 0 | - | 4.88 | 77,355 |
| Capitals Starting With R | 0 | - | 4.87 | 81,129 |
| Capitals Starting With S | 0 | - | 4.89 | 84,980 |
| Capitals Starting With T | 0 | - | 4.84 | 75,450 |
| Capitals Starting With W | 0 | - | 4.89 | 90,768 |
| Capitals Starting With A | 0 | - | 4.97 | 126,784 |
| Capitals Starting With B | 0 | - | 4.89 | 117,503 |
| Capitals Starting With D | 0 | - | 4.93 | 95,586 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,957 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,824 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,392 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,884 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,355 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,631 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,980 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,248 |
| India A-Z | 0 | - | 4.42 | 33,980 |
| Italy A-Z | 0 | - | 4.49 | 57,910 |
| China A-Z | 0 | - | 4.55 | 66,873 |
| Germany A-Z | 0 | - | 4.56 | 62,408 |
| Scotland A-Z | 0 | - | 4.73 | 41,105 |
