| New York City A-Z | 0 | - | 4.18 | 32,178 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,764 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,975 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,161 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,630 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,624 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,562 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,624 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,081 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,161 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,850 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,459 |
| Name a City - European Countries | 0 | - | 4.92 | 64,297 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,455 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,839 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,900 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,050 |
| Which City in California? | 0 | - | 4.56 | 31,869 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,275 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,690 |
| Europe Capital to Country | 0 | - | 4.99 | 247,361 |
| Asia Capital to Country | 0 | - | 4.96 | 125,661 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,338 |
| European Capitals by Map | 0 | - | 4.99 | 136,033 |
| African Capitals by Map | 0 | - | 4.99 | 132,089 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,003 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,094 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,546 |
| European Coastal Capitals | 0 | - | 4.95 | 89,677 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,157 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,489 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,617 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,389 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,252 |
| Official Cities in the UK | 0 | - | 4.89 | 280,272 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,638 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,619 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,061 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,195 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,445 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,140 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,948 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,625 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,574 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,354 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,042 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,096 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,658 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,664 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,391 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,723 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,121 |
| Which City in Texas? | 0 | - | 4.45 | 24,963 |
| Which City in Florida? | 0 | - | 4.61 | 10,921 |
| California A-Z | 0 | - | 4.49 | 28,700 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 77,157 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,119 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,742 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,735 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,466 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,326 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,401 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,730 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,433 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,125 |
| US States and State Capitals | 0 | - | 4.99 | 158,203 |
| Capitals of the Stans | 0 | - | 4.95 | 26,378 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,680 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,452 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,630 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,557 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,159 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,775 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,381 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,569,656 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,347 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,135 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,967 |
| Random European Capital to Country | 0 | - | 4.98 | 189,095 |
| Random European Country to Capital | 0 | - | 4.92 | 147,365 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,342 |
| Random African Capital to Country | 0 | - | 4.97 | 99,684 |
| Random African Country to Capital | 0 | - | 4.94 | 70,164 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,574 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,014 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,682 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,697 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,869 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,580 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,368 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,296 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,131 |
| Random U.S. City to State | 0 | - | 4.45 | 75,240 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,984 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,092 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,781 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,778 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,220 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,587 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,761 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,638 |
| Which City in Europe? | 0 | - | 4.83 | 106,569 |
| Chicago A-Z | 0 | - | 4.25 | 15,449 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,527 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,644 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,451 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,586 |
| Find the City #1 | 0 | - | 4.97 | 42,052 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,849 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,590 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,545 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,506 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,276 |
| Countries by Capital City | 0 | - | 5.00 | 66,513 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,249 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,836 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,360 |
| Moved Capital Cities | 0 | - | 4.96 | 73,537 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,863 |
| Random Country to Capital | 0 | - | 4.98 | 910,829 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,477 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,887 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,636 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,495 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,521 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,044 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,798 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,283 |
| Which City in Canada? | 0 | - | 4.82 | 56,626 |
| Boroughs of New York City | 0 | - | 4.47 | 84,068 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,479 |
| Rome A-Z | 0 | - | 4.39 | 24,387 |
| Paris A-Z | 0 | - | 4.16 | 17,363 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,342 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,628 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,815 |
| Australia A-Z | 0 | - | 4.54 | 49,769 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,578 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,050 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,812 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,925 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,862 |
| North American Sports Cities | 0 | - | 4.83 | 170,798 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,894 |
| Cities in European History #1 | 0 | - | 4.63 | 133,007 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,280 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,182 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,548 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,113 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,794 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,004 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,119 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,947 |
| ALL California Cities | 0 | - | 4.36 | 42,804 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 38,274 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,557 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,659 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,138 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,285 |
| Name a Valid World City | 0 | - | 4.83 | 70,032 |
| Cities by Former Name | 0 | - | 4.84 | 90,896 |
| Former Capitals | 0 | - | 4.88 | 71,103 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,655 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,204 |
| Capital Cities Chain | 0 | - | 4.84 | 81,843 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,767 |
| Coldest World Capitals | 0 | - | 4.95 | 133,005 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,825 |
| World Capitals by Map | 0 | - | 5.00 | 282,946 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,613 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,714 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,963 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,911 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 64,735 |
| Capitals Starting With H | 0 | - | 4.90 | 90,056 |
| Capitals Starting With K | 0 | - | 4.85 | 75,596 |
| Capitals Starting With L | 0 | - | 4.81 | 86,726 |
| Capitals Starting With M | 0 | - | 4.93 | 105,919 |
| Capitals Starting With P | 0 | - | 4.88 | 77,097 |
| Capitals Starting With R | 0 | - | 4.87 | 80,889 |
| Capitals Starting With S | 0 | - | 4.89 | 84,713 |
| Capitals Starting With T | 0 | - | 4.84 | 75,216 |
| Capitals Starting With W | 0 | - | 4.89 | 90,533 |
| Capitals Starting With A | 0 | - | 4.97 | 126,414 |
| Capitals Starting With B | 0 | - | 4.89 | 117,177 |
| Capitals Starting With D | 0 | - | 4.93 | 95,266 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,899 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,778 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,313 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,836 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,336 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,546 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,312 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,838 |
| India A-Z | 0 | - | 4.42 | 33,907 |
| Italy A-Z | 0 | - | 4.49 | 57,647 |
| China A-Z | 0 | - | 4.55 | 66,689 |
| Germany A-Z | 0 | - | 4.56 | 62,287 |
| Scotland A-Z | 0 | - | 4.73 | 41,018 |
