| New York City A-Z | 0 | - | 4.18 | 32,293 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,968 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,767 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,759 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,738 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,131 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,922 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,234 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,442 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,499 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,073 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,509 |
| Name a City - European Countries | 0 | - | 4.90 | 65,334 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,116 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,122 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,037 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,177 |
| Which City in California? | 0 | - | 4.56 | 32,023 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,600 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,035 |
| Europe Capital to Country | 0 | - | 4.99 | 249,955 |
| Asia Capital to Country | 0 | - | 4.96 | 126,618 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,803 |
| European Capitals by Map | 0 | - | 4.99 | 139,024 |
| African Capitals by Map | 0 | - | 4.99 | 133,708 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,291 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,024 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,376 |
| European Coastal Capitals | 0 | - | 4.95 | 90,549 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,567 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,772 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,856 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,810 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,093 |
| Official Cities in the UK | 0 | - | 4.89 | 283,551 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,308 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,744 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,419 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,990 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,711 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,152 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,590 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,425 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,993 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,200 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,803 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,155 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,141 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,315 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,263 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,976 |
| Which City in Texas? | 0 | - | 4.45 | 25,085 |
| Which City in Florida? | 0 | - | 4.61 | 10,987 |
| California A-Z | 0 | - | 4.49 | 28,788 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,110 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,508 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,463 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,811 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,063 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,963 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,313 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,461 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,018 |
| US States and State Capitals | 0 | - | 4.99 | 162,095 |
| Capitals of the Stans | 0 | - | 4.95 | 26,828 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,316 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,578 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,550 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,914 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,424 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,074 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,448 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,406 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,410 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,334 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,633 |
| Random European Capital to Country | 0 | - | 4.98 | 190,814 |
| Random European Country to Capital | 0 | - | 4.93 | 165,037 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,387 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,719 |
| Random African Capital to Country | 0 | - | 4.97 | 100,673 |
| Random African Country to Capital | 0 | - | 4.94 | 71,177 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,733 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,220 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,064 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,775 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,076 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,939 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,157 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,557 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,399 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,817 |
| Random U.S. City to State | 0 | - | 4.45 | 76,267 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,259 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,230 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,989 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,901 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,726 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,968 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,655 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,819 |
| Which City in Europe? | 0 | - | 4.83 | 107,361 |
| Chicago A-Z | 0 | - | 4.25 | 15,507 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,833 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,750 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,056 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,554 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,755 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,180 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,356 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,440 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,162 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,897 |
| Countries by Capital City | 0 | - | 5.00 | 68,188 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,126 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,605 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,137 |
| Moved Capital Cities | 0 | - | 4.96 | 74,161 |
| Random Capital to Country | 0 | - | 4.99 | 2,590,393 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,537 |
| Random Country to Capital | 0 | - | 4.98 | 919,929 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,954 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,028 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,768 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,680 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,604 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,190 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,877 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,260 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,219 |
| Which City in Canada? | 0 | - | 4.83 | 57,060 |
| Boroughs of New York City | 0 | - | 4.47 | 84,573 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,013 |
| Rome A-Z | 0 | - | 4.39 | 24,478 |
| Paris A-Z | 0 | - | 4.16 | 17,446 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,114 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,224 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,817 |
| Australia A-Z | 0 | - | 4.54 | 49,966 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,871 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,865 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,640 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,190 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,065 |
| North American Sports Cities | 0 | - | 4.83 | 172,328 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,303 |
| Cities in European History #1 | 0 | - | 4.63 | 133,944 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,544 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,337 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,738 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,472 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,882 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,117 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,921 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,930 |
| ALL California Cities | 0 | - | 4.37 | 43,039 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,415 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,838 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,354 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,779 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,772 |
| Name a Valid World City | 0 | - | 4.83 | 71,141 |
| Cities by Former Name | 0 | - | 4.83 | 91,537 |
| Former Capitals | 0 | - | 4.88 | 71,436 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,374 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,635 |
| Capital Cities Chain | 0 | - | 4.83 | 82,695 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,422 |
| Coldest World Capitals | 0 | - | 4.95 | 133,534 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,127 |
| World Capitals by Map | 0 | - | 5.00 | 286,189 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,260 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,520 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,849 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,008 |
| Capitals Starting With H | 0 | - | 4.91 | 92,498 |
| Capitals Starting With K | 0 | - | 4.88 | 83,362 |
| Capitals Starting With L | 0 | - | 4.81 | 88,022 |
| Capitals Starting With M | 0 | - | 4.93 | 107,705 |
| Capitals Starting With P | 0 | - | 4.88 | 78,143 |
| Capitals Starting With R | 0 | - | 4.87 | 81,779 |
| Capitals Starting With S | 0 | - | 4.90 | 85,728 |
| Capitals Starting With T | 0 | - | 4.85 | 76,124 |
| Capitals Starting With W | 0 | - | 4.87 | 91,270 |
| Capitals Starting With A | 0 | - | 4.97 | 127,829 |
| Capitals Starting With B | 0 | - | 4.89 | 118,409 |
| Capitals Starting With D | 0 | - | 4.93 | 96,373 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,068 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,919 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,538 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,966 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,394 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,753 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,093 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,124 |
| India A-Z | 0 | - | 4.42 | 34,121 |
| Italy A-Z | 0 | - | 4.49 | 58,272 |
| China A-Z | 0 | - | 4.55 | 67,214 |
| Germany A-Z | 0 | - | 4.56 | 62,589 |
| Scotland A-Z | 0 | - | 4.73 | 41,269 |
