| New York City A-Z | 0 | - | 4.18 | 32,240 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,443 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,412 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,041 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,251 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,918 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,115 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,699 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,105 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,355 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,493 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,492 |
| Name a City - European Countries | 0 | - | 4.91 | 64,851 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,835 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,995 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,969 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,112 |
| Which City in California? | 0 | - | 4.56 | 31,971 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,107 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,464 |
| Europe Capital to Country | 0 | - | 4.99 | 248,935 |
| Asia Capital to Country | 0 | - | 4.96 | 126,177 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,157 |
| European Capitals by Map | 0 | - | 4.99 | 137,773 |
| African Capitals by Map | 0 | - | 4.99 | 132,846 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,733 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,609 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,988 |
| European Coastal Capitals | 0 | - | 4.95 | 90,122 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,358 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,260 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,817 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,591 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,094 |
| Official Cities in the UK | 0 | - | 4.89 | 282,167 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,748 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,081 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,351 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,315 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,679 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,447 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,242 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,265 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,990 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,703 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,613 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,520 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,929 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,898 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,830 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,998 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,613 |
| Which City in Texas? | 0 | - | 4.45 | 25,033 |
| Which City in Florida? | 0 | - | 4.61 | 10,955 |
| California A-Z | 0 | - | 4.49 | 28,746 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,365 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,649 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,164 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,102 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,054 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,740 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,136 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,652 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,948 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,624 |
| US States and State Capitals | 0 | - | 4.99 | 160,253 |
| Capitals of the Stans | 0 | - | 4.95 | 26,604 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,149 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,516 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,127 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,763 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,297 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,943 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,426 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,988 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,922 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,241 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,317 |
| Random European Capital to Country | 0 | - | 4.98 | 189,841 |
| Random European Country to Capital | 0 | - | 4.92 | 150,942 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,722 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,826 |
| Random African Capital to Country | 0 | - | 4.97 | 100,050 |
| Random African Country to Capital | 0 | - | 4.94 | 70,605 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,648 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,127 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,372 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,746 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,967 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,766 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,818 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,026 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,900 |
| Random U.S. City to State | 0 | - | 4.45 | 75,732 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,110 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,751 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,912 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,850 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,500 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,804 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,221 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,732 |
| Which City in Europe? | 0 | - | 4.83 | 107,008 |
| Chicago A-Z | 0 | - | 4.25 | 15,485 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,650 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,472 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,502 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,678 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,612 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,059 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,067 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,327 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,184 |
| Countries by Capital City | 0 | - | 5.00 | 67,489 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,753 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,257 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,706 |
| Moved Capital Cities | 0 | - | 4.96 | 73,891 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,349 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,145 |
| Random Country to Capital | 0 | - | 4.98 | 915,088 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,717 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,969 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,711 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,599 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,562 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,123 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,841 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,224 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,906 |
| Which City in Canada? | 0 | - | 4.82 | 56,861 |
| Boroughs of New York City | 0 | - | 4.47 | 84,333 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,931 |
| Rome A-Z | 0 | - | 4.39 | 24,440 |
| Paris A-Z | 0 | - | 4.16 | 17,419 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,797 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 107,952 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,354 |
| Australia A-Z | 0 | - | 4.54 | 49,879 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,428 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,316 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,054 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,979 |
| North American Sports Cities | 0 | - | 4.83 | 171,390 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,038 |
| Cities in European History #1 | 0 | - | 4.63 | 133,553 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,438 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,263 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,645 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,317 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,841 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,072 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,545 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,950 |
| ALL California Cities | 0 | - | 4.37 | 42,936 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,325 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,112 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,045 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,464 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,546 |
| Name a Valid World City | 0 | - | 4.83 | 70,619 |
| Cities by Former Name | 0 | - | 4.84 | 91,272 |
| Former Capitals | 0 | - | 4.88 | 71,284 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,216 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,449 |
| Capital Cities Chain | 0 | - | 4.84 | 82,263 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,173 |
| Coldest World Capitals | 0 | - | 4.95 | 133,217 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,517 |
| World Capitals by Map | 0 | - | 5.00 | 284,820 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,982 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,142 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,392 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,903 |
| Capitals Starting With H | 0 | - | 4.90 | 91,726 |
| Capitals Starting With K | 0 | - | 4.85 | 75,942 |
| Capitals Starting With L | 0 | - | 4.81 | 87,150 |
| Capitals Starting With M | 0 | - | 4.93 | 106,590 |
| Capitals Starting With P | 0 | - | 4.88 | 77,452 |
| Capitals Starting With R | 0 | - | 4.87 | 81,233 |
| Capitals Starting With S | 0 | - | 4.89 | 85,079 |
| Capitals Starting With T | 0 | - | 4.84 | 75,563 |
| Capitals Starting With W | 0 | - | 4.87 | 90,855 |
| Capitals Starting With A | 0 | - | 4.97 | 126,942 |
| Capitals Starting With B | 0 | - | 4.89 | 117,627 |
| Capitals Starting With D | 0 | - | 4.93 | 95,705 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,984 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,856 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,430 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,906 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,369 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,662 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,306 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,529 |
| India A-Z | 0 | - | 4.42 | 34,026 |
| Italy A-Z | 0 | - | 4.49 | 58,023 |
| China A-Z | 0 | - | 4.55 | 66,974 |
| Germany A-Z | 0 | - | 4.56 | 62,470 |
| Scotland A-Z | 0 | - | 4.73 | 41,150 |
