| New York City A-Z | 0 | - | 4.18 | 32,226 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,310 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,315 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,810 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,110 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,841 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,221 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,559 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,100 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,310 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,320 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,485 |
| Name a City - European Countries | 0 | - | 4.91 | 64,718 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,750 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,958 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,950 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,094 |
| Which City in California? | 0 | - | 4.56 | 31,948 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,926 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,263 |
| Europe Capital to Country | 0 | - | 4.99 | 248,576 |
| Asia Capital to Country | 0 | - | 4.96 | 126,043 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,916 |
| European Capitals by Map | 0 | - | 4.99 | 137,325 |
| African Capitals by Map | 0 | - | 4.99 | 132,612 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,603 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,485 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,871 |
| European Coastal Capitals | 0 | - | 4.95 | 90,008 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,301 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,807 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,531 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,526 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,949 |
| Official Cities in the UK | 0 | - | 4.89 | 281,530 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,727 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,013 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,254 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,279 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,600 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,361 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,615 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,829 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,886 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,611 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,437 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,402 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,856 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,852 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,733 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,929 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,503 |
| Which City in Texas? | 0 | - | 4.45 | 25,015 |
| Which City in Florida? | 0 | - | 4.61 | 10,951 |
| California A-Z | 0 | - | 4.49 | 28,735 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,207 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,501 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,770 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,004 |
| World Capitals Quiz | 0 | - | 5.00 | 5,044,593 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,633 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,919 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,420 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,811 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,488 |
| US States and State Capitals | 0 | - | 4.99 | 159,669 |
| Capitals of the Stans | 0 | - | 4.95 | 26,556 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,095 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,500 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,014 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,701 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,261 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,906 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,415 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,575,502 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,787 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,213 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,233 |
| Random European Capital to Country | 0 | - | 4.98 | 189,625 |
| Random European Country to Capital | 0 | - | 4.92 | 147,735 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,574 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,683 |
| Random African Capital to Country | 0 | - | 4.97 | 99,917 |
| Random African Country to Capital | 0 | - | 4.94 | 70,397 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,632 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,090 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,152 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,727 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,940 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,708 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,689 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,773 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,439 |
| Random U.S. City to State | 0 | - | 4.45 | 75,534 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,080 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,318 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,871 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,829 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,406 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,754 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,123 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,712 |
| Which City in Europe? | 0 | - | 4.83 | 106,929 |
| Chicago A-Z | 0 | - | 4.25 | 15,476 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,610 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,270 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,487 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,658 |
| Find the City #1 | 0 | - | 4.97 | 42,395 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,404 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,956 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,921 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,120 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,975 |
| Countries by Capital City | 0 | - | 5.00 | 67,231 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,602 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,137 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,593 |
| Moved Capital Cities | 0 | - | 4.96 | 73,795 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,286 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,784 |
| Random Country to Capital | 0 | - | 4.98 | 913,902 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,659 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,949 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,695 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,574 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,549 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,105 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,827 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,801 |
| Which City in Canada? | 0 | - | 4.82 | 56,816 |
| Boroughs of New York City | 0 | - | 4.47 | 84,261 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,891 |
| Rome A-Z | 0 | - | 4.39 | 24,433 |
| Paris A-Z | 0 | - | 4.16 | 17,407 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,705 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,866 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,224 |
| Australia A-Z | 0 | - | 4.54 | 49,847 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,700 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,346 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,917 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 36,025 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,953 |
| North American Sports Cities | 0 | - | 4.83 | 171,236 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,009 |
| Cities in European History #1 | 0 | - | 4.63 | 133,429 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,405 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,243 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,617 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,258 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,830 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,048 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,439 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,673 |
| ALL California Cities | 0 | - | 4.37 | 42,910 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,247 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,968 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,957 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,370 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,486 |
| Name a Valid World City | 0 | - | 4.83 | 70,423 |
| Cities by Former Name | 0 | - | 4.84 | 91,174 |
| Former Capitals | 0 | - | 4.88 | 71,230 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,163 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,378 |
| Capital Cities Chain | 0 | - | 4.84 | 82,128 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,100 |
| Coldest World Capitals | 0 | - | 4.95 | 133,166 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,333 |
| World Capitals by Map | 0 | - | 5.00 | 284,400 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,879 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,031 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,236 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,574 |
| Capitals Starting With H | 0 | - | 4.90 | 91,618 |
| Capitals Starting With K | 0 | - | 4.85 | 75,869 |
| Capitals Starting With L | 0 | - | 4.81 | 87,049 |
| Capitals Starting With M | 0 | - | 4.93 | 106,429 |
| Capitals Starting With P | 0 | - | 4.88 | 77,368 |
| Capitals Starting With R | 0 | - | 4.87 | 81,139 |
| Capitals Starting With S | 0 | - | 4.89 | 84,996 |
| Capitals Starting With T | 0 | - | 4.84 | 75,464 |
| Capitals Starting With W | 0 | - | 4.89 | 90,783 |
| Capitals Starting With A | 0 | - | 4.97 | 126,806 |
| Capitals Starting With B | 0 | - | 4.89 | 117,522 |
| Capitals Starting With D | 0 | - | 4.93 | 95,603 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,963 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,830 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,393 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,888 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,358 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,635 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,032 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,296 |
| India A-Z | 0 | - | 4.42 | 33,988 |
| Italy A-Z | 0 | - | 4.49 | 57,922 |
| China A-Z | 0 | - | 4.55 | 66,893 |
| Germany A-Z | 0 | - | 4.56 | 62,416 |
| Scotland A-Z | 0 | - | 4.73 | 41,110 |
