| New York City A-Z | 0 | - | 4.18 | 32,332 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,327 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,002 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,248 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,060 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,304 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,693,188 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,983 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,938 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,605 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,505 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,526 |
| Name a City - European Countries | 0 | - | 4.90 | 65,644 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,324 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,191 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,078 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,226 |
| Which City in California? | 0 | - | 4.56 | 32,087 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,990 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,418 |
| Europe Capital to Country | 0 | - | 4.99 | 250,935 |
| Asia Capital to Country | 0 | - | 4.96 | 126,889 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,235 |
| European Capitals by Map | 0 | - | 4.99 | 140,038 |
| African Capitals by Map | 0 | - | 4.99 | 134,203 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,670 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,314 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,658 |
| European Coastal Capitals | 0 | - | 4.95 | 90,845 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,683 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,934 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,633 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,935 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,937 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 35,172 |
| Official Cities in the UK | 0 | - | 4.89 | 284,602 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,803 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,984 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,490 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,191 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,879 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,707 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,641 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,736 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,223 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,548 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,044 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,316 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,259 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,563 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,429 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,252 |
| Which City in Texas? | 0 | - | 4.45 | 25,117 |
| Which City in Florida? | 0 | - | 4.61 | 11,002 |
| California A-Z | 0 | - | 4.49 | 28,807 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,417 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,430 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,700 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,190 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,278 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,439 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,792 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,785 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,253 |
| US States and State Capitals | 0 | - | 4.99 | 163,603 |
| Capitals of the Stans | 0 | - | 4.95 | 26,927 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,435 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,628 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,854 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,030 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,500 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,171 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,470 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,319 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,800 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,398 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,810 |
| Random European Capital to Country | 0 | - | 4.98 | 191,499 |
| Random European Country to Capital | 0 | - | 4.93 | 165,419 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,621 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,021 |
| Random African Capital to Country | 0 | - | 4.97 | 100,929 |
| Random African Country to Capital | 0 | - | 4.94 | 71,393 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,773 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,276 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,585 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,805 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,070 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,993 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,507 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,864 |
| Random U.S. City to State | 0 | - | 4.45 | 76,560 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,336 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,227 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,050 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,947 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,943 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,091 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,963 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,890 |
| Which City in Europe? | 0 | - | 4.83 | 107,589 |
| Chicago A-Z | 0 | - | 4.25 | 15,524 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,840 |
| European Cities A-Z by Clue #1 | 0 | - | 4.26 | 79,114 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,828 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,606 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,584 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,806 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,573 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,574 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,711 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,528 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,373 |
| Countries by Capital City | 0 | - | 5.00 | 68,677 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,400 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,838 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,434 |
| Moved Capital Cities | 0 | - | 4.96 | 74,368 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,076 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,653 |
| Random Country to Capital | 0 | - | 4.98 | 923,072 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,151 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,077 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,807 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,723 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,630 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,242 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,904 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,282 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,433 |
| Which City in Canada? | 0 | - | 4.83 | 57,152 |
| Boroughs of New York City | 0 | - | 4.47 | 84,723 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,051 |
| Rome A-Z | 0 | - | 4.40 | 24,501 |
| Paris A-Z | 0 | - | 4.16 | 17,461 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,358 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,436 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,140 |
| Australia A-Z | 0 | - | 4.54 | 50,031 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,973 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,091 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,552 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,300 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,138 |
| North American Sports Cities | 0 | - | 4.83 | 172,670 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,411 |
| Cities in European History #1 | 0 | - | 4.63 | 134,229 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,631 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,387 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,802 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,583 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,907 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,159 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,236 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,546 |
| ALL California Cities | 0 | - | 4.37 | 43,114 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,467 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,118 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,588 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,048 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,967 |
| Name a Valid World City | 0 | - | 4.84 | 71,498 |
| Cities by Former Name | 0 | - | 4.83 | 91,742 |
| Former Capitals | 0 | - | 4.88 | 71,533 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,496 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,769 |
| Capital Cities Chain | 0 | - | 4.84 | 82,979 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,581 |
| Coldest World Capitals | 0 | - | 4.95 | 133,670 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,423 |
| World Capitals by Map | 0 | - | 5.00 | 287,555 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,489 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,784 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,133 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,924 |
| Capitals Starting With H | 0 | - | 4.91 | 92,743 |
| Capitals Starting With K | 0 | - | 4.88 | 83,795 |
| Capitals Starting With L | 0 | - | 4.81 | 88,265 |
| Capitals Starting With M | 0 | - | 4.93 | 108,096 |
| Capitals Starting With P | 0 | - | 4.88 | 78,367 |
| Capitals Starting With R | 0 | - | 4.87 | 81,992 |
| Capitals Starting With S | 0 | - | 4.90 | 85,973 |
| Capitals Starting With T | 0 | - | 4.84 | 76,325 |
| Capitals Starting With W | 0 | - | 4.87 | 91,407 |
| Capitals Starting With A | 0 | - | 4.97 | 128,315 |
| Capitals Starting With B | 0 | - | 4.89 | 118,735 |
| Capitals Starting With D | 0 | - | 4.93 | 96,647 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,119 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,991 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,593 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,001 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,416 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,810 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,635 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,550 |
| India A-Z | 0 | - | 4.42 | 34,183 |
| Italy A-Z | 0 | - | 4.49 | 58,454 |
| China A-Z | 0 | - | 4.55 | 67,379 |
| Germany A-Z | 0 | - | 4.56 | 62,702 |
| Scotland A-Z | 0 | - | 4.73 | 41,339 |
