| New York City A-Z | 0 | - | 4.18 | 32,216 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,187 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,220 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,646 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,976 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,777 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,861 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,801 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,334 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,271 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,480 |
| Name a City - European Countries | 0 | - | 4.92 | 64,634 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,668 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,934 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,936 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,086 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,542 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,130 |
| Europe Capital to Country | 0 | - | 4.99 | 248,341 |
| Asia Capital to Country | 0 | - | 4.96 | 125,929 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,770 |
| European Capitals by Map | 0 | - | 4.99 | 136,958 |
| African Capitals by Map | 0 | - | 4.99 | 132,445 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,458 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,408 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,784 |
| European Coastal Capitals | 0 | - | 4.95 | 89,928 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,259 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,527 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,279 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,488 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,841 |
| Official Cities in the UK | 0 | - | 4.89 | 281,168 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,961 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,200 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,258 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,551 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,306 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,047 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,481 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,798 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,555 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,330 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,310 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,807 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,797 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,672 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,426 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,880 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,392 |
| Which City in California? | 0 | - | 4.56 | 31,935 |
| California A-Z | 0 | - | 4.49 | 28,728 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,411 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,473 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,924 |
| World Capitals Quiz | 0 | - | 5.00 | 5,039,973 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,551 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,747 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,241 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,674 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,421 |
| US States and State Capitals | 0 | - | 4.99 | 159,175 |
| Capitals of the Stans | 0 | - | 4.95 | 26,503 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,059 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,486 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,888 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,656 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,215 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,865 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,399 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,912 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,650 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,192 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,185 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,199 |
| Random European Capital to Country | 0 | - | 4.98 | 189,475 |
| Random European Country to Capital | 0 | - | 4.92 | 147,654 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,502 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,581 |
| Random African Capital to Country | 0 | - | 4.97 | 99,843 |
| Random African Country to Capital | 0 | - | 4.94 | 70,334 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,608 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,065 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,992 |
| Hong Kong A-Z | 0 | - | 4.55 | 14,714 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,926 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,664 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,609 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,628 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,042 |
| U.S. Cities A-Z by Clue #1 | 0 | - | 4.36 | 39,701 |
| Random U.S. City to State | 0 | - | 4.45 | 75,477 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,054 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,962 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,847 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,810 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,364 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,721 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,024 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,698 |
| Which City in Europe? | 0 | - | 4.83 | 106,871 |
| Which City in Texas? | 0 | - | 4.45 | 24,996 |
| Which City in Florida? | 0 | - | 4.61 | 10,942 |
| British Places A-Z | 0 | - | 4.29 | 79,672 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,589 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,074 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,478 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,631 |
| Find the City #1 | 0 | - | 4.97 | 42,277 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,270 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,864 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,828 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,987 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,805 |
| Countries by Capital City | 0 | - | 5.00 | 67,042 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,524 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,053 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,529 |
| Moved Capital Cities | 0 | - | 4.96 | 73,726 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,484 |
| Random Country to Capital | 0 | - | 4.98 | 913,103 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,582 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,937 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,675 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,556 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,540 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,084 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,817 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,200 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,735 |
| Which City in Canada? | 0 | - | 4.82 | 56,784 |
| Boroughs of New York City | 0 | - | 4.47 | 84,209 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,851 |
| Rome A-Z | 0 | - | 4.39 | 24,420 |
| Paris A-Z | 0 | - | 4.16 | 17,397 |
| Countries Closest to Spain A-Z | 0 | - | 4.99 | 107,794 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,111 |
| Australia A-Z | 0 | - | 4.54 | 49,825 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,661 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,251 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,555 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,984 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,921 |
| North American Sports Cities | 0 | - | 4.83 | 171,092 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,973 |
| European Cities A-Z by Clue #1 | 0 | - | 4.25 | 78,065 |
| Cities in European History #1 | 0 | - | 4.63 | 133,336 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,360 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,229 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,597 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,213 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,821 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,036 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,342 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,446 |
| ALL California Cities | 0 | - | 4.37 | 42,875 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,105 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,857 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,882 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,302 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,423 |
| Name a Valid World City | 0 | - | 4.83 | 70,321 |
| Cities by Former Name | 0 | - | 4.84 | 91,097 |
| Former Capitals | 0 | - | 4.88 | 71,210 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,788 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,333 |
| Capital Cities Chain | 0 | - | 4.84 | 82,055 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,029 |
| Coldest World Capitals | 0 | - | 4.95 | 133,122 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,199 |
| World Capitals by Map | 0 | - | 5.00 | 284,034 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,800 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,947 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,004 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,142 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,349 |
| Capitals Starting With H | 0 | - | 4.90 | 91,507 |
| Capitals Starting With K | 0 | - | 4.85 | 75,818 |
| Capitals Starting With L | 0 | - | 4.81 | 86,983 |
| Capitals Starting With M | 0 | - | 4.93 | 106,321 |
| Capitals Starting With P | 0 | - | 4.88 | 77,312 |
| Capitals Starting With R | 0 | - | 4.87 | 81,085 |
| Capitals Starting With S | 0 | - | 4.89 | 84,942 |
| Capitals Starting With T | 0 | - | 4.84 | 75,411 |
| Capitals Starting With W | 0 | - | 4.89 | 90,732 |
| Capitals Starting With A | 0 | - | 4.97 | 126,726 |
| Capitals Starting With B | 0 | - | 4.89 | 117,443 |
| Capitals Starting With D | 0 | - | 4.93 | 95,536 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,951 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,812 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,384 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,878 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,350 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,620 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,782 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,106 |
| Italy A-Z | 0 | - | 4.49 | 57,844 |
| China A-Z | 0 | - | 4.55 | 66,824 |
| Germany A-Z | 0 | - | 4.56 | 62,376 |
| Scotland A-Z | 0 | - | 4.73 | 41,092 |
