| Random State Capital to U.S. State | 0 | - | 4.83 | 88,366 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,613 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,948 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,197 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,388 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,679,482 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,155 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,190 |
| Name a City - European Countries | 0 | - | 4.92 | 64,603 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,572 |
| Asia Capitals Quiz | 0 | - | 4.98 | 687,120 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,350 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,696 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,998 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,651 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,773 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,926 |
| Which City in Europe? | 0 | - | 4.83 | 106,849 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,509 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,083 |
| Random U.S. City to State | 0 | - | 4.45 | 75,453 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,253 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,046 |
| Europe Capital to Country | 0 | - | 4.99 | 248,275 |
| Asia Capital to Country | 0 | - | 4.96 | 125,892 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,727 |
| European Capitals by Map | 0 | - | 4.99 | 136,872 |
| African Capitals by Map | 0 | - | 4.99 | 132,394 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,892 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,411 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,373 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,762 |
| European Coastal Capitals | 0 | - | 4.95 | 89,909 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,247 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,460 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,195 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,476 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,706 |
| Which City in Canada? | 0 | - | 4.82 | 56,771 |
| Which City in California? | 0 | - | 4.56 | 31,930 |
| Official Cities in the UK | 0 | - | 4.89 | 281,071 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,398 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,779 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,538 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,307 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,293 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,786 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,651 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,864 |
| US States and State Capitals | 0 | - | 4.99 | 159,031 |
| Boroughs of New York City | 0 | - | 4.47 | 84,193 |
| Random U.S. States on a Map | 0 | - | 4.96 | 622,404 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,484 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,205 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,380 |
| ALL California Cities | 0 | - | 4.37 | 42,866 |
| Random European City to Country | 0 | - | 4.69 | 116,766 |
| Random Asian City to Country | 0 | - | 4.56 | 44,411 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,390 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,908 |
| World Capitals Quiz | 0 | - | 5.00 | 5,038,838 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,530 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,622 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,256 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,170 |
| Random European Capital to Country | 0 | - | 4.98 | 189,423 |
| Random European Country to Capital | 0 | - | 4.92 | 147,621 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,489 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,566 |
| Random African Capital to Country | 0 | - | 4.97 | 99,805 |
| Random African Country to Capital | 0 | - | 4.94 | 70,318 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,760 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,379 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,980 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,754 |
| Capitals of the Stans | 0 | - | 4.95 | 26,497 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,575 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,590 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,943 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,835 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,052 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,854 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,945 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,650 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,559 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,627 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,858 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,478 |
| Every City in Arizona on a Map | 0 | - | 4.48 | 9,214 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,292 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,573,505 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,838 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,835 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,313 |
| European Cities by Clue | 0 | - | 4.70 | 88,853 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,929 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,080 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,631 |
| Which City in Texas? | 0 | - | 4.45 | 24,995 |
| Which City in Florida? | 0 | - | 4.61 | 10,940 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,648 |
| Chicago A-Z | 0 | - | 4.25 | 15,463 |
| Miami City Trivia | 0 | - | 4.60 | 11,197 |
| Dallas City Trivia | 0 | - | 4.46 | 6,788 |
| Random Sequential U.S. States on a Map | 0 | - | 4.99 | 233,491 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 502,668 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,028 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,649 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,582 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,027 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,473 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,419 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,233 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,847 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,792 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,942 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,758 |
| Countries by Capital City | 0 | - | 5.00 | 66,984 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,503 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,038 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,890 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,516 |
| Moved Capital Cities | 0 | - | 4.96 | 73,711 |
| Random Capital to Country | 0 | - | 4.99 | 2,580,091 |
| Random Country to Capital | 0 | - | 4.98 | 912,883 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,570 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,267 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,934 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,672 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,550 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,950 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,807 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.44 | 10,576 |
| Which City in the United States? | 0 | - | 4.21 | 56,783 |
| Which City in Africa? | 0 | - | 4.78 | 57,640 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,899 |
| Which City in Asia? | 0 | - | 4.52 | 51,201 |
| Which City in Latin America? | 0 | - | 4.63 | 46,885 |
| Which City in Australia? | 0 | - | 4.67 | 34,285 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,840 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 218,839 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,754 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,237 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,457 |
| North American Sports Cities | 0 | - | 4.83 | 171,061 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,962 |
| Cities in European History #1 | 0 | - | 4.63 | 133,314 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,352 |
| European Cities by Map #2 | 0 | - | 4.47 | 47,225 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,591 |
| North America Cities by Map | 0 | - | 4.41 | 47,649 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,820 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,033 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,318 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,401 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,456 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,644 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,050 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,834 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,860 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,284 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,409 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,348 |
| Name a Valid World City | 0 | - | 4.83 | 70,294 |
| Cities by Former Name | 0 | - | 4.84 | 91,075 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,397 |
| Former Capitals | 0 | - | 4.88 | 71,197 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,770 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,317 |
| Capital Cities Chain | 0 | - | 4.84 | 82,034 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,984 |
| Coldest World Capitals | 0 | - | 4.95 | 133,111 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,146 |
| World Capitals by Map | 0 | - | 5.00 | 283,959 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,782 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,923 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,356 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,124 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,281 |
| Capitals Starting With H | 0 | - | 4.90 | 91,468 |
| Capitals Starting With K | 0 | - | 4.85 | 75,807 |
| Capitals Starting With L | 0 | - | 4.81 | 86,970 |
| Capitals Starting With M | 0 | - | 4.93 | 106,296 |
| Capitals Starting With P | 0 | - | 4.88 | 77,301 |
| Capitals Starting With R | 0 | - | 4.87 | 81,077 |
| Capitals Starting With S | 0 | - | 4.89 | 84,931 |
| Capitals Starting With T | 0 | - | 4.84 | 75,400 |
| Capitals Starting With W | 0 | - | 4.89 | 90,719 |
| Capitals Starting With A | 0 | - | 4.97 | 126,711 |
| Capitals Starting With B | 0 | - | 4.89 | 117,427 |
| Capitals Starting With D | 0 | - | 4.93 | 95,519 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.62 | 34,605 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,058 |
| U.S. State Capital Etymology | 0 | - | 4.50 | 36,809 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,876 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,346 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,722 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,616 |
| Which City in Germany? | 0 | - | 4.50 | 135,523 |
| Which City in Italy? | 0 | - | 4.64 | 88,708 |
