| Which City in Canada? | 0 | - | 4.82 | 56,894 |
| Which City in Europe? | 0 | - | 4.83 | 107,075 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,366 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,976 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,694 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,984 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,127 |
| Which City in the United States? | 0 | - | 4.21 | 56,870 |
| Which City in Latin America? | 0 | - | 4.63 | 46,954 |
| US States and State Capitals | 0 | - | 4.99 | 160,596 |
| European Cities by Clue | 0 | - | 4.70 | 88,971 |
| Which City in Africa? | 0 | - | 4.77 | 57,729 |
| Which City in Asia? | 0 | - | 4.52 | 51,273 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,559 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,006 |
| Which City in Australia? | 0 | - | 4.67 | 34,350 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,192 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,352 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,803 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,705 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,758 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,680 |
| Which City in Germany? | 0 | - | 4.50 | 135,923 |
| Which City in Italy? | 0 | - | 4.64 | 89,829 |
| Which City in France? | 0 | - | 4.64 | 72,895 |
| Which City in Spain? | 0 | - | 4.50 | 49,828 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,238 |
| Africa Capitals Quiz | 0 | - | 4.99 | 734,376 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,828 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,567 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,498 |
| Name a City - European Countries | 0 | - | 4.91 | 65,005 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,562 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,841 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,329 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,898 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,023 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.42 | 25,898 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,207 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,601 |
| Europe Capital to Country | 0 | - | 4.99 | 249,149 |
| Asia Capital to Country | 0 | - | 4.96 | 126,266 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,324 |
| European Capitals by Map | 0 | - | 4.99 | 138,053 |
| African Capitals by Map | 0 | - | 4.99 | 132,990 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,836 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,711 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,079 |
| European Coastal Capitals | 0 | - | 4.95 | 90,214 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,398 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,528 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,128 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,644 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,237 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,238 |
| Official Cities in the UK | 0 | - | 4.89 | 282,457 |
| Random U.S. City to State | 0 | - | 4.45 | 75,849 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,150 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,659 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,532 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,089 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,784 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,775 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,577 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,981 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,922 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,653 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,065 |
| U.S. State Flags | 0 | - | 4.89 | 169,173 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,531 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,770 |
| Random European City to Country | 0 | - | 4.69 | 117,239 |
| Random Asian City to Country | 0 | - | 4.56 | 44,445 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,445 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,169 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,915 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,796 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,962 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,753 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,744 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,055 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,597 |
| Capitals of the Stans | 0 | - | 4.95 | 26,651 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,351 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,473 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,579,587 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,021 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,393 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,426 |
| Random European Capital to Country | 0 | - | 4.98 | 190,296 |
| Random European Country to Capital | 0 | - | 4.93 | 161,944 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,962 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,074 |
| Random African Capital to Country | 0 | - | 4.97 | 100,258 |
| Random African Country to Capital | 0 | - | 4.94 | 70,868 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,452 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,491 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,542 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,213 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,803 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,882 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,901 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,136 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,221 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,899 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,180 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,211 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,124 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,807 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,975 |
| Cities that End in D by Clue | 0 | - | 4.49 | 26,793 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,502 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,063 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,927 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,001 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,480 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,995 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 70,428 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,529 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,677 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,599 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,517 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,638 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,334 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,696 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,178 |
| Find the City #1 | 0 | - | 4.97 | 42,548 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,707 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,115 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,144 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,712 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,322 |
| Countries by Capital City | 0 | - | 5.00 | 67,634 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,829 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,323 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,790 |
| Moved Capital Cities | 0 | - | 4.96 | 73,946 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,596 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,251 |
| Random Country to Capital | 0 | - | 4.98 | 916,157 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,766 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,983 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,722 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,616 |
| Which City in California? | 0 | - | 4.56 | 31,976 |
| Boroughs of New York City | 0 | - | 4.47 | 84,388 |
| Seattle City Trivia | 0 | - | 4.20 | 26,326 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,946 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,076 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 623,436 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,772 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,500 |
| North American Sports Cities | 0 | - | 4.83 | 171,538 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,080 |
| Cities in European History #1 | 0 | - | 4.63 | 133,624 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,278 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,668 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,847 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,085 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,721 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,341 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,108 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,544 |
| Name a Valid World City | 0 | - | 4.83 | 70,751 |
| Cities by Former Name | 0 | - | 4.84 | 91,318 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,260 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,488 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,228 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,655 |
| World Capitals by Map | 0 | - | 5.00 | 285,068 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,029 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,666 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,070 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,107 |
| Capitals Starting With H | 0 | - | 4.90 | 91,808 |
| Capitals Starting With K | 0 | - | 4.85 | 76,005 |
| Capitals Starting With L | 0 | - | 4.81 | 87,222 |
| Capitals Starting With M | 0 | - | 4.93 | 106,689 |
| Capitals Starting With P | 0 | - | 4.88 | 77,510 |
| Capitals Starting With R | 0 | - | 4.87 | 81,285 |
| Capitals Starting With S | 0 | - | 4.89 | 85,140 |
| Capitals Starting With T | 0 | - | 4.84 | 75,622 |
| Capitals Starting With W | 0 | - | 4.87 | 90,903 |
| Capitals Starting With A | 0 | - | 4.97 | 127,043 |
| Capitals Starting With B | 0 | - | 4.89 | 117,708 |
| Capitals Starting With D | 0 | - | 4.93 | 95,786 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,356 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,005 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,371 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,372 |
| Cities on the Mediterranean Sea by a Clue | 0 | - | 4.32 | 26,503 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,324,439 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,867 |
| Hawaiian Islands | 0 | - | 4.83 | 42,586 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,926 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,235 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,529,740 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 38,884 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 219,883 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,528 |
