| Which City in Canada? | 0 | - | 4.82 | 56,638 |
| Which City in Europe? | 0 | - | 4.83 | 106,589 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 38,973 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,311 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,144 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,903 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,055 |
| Which City in the United States? | 0 | - | 4.21 | 56,644 |
| Which City in Latin America? | 0 | - | 4.63 | 46,832 |
| US States and State Capitals | 0 | - | 4.99 | 158,329 |
| European Cities by Clue | 0 | - | 4.70 | 88,790 |
| Which City in Africa? | 0 | - | 4.78 | 57,558 |
| Which City in Asia? | 0 | - | 4.51 | 51,093 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,562 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,782 |
| Which City in Australia? | 0 | - | 4.67 | 34,215 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,243 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,677 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,770 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,154 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,710 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,555 |
| Which City in Germany? | 0 | - | 4.50 | 134,950 |
| Which City in Italy? | 0 | - | 4.55 | 78,139 |
| Which City in France? | 0 | - | 4.64 | 72,379 |
| Which City in Spain? | 0 | - | 4.50 | 49,425 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,988 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,883 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,439 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,839 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,019 |
| Name a City - European Countries | 0 | - | 4.92 | 64,333 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,234 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,593 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,786 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,486 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,865 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.42 | 25,739 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,306 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,739 |
| Europe Capital to Country | 0 | - | 4.99 | 247,426 |
| Asia Capital to Country | 0 | - | 4.96 | 125,690 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,387 |
| European Capitals by Map | 0 | - | 4.99 | 136,123 |
| African Capitals by Map | 0 | - | 4.99 | 132,104 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,057 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,125 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,570 |
| European Coastal Capitals | 0 | - | 4.95 | 89,704 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,163 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,614 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,663 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,402 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,292 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,167 |
| Official Cities in the UK | 0 | - | 4.89 | 280,373 |
| Random U.S. City to State | 0 | - | 4.45 | 75,273 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 39,998 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,052 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,744 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,612 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,372 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,069 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,130 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,676 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,408 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,190 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,737 |
| U.S. State Flags | 0 | - | 4.89 | 166,923 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,455 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,148 |
| Random European City to Country | 0 | - | 4.69 | 116,281 |
| Random Asian City to Country | 0 | - | 4.56 | 44,385 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,812 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,759 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,958 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,357 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,642 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,645 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,709 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,384 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 87,993 |
| Capitals of the Stans | 0 | - | 4.95 | 26,386 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,125 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,250 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,182 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,383 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,171 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,988 |
| Random European Capital to Country | 0 | - | 4.98 | 189,136 |
| Random European Country to Capital | 0 | - | 4.92 | 147,386 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,327 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,361 |
| Random African Capital to Country | 0 | - | 4.97 | 99,701 |
| Random African Country to Capital | 0 | - | 4.94 | 70,195 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,320 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,347 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,706 |
| Cities that End in T by Clue | 0 | - | 4.69 | 16,973 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,590 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,740 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,391 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,336 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,251 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,809 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,700 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,659 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,638 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,578 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,784 |
| Cities that End in D by Clue | 0 | - | 4.49 | 26,591 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,167 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,202 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,788 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,745 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,216 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,510 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,402 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,534 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,682 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,455 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,529 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,202 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,590 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,369 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 54,841 |
| Find the City #1 | 0 | - | 4.97 | 42,069 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,881 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,612 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,561 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,547 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,333 |
| Countries by Capital City | 0 | - | 5.00 | 66,557 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,280 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,864 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,384 |
| Moved Capital Cities | 0 | - | 4.96 | 73,552 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,261 |
| Random Country to Capital | 0 | - | 4.98 | 911,174 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,497 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,897 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,648 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,512 |
| Which City in California? | 0 | - | 4.56 | 31,872 |
| Boroughs of New York City | 0 | - | 4.47 | 84,074 |
| Seattle City Trivia | 0 | - | 4.19 | 26,231 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,565 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,580 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,038 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,588 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,071 |
| North American Sports Cities | 0 | - | 4.83 | 170,839 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,903 |
| Cities in European History #1 | 0 | - | 4.63 | 133,055 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,186 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,554 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,797 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,009 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,629 |
| Cities in U.S. History #1 | 0 | - | 4.25 | 41,672 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,681 |
| Cities in Squares on a Map - Europe | 0 | - | 4.73 | 53,155 |
| Name a Valid World City | 0 | - | 4.83 | 70,072 |
| Cities by Former Name | 0 | - | 4.84 | 90,925 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,671 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,219 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,788 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,868 |
| World Capitals by Map | 0 | - | 5.00 | 283,042 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,627 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,189 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,969 |
| World Capitals Mystery Route | 0 | - | 4.97 | 54,611 |
| Capitals Starting With H | 0 | - | 4.90 | 90,530 |
| Capitals Starting With K | 0 | - | 4.85 | 75,639 |
| Capitals Starting With L | 0 | - | 4.81 | 86,776 |
| Capitals Starting With M | 0 | - | 4.93 | 105,976 |
| Capitals Starting With P | 0 | - | 4.88 | 77,141 |
| Capitals Starting With R | 0 | - | 4.87 | 80,928 |
| Capitals Starting With S | 0 | - | 4.89 | 84,758 |
| Capitals Starting With T | 0 | - | 4.84 | 75,254 |
| Capitals Starting With W | 0 | - | 4.89 | 90,573 |
| Capitals Starting With A | 0 | - | 4.97 | 126,479 |
| Capitals Starting With B | 0 | - | 4.89 | 117,226 |
| Capitals Starting With D | 0 | - | 4.93 | 95,327 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,189 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,916 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,535 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Cities on the Mediterranean Sea by a Clue | 0 | - | 4.32 | 26,438 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,332 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,374 |
| Hawaiian Islands | 0 | - | 4.83 | 42,418 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,322 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,073 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,480 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,574 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,353 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,402 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,909 |