| Which City in Canada? | 0 | - | 4.83 | 57,089 |
| Which City in Europe? | 0 | - | 4.83 | 107,429 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,293 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,076 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,050 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,198 |
| Which City in the United States? | 0 | - | 4.21 | 57,006 |
| Which City in Latin America? | 0 | - | 4.63 | 47,033 |
| US States and State Capitals | 0 | - | 4.99 | 162,622 |
| European Cities by Clue | 0 | - | 4.70 | 89,065 |
| Which City in Africa? | 0 | - | 4.77 | 57,844 |
| Which City in Asia? | 0 | - | 4.52 | 51,393 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 506,791 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,538 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,139 |
| Which City in Australia? | 0 | - | 4.67 | 34,430 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,918 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,833 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,455 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,069 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,790 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.42 | 54,771 |
| Which City in Germany? | 0 | - | 4.50 | 136,559 |
| Which City in Italy? | 0 | - | 4.68 | 90,180 |
| Which City in France? | 0 | - | 4.64 | 73,093 |
| Which City in Spain? | 0 | - | 4.50 | 49,947 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,299 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,060 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,312 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,078 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,847 |
| Name a City - European Countries | 0 | - | 4.90 | 65,425 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,837 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,006 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,753 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,196 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,148 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.43 | 26,020 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,742 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,149 |
| Europe Capital to Country | 0 | - | 4.99 | 250,421 |
| Asia Capital to Country | 0 | - | 4.96 | 126,699 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,940 |
| European Capitals by Map | 0 | - | 4.99 | 139,344 |
| African Capitals by Map | 0 | - | 4.99 | 133,850 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,460 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,112 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,455 |
| European Coastal Capitals | 0 | - | 4.95 | 90,637 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,606 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,164 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,145 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,848 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,629 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,300 |
| Official Cities in the UK | 0 | - | 4.89 | 283,912 |
| Random U.S. City to State | 0 | - | 4.45 | 76,338 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,285 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,635 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,958 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,516 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,070 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,311 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,870 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,207 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,404 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,039 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,313 |
| U.S. State Flags | 0 | - | 4.88 | 170,608 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,593 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,189 |
| Random European City to Country | 0 | - | 4.69 | 117,716 |
| Random Asian City to Country | 0 | - | 4.56 | 44,541 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,045 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,531 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,977 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,125 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,190 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,842 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,772 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,525 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,980 |
| Capitals of the Stans | 0 | - | 4.95 | 26,857 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,512 |
| Cities that End in G by Clue | 0 | - | 4.54 | 21,586 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,242 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,533 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,531 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,692 |
| Random European Capital to Country | 0 | - | 4.98 | 190,981 |
| Random European Country to Capital | 0 | - | 4.93 | 165,186 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,487 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,783 |
| Random African Capital to Country | 0 | - | 4.97 | 100,761 |
| Random African Country to Capital | 0 | - | 4.94 | 71,254 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,555 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,611 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,310 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,367 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 55,972 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,997 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,229 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,702 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,767 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,946 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,356 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,653 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,387 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,950 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,096 |
| Cities that End in D by Clue | 0 | - | 4.49 | 26,945 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,762 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,573 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,011 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,217 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,667 |
| Random Point on Land to US State | 0 | - | 4.63 | 69,281 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,313 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,774 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,201 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,564 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,722 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,439 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,768 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,454 |
| Find the City #1 | 0 | - | 4.97 | 42,830 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,301 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,443 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,541 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,279 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,070 |
| Countries by Capital City | 0 | - | 5.00 | 68,343 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,204 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,678 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,238 |
| Moved Capital Cities | 0 | - | 4.96 | 74,233 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,125 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,577 |
| Random Country to Capital | 0 | - | 4.98 | 920,971 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,012 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,046 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,778 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,697 |
| Which City in California? | 0 | - | 4.56 | 32,034 |
| Boroughs of New York City | 0 | - | 4.47 | 84,613 |
| Seattle City Trivia | 0 | - | 4.20 | 26,427 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,027 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,033 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 628,020 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,902 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,922 |
| North American Sports Cities | 0 | - | 4.83 | 172,423 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,341 |
| Cities in European History #1 | 0 | - | 4.63 | 134,053 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,355 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,764 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,888 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,131 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,784 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,434 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,417 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,864 |
| Name a Valid World City | 0 | - | 4.83 | 71,259 |
| Cities by Former Name | 0 | - | 4.83 | 91,601 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,415 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,674 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,479 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,251 |
| World Capitals by Map | 0 | - | 5.00 | 286,621 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,341 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,055 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,154 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,505 |
| Capitals Starting With H | 0 | - | 4.91 | 92,608 |
| Capitals Starting With K | 0 | - | 4.88 | 83,591 |
| Capitals Starting With L | 0 | - | 4.81 | 88,136 |
| Capitals Starting With M | 0 | - | 4.93 | 107,868 |
| Capitals Starting With P | 0 | - | 4.88 | 78,244 |
| Capitals Starting With R | 0 | - | 4.87 | 81,881 |
| Capitals Starting With S | 0 | - | 4.90 | 85,833 |
| Capitals Starting With T | 0 | - | 4.85 | 76,203 |
| Capitals Starting With W | 0 | - | 4.87 | 91,331 |
| Capitals Starting With A | 0 | - | 4.97 | 128,133 |
| Capitals Starting With B | 0 | - | 4.89 | 118,559 |
| Capitals Starting With D | 0 | - | 4.93 | 96,500 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,482 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,085 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 183,907 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,399 |
| Cities on the Mediterranean Sea by a Clue | 0 | - | 4.32 | 26,550 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,131 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,205 |
| Hawaiian Islands | 0 | - | 4.83 | 42,727 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,042 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,330 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,540,263 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,116 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,879 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,274 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,483 |
