| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,501 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,503 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,206 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,595 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,569 |
| Name a City - European Countries | 0 | - | 4.89 | 66,249 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,377 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,305 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,844 |
| Colombia Country Quiz | 0 | - | 4.90 | 41,024 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,518 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,081 |
| Countries Bordering Brazil | 0 | - | 4.96 | 132,289 |
| Countries That Visit Brazil The Most | 0 | - | 4.95 | 49,930 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,562 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,161 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,511 |
| Europe Capital to Country | 0 | - | 4.99 | 252,270 |
| Asia Capital to Country | 0 | - | 4.96 | 127,614 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,095 |
| European Capitals by Map | 0 | - | 4.99 | 142,276 |
| African Capitals by Map | 0 | - | 4.99 | 142,347 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,007 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,973 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,254 |
| European Coastal Capitals | 0 | - | 4.95 | 91,389 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,227 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,945 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,956 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,499 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,199 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,155 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,415 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,169 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,433 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,922 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 126,575 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.83 | 62,235 |
| Official Cities in the UK | 0 | - | 4.89 | 286,534 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,405 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,540 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,173 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,410 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,290 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,635 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,198 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,433 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,617 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,499 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,996 |
| World Capitals in the Answer | 0 | - | 4.94 | 77,707 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,747 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,902 |
| Capitals of the Stans | 0 | - | 4.95 | 27,182 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,010 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,497 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,104 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,205 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,712 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,720 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,329 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,718 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,436 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,968 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,862 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,782 |
| South American Cities on the Map | 0 | - | 4.52 | 35,566 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,629 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,122 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,126 |
| Random European Capital to Country | 0 | - | 4.98 | 192,230 |
| Random European Country to Capital | 0 | - | 4.93 | 165,979 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,041 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,501 |
| Random African Capital to Country | 0 | - | 4.97 | 101,398 |
| Random African Country to Capital | 0 | - | 4.95 | 71,796 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,678 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,326 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,947 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,310 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,407 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,835 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,890 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 127,632 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,392 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,040 |
| Random U.S. City to State | 0 | - | 4.45 | 76,965 |
| Find the City #1 | 0 | - | 4.97 | 43,384 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,447 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,020 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,264 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,316 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,239 |
| Countries by Capital City | 0 | - | 5.00 | 69,498 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,922 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,277 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,098 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,183 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,876 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,044 |
| Moved Capital Cities | 0 | - | 4.96 | 74,690 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,288 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,400 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,458 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,833 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,761 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,881 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,349 |
| Which City in Europe? | 0 | - | 4.83 | 107,923 |
| Brazil Country Quiz | 0 | - | 4.52 | 102,418 |
| Argentina Country Quiz | 0 | - | 4.53 | 57,826 |
| Peru Country Quiz | 0 | - | 4.54 | 48,949 |
| Chile Country Quiz | 0 | - | 4.75 | 40,311 |
| Ecuador Country Quiz | 0 | - | 4.60 | 32,025 |
| Brazil Cities Map Quiz | 0 | - | 4.62 | 36,848 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,505 |
| North American Sports Cities | 0 | - | 4.82 | 173,204 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,581 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,989 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,893 |
| Name a Valid World City | 0 | - | 4.85 | 72,048 |
| Cities by Former Name | 0 | - | 4.83 | 92,110 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,951 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,007 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,898 |
| World Capitals by Map | 0 | - | 5.00 | 289,651 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,862 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,636 |
| Random Country to Capital | 0 | - | 4.98 | 929,062 |
| Capitals Starting With H | 0 | - | 4.91 | 93,382 |
| Capitals Starting With K | 0 | - | 4.88 | 84,457 |
| Capitals Starting With M | 0 | - | 4.94 | 109,267 |
| Capitals Starting With P | 0 | - | 4.88 | 79,061 |
| Capitals Starting With R | 0 | - | 4.88 | 82,549 |
| Capitals Starting With S | 0 | - | 4.90 | 86,626 |
| Capitals Starting With T | 0 | - | 4.86 | 76,880 |
| Capitals Starting With W | 0 | - | 4.87 | 91,766 |
| Capitals Starting With A | 0 | - | 4.97 | 129,179 |
| Capitals Starting With B | 0 | - | 4.89 | 119,572 |
| Capitals Starting With D | 0 | - | 4.94 | 97,262 |
| Cities in European History #1 | 0 | - | 4.63 | 134,669 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,464 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,901 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,958 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,498 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,225 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,536 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,269 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,257 |
| U.S. State Capitals with the Most Precipitation | 0 | - | 4.20 | 12,799 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,819 |
| Which City in Latin America? | 0 | - | 4.63 | 47,160 |
| Which City in Canada? | 0 | - | 4.83 | 57,381 |
| Boroughs of New York City | 0 | - | 4.47 | 85,354 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,140 |
| Which South American Country? | 0 | - | 4.69 | 52,128 |
| Countries that Beat Brazil | 0 | - | 4.49 | 69,271 |
| South America Map Quiz | 0 | - | 5.00 | 1,557,215 |
| U.S. States by Coldest Recorded Temperature | 0 | - | 4.52 | 66,743 |
| Top 10 U.S. States With the Most Tornadoes | 0 | - | 4.53 | 65,019 |
| Top 10 U.S. States with the Most Precipitation | 0 | - | 4.46 | 41,832 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,746 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,326 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,708 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,801 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,757 |
| North America Cities by Map | 0 | - | 4.41 | 47,957 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,981 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,599 |
| ALL California Cities | 0 | - | 4.37 | 43,259 |
| Random European City to Country | 0 | - | 4.69 | 118,493 |
| Random Asian City to Country | 0 | - | 4.56 | 44,625 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,732 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,624 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,884 |
| Former Capitals | 0 | - | 4.88 | 71,703 |
| Capital Cities Chain | 0 | - | 4.84 | 83,442 |
| Coldest World Capitals | 0 | - | 4.95 | 134,190 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,198 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,630 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,208 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,110 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,737 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,084 |
| US States and State Capitals | 0 | - | 4.99 | 165,623 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,903 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,791 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,217 |
| Central America and Caribbean Map Quiz | 0 | - | 4.90 | 905,168 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,732 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 14,184 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,719 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,277 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,088 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,977 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,923 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,324 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,757 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,120 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,873 |
