| Which City in Canada? | 0 | - | 4.83 | 57,368 |
| Which City in Europe? | 0 | - | 4.83 | 107,909 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,794 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,762 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,155 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,289 |
| Which City in the United States? | 0 | - | 4.21 | 57,181 |
| Which City in Latin America? | 0 | - | 4.63 | 47,156 |
| US States and State Capitals | 0 | - | 4.99 | 165,458 |
| European Cities by Clue | 0 | - | 4.70 | 89,178 |
| Which City in Africa? | 0 | - | 4.77 | 58,005 |
| Which City in Asia? | 0 | - | 4.52 | 51,582 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,288 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,801 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,306 |
| Which City in Australia? | 0 | - | 4.67 | 34,573 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,044 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,056 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,655 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,869 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,842 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,900 |
| Which City in Germany? | 0 | - | 4.50 | 137,388 |
| Which City in Italy? | 0 | - | 4.68 | 90,568 |
| Which City in France? | 0 | - | 4.67 | 73,387 |
| Which City in Spain? | 0 | - | 4.50 | 50,114 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,094 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,065 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,046 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,044 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,450 |
| Name a City - European Countries | 0 | - | 4.89 | 66,210 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,279 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,386 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,429 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,717 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,340 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.43 | 26,176 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,514 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,113 |
| Europe Capital to Country | 0 | - | 4.99 | 252,171 |
| Asia Capital to Country | 0 | - | 4.96 | 127,506 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,028 |
| European Capitals by Map | 0 | - | 4.99 | 142,172 |
| African Capitals by Map | 0 | - | 4.99 | 142,279 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,954 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,912 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,212 |
| European Coastal Capitals | 0 | - | 4.95 | 91,339 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,202 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,809 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,844 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,182 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,094 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,373 |
| Official Cities in the UK | 0 | - | 4.89 | 286,367 |
| Random U.S. City to State | 0 | - | 4.45 | 76,932 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,452 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,072 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,283 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,260 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,602 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,152 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,412 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,596 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,978 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,705 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,731 |
| U.S. State Flags | 0 | - | 4.89 | 173,049 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,706 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,964 |
| Random European City to Country | 0 | - | 4.69 | 118,478 |
| Random Asian City to Country | 0 | - | 4.56 | 44,623 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,325 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,121 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,607 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,697 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,579 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,972 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,810 |
| Click a Valid US State A-Z | 0 | - | 4.91 | 119,370 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,324 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,759 |
| Capitals of the Stans | 0 | - | 4.95 | 27,157 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,745 |
| Cities that End in G by Clue | 0 | - | 4.54 | 21,769 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,081 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,455 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,828 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,097 |
| Random European Capital to Country | 0 | - | 4.98 | 192,173 |
| Random European Country to Capital | 0 | - | 4.93 | 165,946 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,000 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,459 |
| Random African Capital to Country | 0 | - | 4.97 | 101,371 |
| Random African Country to Capital | 0 | - | 4.95 | 71,770 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,726 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,806 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,361 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,658 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,336 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,176 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,858 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,674 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,201 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,038 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,851 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,019 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,225 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,319 |
| Cities that End in D by Clue | 0 | - | 4.45 | 27,178 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,128 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,986 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,172 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,558 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,005 |
| Random Point on Land to US State | 0 | - | 4.63 | 69,748 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,779 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 118,761 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,945 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,347 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,644 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,578 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,888 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,929 |
| Find the City #1 | 0 | - | 4.97 | 43,360 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,390 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,990 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,233 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,260 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,185 |
| Countries by Capital City | 0 | - | 5.00 | 69,443 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,882 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,257 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,837 |
| Moved Capital Cities | 0 | - | 4.96 | 74,667 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,086 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,819 |
| Random Country to Capital | 0 | - | 4.98 | 928,532 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,609 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,169 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,884 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,800 |
| Which City in California? | 0 | - | 4.56 | 32,161 |
| Boroughs of New York City | 0 | - | 4.47 | 85,340 |
| Seattle City Trivia | 0 | - | 4.22 | 26,553 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,130 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,595 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 636,009 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,419 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,474 |
| North American Sports Cities | 0 | - | 4.82 | 173,183 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,564 |
| Cities in European History #1 | 0 | - | 4.63 | 134,634 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,460 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,895 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,956 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,220 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,934 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,519 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,968 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,505 |
| Name a Valid World City | 0 | - | 4.85 | 72,019 |
| Cities by Former Name | 0 | - | 4.83 | 92,077 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,823 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,994 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,853 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,866 |
| World Capitals by Map | 0 | - | 5.00 | 289,477 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,843 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,854 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,261 |
| World Capitals Mystery Route | 0 | - | 4.98 | 56,063 |
| Capitals Starting With H | 0 | - | 4.91 | 93,355 |
| Capitals Starting With K | 0 | - | 4.89 | 84,423 |
| Capitals Starting With M | 0 | - | 4.94 | 109,220 |
| Capitals Starting With P | 0 | - | 4.88 | 79,029 |
| Capitals Starting With R | 0 | - | 4.88 | 82,528 |
| Capitals Starting With S | 0 | - | 4.90 | 86,597 |
| Capitals Starting With T | 0 | - | 4.86 | 76,861 |
| Capitals Starting With W | 0 | - | 4.87 | 91,748 |
| Capitals Starting With A | 0 | - | 4.97 | 129,142 |
| Capitals Starting With B | 0 | - | 4.89 | 119,540 |
| Capitals Starting With D | 0 | - | 4.94 | 97,234 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,675 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,247 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,803 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,444 |
| Cities on the Mediterranean Sea by a Clue | 0 | - | 4.32 | 26,611 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,950 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,739 |
| Hawaiian Islands | 0 | - | 4.83 | 42,958 |
| U.S. States that Border Canada | 0 | - | 4.91 | 186,736 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,519 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,556,115 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,416 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,498 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,641 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,736 |
