| Which City in Canada? | 0 | - | 4.83 | 57,201 |
| Which City in Europe? | 0 | - | 4.83 | 107,680 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,542 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,335 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 39,095 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,237 |
| Which City in the United States? | 0 | - | 4.21 | 57,092 |
| Which City in Latin America? | 0 | - | 4.63 | 47,096 |
| US States and State Capitals | 0 | - | 4.99 | 163,945 |
| European Cities by Clue | 0 | - | 4.70 | 89,113 |
| Which City in Africa? | 0 | - | 4.77 | 57,915 |
| Which City in Asia? | 0 | - | 4.52 | 51,478 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,399 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.80 | 39,667 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,216 |
| Which City in Australia? | 0 | - | 4.67 | 34,479 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,390 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,173 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,015 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,364 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,816 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,829 |
| Which City in Germany? | 0 | - | 4.50 | 136,960 |
| Which City in Italy? | 0 | - | 4.68 | 90,370 |
| Which City in France? | 0 | - | 4.67 | 73,246 |
| Which City in Spain? | 0 | - | 4.50 | 50,035 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,694,447 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,950 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,800 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,548 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,070 |
| Name a City - European Countries | 0 | - | 4.90 | 65,813 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,040 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,171 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,087 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,385 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,218 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.43 | 26,094 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,105 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,600 |
| Europe Capital to Country | 0 | - | 4.99 | 251,236 |
| Asia Capital to Country | 0 | - | 4.96 | 127,008 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,436 |
| European Capitals by Map | 0 | - | 4.99 | 140,781 |
| African Capitals by Map | 0 | - | 4.99 | 139,501 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,232 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,474 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,838 |
| European Coastal Capitals | 0 | - | 4.95 | 90,957 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,934 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,306 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,914 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,986 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 145,037 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.53 | 31,328 |
| Official Cities in the UK | 0 | - | 4.89 | 284,965 |
| Random U.S. City to State | 0 | - | 4.45 | 76,660 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,357 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,235 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,951 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,838 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,293 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,667 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,132 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,383 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,675 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,344 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,500 |
| U.S. State Flags | 0 | - | 4.89 | 171,695 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,645 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,548 |
| Random European City to Country | 0 | - | 4.69 | 118,162 |
| Random Asian City to Country | 0 | - | 4.56 | 44,571 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,844 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,776 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,860 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,351 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,371 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,905 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,789 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,893 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,339 |
| Capitals of the Stans | 0 | - | 4.95 | 27,002 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,612 |
| Cities that End in G by Clue | 0 | - | 4.54 | 21,674 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,275 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,920 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,663 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,881 |
| Random European Capital to Country | 0 | - | 4.98 | 191,645 |
| Random European Country to Capital | 0 | - | 4.93 | 165,528 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,795 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,139 |
| Random African Capital to Country | 0 | - | 4.97 | 101,020 |
| Random African Country to Capital | 0 | - | 4.94 | 71,494 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,605 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,687 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,767 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,498 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.82 | 56,116 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 42,086 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,527 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,090 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 176,796 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,001 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,463 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,410 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,843 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,092 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,207 |
| Cities that End in D by Clue | 0 | - | 4.45 | 27,056 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,933 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,598 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,075 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,350 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,835 |
| Random Point on Land to US State | 0 | - | 4.63 | 69,538 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,907 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,851 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,773 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,592 |
| Name a City - U.S. States | 0 | - | 4.38 | 29,206 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,516 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,825 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,689 |
| Find the City #1 | 0 | - | 4.97 | 43,099 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,733 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,679 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,851 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,714 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,569 |
| Countries by Capital City | 0 | - | 5.00 | 68,844 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,502 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,931 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,521 |
| Moved Capital Cities | 0 | - | 4.96 | 74,432 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,390 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,693 |
| Random Country to Capital | 0 | - | 4.98 | 924,072 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,192 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,088 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,824 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,739 |
| Which City in California? | 0 | - | 4.56 | 32,104 |
| Boroughs of New York City | 0 | - | 4.47 | 84,802 |
| Seattle City Trivia | 0 | - | 4.21 | 26,484 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,072 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,704 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 631,358 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,997 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,173 |
| North American Sports Cities | 0 | - | 4.83 | 172,782 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,446 |
| Cities in European History #1 | 0 | - | 4.63 | 134,325 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,399 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,824 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,920 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,176 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,870 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,480 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,687 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,209 |
| Name a Valid World City | 0 | - | 4.83 | 71,597 |
| Cities by Former Name | 0 | - | 4.83 | 91,812 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,544 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,827 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,618 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,516 |
| World Capitals by Map | 0 | - | 5.00 | 288,030 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,592 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,572 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,204 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,736 |
| Capitals Starting With H | 0 | - | 4.91 | 92,829 |
| Capitals Starting With K | 0 | - | 4.88 | 83,881 |
| Capitals Starting With L | 0 | - | 4.81 | 88,348 |
| Capitals Starting With M | 0 | - | 4.93 | 108,240 |
| Capitals Starting With P | 0 | - | 4.88 | 78,464 |
| Capitals Starting With R | 0 | - | 4.87 | 82,070 |
| Capitals Starting With S | 0 | - | 4.90 | 86,054 |
| Capitals Starting With T | 0 | - | 4.84 | 76,397 |
| Capitals Starting With W | 0 | - | 4.87 | 91,450 |
| Capitals Starting With A | 0 | - | 4.97 | 128,424 |
| Capitals Starting With B | 0 | - | 4.88 | 118,842 |
| Capitals Starting With D | 0 | - | 4.93 | 96,730 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,563 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,130 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,433 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,419 |
| Cities on the Mediterranean Sea by a Clue | 0 | - | 4.32 | 26,580 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,332,053 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,436 |
| Hawaiian Islands | 0 | - | 4.83 | 42,811 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,849 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,418 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,547,646 |
| U.S. States by Clue #1 | 0 | - | 4.51 | 39,268 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,679 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,815 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,607 |
