| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,877 |
| Europe Capital to Country | 0 | - | 4.99 | 250,880 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,204 |
| European Capitals by Map | 0 | - | 4.99 | 139,972 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,295 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,636 |
| European Coastal Capitals | 0 | - | 4.95 | 90,816 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,552 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,985 |
| Official Cities in the UK | 0 | - | 4.89 | 284,512 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,212 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,525 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,298 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,411 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,921 |
| Cities in European History #1 | 0 | - | 4.63 | 134,209 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,388 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,295 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,730 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,295 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,239 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,414 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,728 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,759 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,779 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,591 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,799 |
| Random European Capital to Country | 0 | - | 4.98 | 191,432 |
| Random European Country to Capital | 0 | - | 4.93 | 165,391 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,408 |
| Name a City - European Countries | 0 | - | 4.90 | 65,617 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,977 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,935 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,376 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,508 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,472 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,956 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,392 |
| Random U.S. City to State | 0 | - | 4.45 | 76,541 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,860 |
| Former Capitals | 0 | - | 4.88 | 71,520 |
| Asia Capital to Country | 0 | - | 4.96 | 126,872 |
| African Capitals by Map | 0 | - | 4.99 | 134,166 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,570 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,637 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,672 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,860 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,925 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,638 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,340 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,050 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,588 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,713 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,035 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,550 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,005 |
| US States Quiz | 0 | - | 5.00 | 16,918,200 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,208 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,025 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,679 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,247 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,430 |
| Boroughs of New York City | 0 | - | 4.47 | 84,712 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,049 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,266 |
| Capitals of the Stans | 0 | - | 4.95 | 26,918 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,551 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,560 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,091 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,045 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,467 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,494 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,577 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,576 |
| ALL California Cities | 0 | - | 4.37 | 43,104 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,495 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,560 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,468 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,853 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,392 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,301 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,609 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,004 |
| Random African Capital to Country | 0 | - | 4.97 | 100,919 |
| Random African Country to Capital | 0 | - | 4.94 | 71,382 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,769 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,271 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,116 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,989 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,589 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,998 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,543 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,235 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,667 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 333,119 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,016 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,733 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,549 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,294 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,410 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,340 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,972 |
| Find the City #1 | 0 | - | 4.97 | 42,978 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,551 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,554 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,690 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,502 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,324 |
| Countries by Capital City | 0 | - | 5.00 | 68,643 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,379 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,821 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,145 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,044 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,419 |
| Moved Capital Cities | 0 | - | 4.96 | 74,351 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,938 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,084 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,638 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,309 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,186 |
| Which City in Europe? | 0 | - | 4.83 | 107,565 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,738 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,688 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,082 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,690 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,652 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,236 |
| US States with an Empty Map | 0 | - | 5.00 | 626,003 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,845 |
| U.S. Cities With The Most Top Census Appearances | 0 | - | 4.68 | 11,251 |
| Biggest Cities in France | 0 | - | 4.70 | 224,418 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,546 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 41,281 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,173 |
| British Places A-Z | 0 | - | 4.29 | 79,949 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,967 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,861 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,756 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,801 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,644 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,711 |
| Random Country to Capital | 0 | - | 4.98 | 922,818 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,643 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,251 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,078 |
| Boroughs of London | 0 | - | 4.63 | 88,103 |
| London Geography | 0 | - | 4.47 | 59,741 |
| Miami City Trivia | 0 | - | 4.60 | 11,244 |
| All About Atlanta | 0 | - | 4.60 | 11,264 |
| Dallas City Trivia | 0 | - | 4.46 | 6,848 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,580 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,249 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,540 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,676 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,854 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,667 |
| Rivers of the United States | 0 | - | 4.93 | 66,336 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,471 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 125,307 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,940 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 92,338 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 62,000 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,076 |
| North American Sports Cities | 0 | - | 4.83 | 172,652 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,398 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,386 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,797 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,903 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,153 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,550 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,834 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,460 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,554 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,022 |
| Name a Valid World City | 0 | - | 4.83 | 71,471 |
| Cities by Former Name | 0 | - | 4.83 | 91,727 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,485 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,757 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,398 |
| World Capitals by Map | 0 | - | 5.00 | 287,471 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,474 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,472 |
| Capitals Starting With H | 0 | - | 4.91 | 92,726 |
| Capitals Starting With K | 0 | - | 4.88 | 83,771 |
| Capitals Starting With L | 0 | - | 4.81 | 88,254 |
| Capitals Starting With M | 0 | - | 4.93 | 108,074 |
| Capitals Starting With P | 0 | - | 4.88 | 78,350 |
| Capitals Starting With R | 0 | - | 4.87 | 81,981 |
| Capitals Starting With S | 0 | - | 4.90 | 85,956 |
| Capitals Starting With T | 0 | - | 4.84 | 76,311 |
| Capitals Starting With W | 0 | - | 4.86 | 91,399 |
| Capitals Starting With A | 0 | - | 4.97 | 128,299 |
| Capitals Starting With B | 0 | - | 4.89 | 118,718 |
| Capitals Starting With D | 0 | - | 4.93 | 96,632 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,536 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,629 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,259 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,236 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,903 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,280 |
