| Word Scramble - U.S. States | 0 | - | 4.95 | 502,127 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,282 |
| US States and State Capitals | 0 | - | 4.99 | 158,708 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,447 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,802 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,977 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,257 |
| Which City in Canada? | 0 | - | 4.82 | 56,708 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,678,184 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,543 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,213 |
| Random European Capital to Country | 0 | - | 4.98 | 189,294 |
| Random European Country to Capital | 0 | - | 4.92 | 147,515 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,430 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,473 |
| Random African Capital to Country | 0 | - | 4.97 | 99,752 |
| Random African Country to Capital | 0 | - | 4.94 | 70,249 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 105,027 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,112 |
| Name a City - European Countries | 0 | - | 4.92 | 64,472 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,290 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,652 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,874 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,563 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,898 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,395 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,902 |
| Europe Capital to Country | 0 | - | 4.99 | 248,018 |
| Asia Capital to Country | 0 | - | 4.96 | 125,798 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,537 |
| European Capitals by Map | 0 | - | 4.99 | 136,436 |
| African Capitals by Map | 0 | - | 4.99 | 132,242 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,227 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,258 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,670 |
| European Coastal Capitals | 0 | - | 4.95 | 89,814 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,207 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,939 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,942 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,440 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,418 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 39,091 |
| California... or Florida? | 0 | - | 4.60 | 50,993 |
| Official Cities in the UK | 0 | - | 4.89 | 280,718 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,826 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,463 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,993 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,697 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,448 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,172 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,211 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,744 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,517 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,276 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,803 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,519 |
| U.S. State Flags | 0 | - | 4.89 | 167,266 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,463 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,270 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,061 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,834 |
| World Capitals Quiz | 0 | - | 5.00 | 5,033,367 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,427 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,695 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,668 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,918 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,071 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,620 |
| Which City in California? | 0 | - | 4.56 | 31,902 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,715 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,492 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,080 |
| Capitals of the Stans | 0 | - | 4.95 | 26,436 |
| ALL California Cities | 0 | - | 4.37 | 42,825 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,728 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,511 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,214 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,114 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,230 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,345 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,379 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,813 |
| Which City in the United States? | 0 | - | 4.21 | 56,726 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,891 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,625 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,777 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,483 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,464 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,581 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,484 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,734 |
| 1M Cities by Proximity - United States | 0 | - | 4.55 | 149,754 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,706 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,612 |
| Random U.S. City to State | 0 | - | 4.45 | 75,378 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,818 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,029 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,228 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,560 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,807 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,789 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,267 |
| Which City in Europe? | 0 | - | 4.83 | 106,733 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,624 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,573 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,558 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,834 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,465 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,539 |
| Find the City #1 | 0 | - | 4.97 | 42,144 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,006 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,681 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,632 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,688 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,507 |
| Countries by Capital City | 0 | - | 5.00 | 66,725 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,370 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,936 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,436 |
| Moved Capital Cities | 0 | - | 4.96 | 73,615 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,611 |
| Random Country to Capital | 0 | - | 4.98 | 911,994 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,527 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,920 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,661 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,532 |
| Boroughs of New York City | 0 | - | 4.47 | 84,128 |
| Seattle City Trivia | 0 | - | 4.20 | 26,244 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,751 |
| California Counties Map Quiz | 0 | - | 4.36 | 34,339 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,821 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,946 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,621 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,144 |
| North American Sports Cities | 0 | - | 4.83 | 170,955 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,928 |
| Cities in European History #1 | 0 | - | 4.63 | 133,192 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,202 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,572 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,813 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,019 |
| California Cities starting with SAN or SANTA | 0 | - | 4.33 | 18,445 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 44,615 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,768 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,209 |
| Name a Valid World City | 0 | - | 4.83 | 70,183 |
| Cities by Former Name | 0 | - | 4.84 | 91,004 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,702 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,259 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,872 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,003 |
| World Capitals by Map | 0 | - | 5.00 | 283,326 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,699 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,274 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,983 |
| World Capitals Mystery Route | 0 | - | 4.97 | 54,687 |
| Capitals Starting With H | 0 | - | 4.90 | 91,176 |
| Capitals Starting With K | 0 | - | 4.85 | 75,719 |
| Capitals Starting With L | 0 | - | 4.81 | 86,879 |
| Capitals Starting With M | 0 | - | 4.93 | 106,137 |
| Capitals Starting With P | 0 | - | 4.88 | 77,234 |
| Capitals Starting With R | 0 | - | 4.87 | 81,009 |
| Capitals Starting With S | 0 | - | 4.89 | 84,846 |
| Capitals Starting With T | 0 | - | 4.84 | 75,332 |
| Capitals Starting With W | 0 | - | 4.89 | 90,643 |
| Capitals Starting With A | 0 | - | 4.97 | 126,591 |
| Capitals Starting With B | 0 | - | 4.89 | 117,335 |
| Capitals Starting With D | 0 | - | 4.93 | 95,423 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,932 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,652 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,341 |
| Which City in Latin America? | 0 | - | 4.63 | 46,860 |
| Which City in Australia? | 0 | - | 4.67 | 34,255 |
| New York City A-Z | 0 | - | 4.18 | 32,197 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,447 |
| Hawaiian Islands | 0 | - | 4.83 | 42,440 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,572 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,099 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,519,607 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,643 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,594 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,197 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,037 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,064 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,898 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,025 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,843 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,947 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,894 |
| U.S. Cities A-Z by Clue | 0 | - | 4.36 | 39,679 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,327 |
| Westernmost Cities in the U.S. | 0 | - | 4.36 | 16,407 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,166 |
| North America Cities by Map | 0 | - | 4.41 | 47,625 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,240 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,210 |
| Random European City to Country | 0 | - | 4.69 | 116,667 |
| Random Asian City to Country | 0 | - | 4.56 | 44,396 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,735 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,122 |
