| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,908 |
| African Great Lakes | 0 | - | 4.82 | 65,310 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,827 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,920 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,105 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,186 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,680 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,356 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,465 |
| Capitals by River | 0 | - | 4.55 | 48,243 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,489 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,843 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,488 |
| Rivers of the United States | 0 | - | 4.93 | 65,602 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,486 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,331 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,563 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,102 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,497 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,010 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,870 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,741 |
| South China Sea Countries | 0 | - | 4.78 | 57,516 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,664 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,638 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,795 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,509 |
| Country Name Etymologies #1 | 0 | - | 4.97 | 158,250 |
| Country Name Etymologies #2 | 0 | - | 4.96 | 86,054 |
| Countries with More Cows than People | 0 | - | 4.43 | 55,312 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,673 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,321 |
| Asian Physical Geography | 0 | - | 4.61 | 35,386 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,837 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,022 |
| Landforms by Country | 0 | - | 4.52 | 51,922 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,714 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,929 |
| Sea in the Answers | 0 | - | 4.10 | 48,591 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,260 |
| Five Countries by a Single Word by Continent | 0 | - | 4.91 | 77,363 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,694 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,589 |
| Geological Extremes | 0 | - | 4.34 | 39,953 |
| African Physical Geography | 0 | - | 4.51 | 31,583 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| National Animals | 0 | - | 4.24 | 89,180 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,987,575 |
| Bay of Bengal Countries With an Empty Map | 0 | - | 4.64 | 75,243 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,638 |
| South American Physical Geography | 0 | - | 4.58 | 18,281 |
| Rivers A-Z | 0 | - | 4.35 | 32,702 |
| Seas of Europe | 0 | - | 4.37 | 83,846 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,050 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,999 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,302 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,965 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,199 |
| Boundary Waters | 0 | - | 4.92 | 88,085 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,854 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,396 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,065 |
| Capital City Etymologies | 0 | - | 4.77 | 63,049 |
| Landlocked Countries | 0 | - | 4.99 | 414,435 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,723,487 |
| Airports Named for People #1 | 0 | - | 4.46 | 55,709 |
| Animals of Australia | 0 | - | 4.52 | 42,179 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,150 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,195 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,644 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,222 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,093 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,966 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,197 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,969 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,572,913 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,425 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,243 |
| Island Countries | 0 | - | 4.99 | 707,937 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,933 |
| Himalayan Countries | 0 | - | 4.95 | 135,644 |
| Andean Countries | 0 | - | 4.94 | 82,993 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,397 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,045 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,718 |
| Danube Countries | 0 | - | 4.97 | 71,161 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,875 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,622 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,663 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,564 |
| European Landlocked Countries | 0 | - | 4.99 | 145,864 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,333 |
| Countries with the Most Species | 0 | - | 4.99 | 95,290 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,482 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,229 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,006 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,647 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,011 |
| Countries in the Alps | 0 | - | 4.86 | 116,958 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,661 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,426 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,083 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,493 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,271 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,076 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,675 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,827 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,563 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,133 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,227 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,090 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,518 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,814 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,816 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,247 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,724 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,303 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,879 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,747 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,940 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,674 |
| Largest Countries By Category | 0 | - | 4.97 | 156,891 |
| Countries by Countries | 0 | - | 4.96 | 62,341 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,364,650 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,530 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,994 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,355 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,843 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,040,580 |
| Northernmost Countries | 0 | - | 4.99 | 358,170 |
| Countries of South America | 0 | - | 5.00 | 916,182 |
| Countries of Oceania | 0 | - | 5.00 | 1,042,327 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,851,249 |
| "Land" Countries | 0 | - | 4.98 | 333,876 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,804,365 |
| Europe Map Quiz | 0 | - | 5.00 | 4,735,217 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,795 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,518 |
| All Country Flags of the World | 0 | - | 5.00 | 3,610,000 |
| Top World Languages | 0 | - | 4.92 | 814,214 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,612 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,259 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,657 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,688 |
| Longest International Borders | 0 | - | 4.99 | 263,951 |
| Countries with Three Borders | 0 | - | 4.96 | 36,243 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,642 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,736 |
| Demonym of Every Country | 0 | - | 4.91 | 58,725 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,592,031 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,235 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,984 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,811 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,937 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,005 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,919 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,902 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,191 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,612 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,301 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,451 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,991 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,205 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,646 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,033 |
| Countries with Megacities | 0 | - | 4.99 | 247,618 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,295 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,039 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,496 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,568 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,213 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,897 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,829 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,141 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,508 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,838 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,908 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,352 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,063 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,648 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,693 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,651 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,080 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,741 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,168 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,270 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,830 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,813 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,089 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,144 |
| North American Sports Cities | 0 | - | 4.83 | 171,033 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,954 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,986 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,826 |
| Cities by Former Name | 0 | - | 4.84 | 91,054 |
| Africa Capitals Quiz | 0 | - | 4.99 | 731,200 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,786 |
