| Countries With No Rivers | 0 | - | 4.96 | 76,075 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,310 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,388 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,323 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,816 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,281 |
| African Great Lakes | 0 | - | 4.82 | 65,309 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,971 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,410 |
| Countries with Fjords | 0 | - | 4.93 | 100,263 |
| Biggest City by River | 0 | - | 4.41 | 52,708 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,104 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,900 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,785 |
| Capitals by River | 0 | - | 4.55 | 48,243 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,858 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,840 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,267 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,767 |
| North Sea Countries | 0 | - | 4.92 | 86,653 |
| Black Sea Countries | 0 | - | 4.87 | 60,362 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,051 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,145 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,975 |
| Rivers of the United States | 0 | - | 4.93 | 65,594 |
| All Country Flags of the World | 0 | - | 5.00 | 3,609,329 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,336 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,926 |
| Megadiverse Countries | 0 | - | 4.97 | 133,963 |
| Countries by Road Signs | 0 | - | 4.98 | 53,186 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,094 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,650 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,015 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,111 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,019 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,348 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,667 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,349 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,457 |
| Flags with Crescents | 0 | - | 4.98 | 167,795 |
| Country Flag Trivia | 0 | - | 4.81 | 56,034 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,558 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,554 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,132 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,487 |
| Asian Physical Geography | 0 | - | 4.61 | 35,386 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,753 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,461 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,739 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,518 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,029 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,478 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,187 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,618 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,150 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,514 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,531 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,865 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,592 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,777 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,786 |
| Pixelated World Map | 0 | - | 5.00 | 142,546 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,526 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,837 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,927 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,688 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,413 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,916 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,336 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,740 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,689 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,964 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,112 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,291 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,413 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,304 |
| World Coats of Arms | 0 | - | 4.99 | 63,944 |
| Landforms by Country | 0 | - | 4.52 | 51,922 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,474 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,096 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,262 |
| Flags of North and South America | 0 | - | 4.99 | 368,129 |
| Flags to Languages | 0 | - | 4.95 | 172,640 |
| Former Flags | 0 | - | 4.97 | 106,833 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,008 |
| Seas of Europe | 0 | - | 4.37 | 83,843 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,670 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,873 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,552 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,090 |
| Flags of Oceania | 0 | - | 5.00 | 255,729 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,028 |
| Rivers A-Z | 0 | - | 4.35 | 32,701 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,939 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,687 |
| Sea in the Answers | 0 | - | 4.10 | 48,590 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,165 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,522 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,910 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,492 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 30,975 |
| Geography by Picture - B | 0 | - | 4.42 | 55,437 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,892 |
| Geography by Picture - T | 0 | - | 4.54 | 57,700 |
| Geological Extremes | 0 | - | 4.34 | 39,952 |
| African Physical Geography | 0 | - | 4.51 | 31,580 |
| European Physical Geography | 0 | - | 4.26 | 33,385 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,739 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,495 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,141 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,701 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,632 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,592 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,715 |
| Boundary Waters | 0 | - | 4.92 | 88,081 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,851 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,392 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,441 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,909 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,980,862 |
| Landlocked Countries | 0 | - | 4.99 | 414,369 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,824 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,658 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,632 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 137,914 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,185 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,794 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,640 |
| Satellite Images #1 | 0 | - | 4.46 | 129,058 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,026 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,680 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,313 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,680 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,826 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,433 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,637 |
| South American Physical Geography | 0 | - | 4.58 | 18,280 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,217 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,084 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,899 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,183 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,075 |
| World Capitals Quiz | 0 | - | 5.00 | 5,036,487 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,896 |
| Himalayan Countries | 0 | - | 4.95 | 135,619 |
| Andean Countries | 0 | - | 4.94 | 82,968 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,331 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,379 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,033 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,711 |
| Danube Countries | 0 | - | 4.97 | 71,153 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,856 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,612 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,640 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,552 |
| European Landlocked Countries | 0 | - | 4.99 | 145,854 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,316 |
| Countries with the Most Species | 0 | - | 4.99 | 95,287 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,468 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,225 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,396 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,000 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,640 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,007 |
| Countries in the Alps | 0 | - | 4.86 | 116,948 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,654 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,398 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,077 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,484 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,266 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,068 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,668 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,822 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,549 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,127 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,222 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,087 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,510 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,807 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,091 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,723 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,867 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,715 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,804 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,225 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,717 |
| Similar Flags #1 | 0 | - | 4.74 | 129,223 |
| Similar Flags #2 | 0 | - | 4.74 | 136,477 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,297 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,249 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,873 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,678 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,920 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,663 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,508 |
| Largest Countries By Category | 0 | - | 4.97 | 156,881 |
| Countries by Countries | 0 | - | 4.96 | 62,334 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,521 |
