| Countries With No Rivers | 0 | - | 4.96 | 77,061 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,797 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,842 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,924 |
| African Great Lakes | 0 | - | 4.82 | 66,803 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,699 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,990 |
| Countries with Fjords | 0 | - | 4.94 | 101,215 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,556 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,802 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,210 |
| Capitals by River | 0 | - | 4.55 | 48,369 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,239 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,335 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,253 |
| Biggest City by River | 0 | - | 4.38 | 52,933 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,134 |
| North Sea Countries | 0 | - | 4.92 | 87,624 |
| Black Sea Countries | 0 | - | 4.87 | 60,708 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,527 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,628 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,339 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,842 |
| Rivers of the United States | 0 | - | 4.93 | 66,556 |
| All Country Flags of the World | 0 | - | 5.00 | 3,700,789 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,680 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,168 |
| Megadiverse Countries | 0 | - | 4.96 | 135,176 |
| Countries by Road Signs | 0 | - | 4.98 | 54,236 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,948 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,528 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,033 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,652 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,451 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,596 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,144 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,435 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,449 |
| Flags with Crescents | 0 | - | 4.98 | 170,967 |
| Country Flag Trivia | 0 | - | 4.81 | 57,781 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,619 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,190 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,334 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,905 |
| African Physical Geography | 0 | - | 4.51 | 31,788 |
| Asian Physical Geography | 0 | - | 4.61 | 35,597 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,131 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,436 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,843 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,589 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,045 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,176 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,985 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,048 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,554 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,007 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,323 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,024 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,304 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,197 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,123 |
| Pixelated World Map | 0 | - | 5.00 | 143,913 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,137 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,106 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,170 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,960 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,582 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,010 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,991 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,401 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,932 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,287 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,498 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,579 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,530 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,976 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,603 |
| World Coats of Arms | 0 | - | 4.99 | 64,959 |
| Landforms by Country | 0 | - | 4.52 | 52,007 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,543 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,726 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,941 |
| Flags of North and South America | 0 | - | 4.99 | 375,962 |
| Flags to Languages | 0 | - | 4.95 | 174,290 |
| Former Flags | 0 | - | 4.97 | 108,322 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,408 |
| Seas of Europe | 0 | - | 4.37 | 84,845 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,167 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,883 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,006 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,455 |
| Flags of Oceania | 0 | - | 5.00 | 261,922 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,239 |
| Rivers A-Z | 0 | - | 4.35 | 32,839 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,176 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,754 |
| Sea in the Answers | 0 | - | 4.08 | 49,115 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,298 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,641 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,296 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,237 |
| Geography by Picture - B | 0 | - | 4.42 | 55,741 |
| Geography by Picture - H | 0 | - | 4.50 | 58,341 |
| Geography by Picture - N | 0 | - | 4.45 | 42,313 |
| Geography by Picture - R | 0 | - | 4.56 | 41,119 |
| Geography by Picture - T | 0 | - | 4.54 | 57,962 |
| Geological Extremes | 0 | - | 4.34 | 40,093 |
| European Physical Geography | 0 | - | 4.26 | 33,574 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,166 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,841 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,142 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,465 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,129 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,218 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,113 |
| Boundary Waters | 0 | - | 4.92 | 88,696 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,354 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,524 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,826 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,762,613 |
| Landlocked Countries | 0 | - | 4.99 | 424,218 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,294 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,109 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,009 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,638 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,616 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,433 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,691 |
| Satellite Images #1 | 0 | - | 4.47 | 129,611 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,501 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,090 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,386 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,114 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,115 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,451 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,716 |
| South American Physical Geography | 0 | - | 4.58 | 18,388 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,840 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,257 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,770 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,799 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,502 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,557 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,513 |
| Himalayan Countries | 0 | - | 4.94 | 139,674 |
| Andean Countries | 0 | - | 4.94 | 85,135 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,316 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,559 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,891 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,171 |
| Danube Countries | 0 | - | 4.97 | 72,248 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,379 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,680 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,803 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,290 |
| European Landlocked Countries | 0 | - | 4.99 | 147,426 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,040 |
| Countries with the Most Species | 0 | - | 4.99 | 103,454 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,173 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,700 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,810 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,723 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,453 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,875 |
| Countries in the Alps | 0 | - | 4.87 | 118,538 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,215 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,549 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,841 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,851 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,775 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,115 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,963 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,706 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,327 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,041 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,780 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,644 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,421 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,663 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,688 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,392 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,451 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,079 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,749 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,446 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,497 |
| Similar Flags #1 | 0 | - | 4.75 | 130,568 |
| Similar Flags #2 | 0 | - | 4.74 | 137,871 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,446 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,664 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,446 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,096 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,770 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,408 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,649 |
| Largest Countries By Category | 0 | - | 4.97 | 158,598 |
| Countries by Countries | 0 | - | 4.96 | 63,479 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,051 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,358 |
