| Countries With No Rivers | 0 | - | 4.96 | 76,703 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,984 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,606 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,362 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,625 |
| African Great Lakes | 0 | - | 4.82 | 66,061 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,352 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,762 |
| Countries with Fjords | 0 | - | 4.94 | 100,785 |
| Biggest City by River | 0 | - | 4.41 | 52,826 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,334 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,353 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,040 |
| Capitals by River | 0 | - | 4.55 | 48,291 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,523 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,112 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,745 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,984 |
| North Sea Countries | 0 | - | 4.92 | 87,308 |
| Black Sea Countries | 0 | - | 4.87 | 60,578 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,322 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,417 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,188 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,431 |
| Rivers of the United States | 0 | - | 4.93 | 66,080 |
| All Country Flags of the World | 0 | - | 5.00 | 3,649,969 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,495 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,036 |
| Megadiverse Countries | 0 | - | 4.96 | 134,770 |
| Countries by Road Signs | 0 | - | 4.98 | 53,654 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,455 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,534,800 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,722 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,647 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,204 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,488 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,306 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,923 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,962 |
| Flags with Crescents | 0 | - | 4.98 | 169,127 |
| Country Flag Trivia | 0 | - | 4.81 | 56,813 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,468 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,268 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,637 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,689 |
| African Physical Geography | 0 | - | 4.51 | 31,661 |
| Asian Physical Geography | 0 | - | 4.60 | 35,483 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,419 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,610 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,791 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,315 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,376 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,740 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,335 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,596 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,101 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,075 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,032 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,715 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,814 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,342 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,320 |
| Pixelated World Map | 0 | - | 5.00 | 143,169 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,211 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,338 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,455 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,206 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,919 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,372 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,627 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,017 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,292 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,593 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,808 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,907 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,694 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,671 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,447 |
| World Coats of Arms | 0 | - | 4.99 | 64,357 |
| Landforms by Country | 0 | - | 4.52 | 51,960 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,008 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,363 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,489 |
| Flags of North and South America | 0 | - | 4.99 | 372,052 |
| Flags to Languages | 0 | - | 4.95 | 173,427 |
| Former Flags | 0 | - | 4.97 | 107,501 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,200 |
| Seas of Europe | 0 | - | 4.37 | 84,584 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,873 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,317 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,219 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,795 |
| Flags of Oceania | 0 | - | 5.00 | 258,271 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,949 |
| Rivers A-Z | 0 | - | 4.35 | 32,768 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,635 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,261 |
| Sea in the Answers | 0 | - | 4.10 | 48,832 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,681 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,019 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,527 |
| 20 Random Country Flags | 0 | - | 4.99 | 610,619 |
| Geography by Picture - B | 0 | - | 4.42 | 55,561 |
| Geography by Picture - H | 0 | - | 4.50 | 58,184 |
| Geography by Picture - N | 0 | - | 4.45 | 42,174 |
| Geography by Picture - R | 0 | - | 4.56 | 40,991 |
| Geography by Picture - T | 0 | - | 4.54 | 57,808 |
| Geological Extremes | 0 | - | 4.34 | 40,008 |
| European Physical Geography | 0 | - | 4.26 | 33,475 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,895 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,691 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,592 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,033 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,307 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,335 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,903 |
| Boundary Waters | 0 | - | 4.92 | 88,381 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,085 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,917 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,346 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,337,467 |
| Landlocked Countries | 0 | - | 4.99 | 418,991 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,053 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,880 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,816 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,287 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,390 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 100,490 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,019 |
| Satellite Images #1 | 0 | - | 4.47 | 129,296 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,244 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,867 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,804 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,869 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,943 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,864 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,674 |
| South American Physical Geography | 0 | - | 4.58 | 18,332 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,501 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,625 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,681 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,912 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,722 |
| World Capitals Quiz | 0 | - | 5.00 | 5,063,974 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,015 |
| Himalayan Countries | 0 | - | 4.94 | 137,447 |
| Andean Countries | 0 | - | 4.95 | 83,949 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,236 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,678 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,842 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,359 |
| Danube Countries | 0 | - | 4.97 | 71,669 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,559 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,061 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,664 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,739 |
| European Landlocked Countries | 0 | - | 4.99 | 146,781 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,143 |
| Countries with the Most Species | 0 | - | 4.99 | 102,913 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,275 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,433 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,590 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,306 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,994 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,368 |
| Countries in the Alps | 0 | - | 4.87 | 117,698 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,139 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,373 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,425 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,993 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,102 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,617 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,290 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,192 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,971 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,557 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,482 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,341 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,929 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,190 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,314 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,990 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,098 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,863 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,211 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,195 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,066 |
| Similar Flags #1 | 0 | - | 4.75 | 129,796 |
| Similar Flags #2 | 0 | - | 4.74 | 137,106 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,575 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,424 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,534 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,402 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,238 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,001 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,566 |
| Largest Countries By Category | 0 | - | 4.97 | 157,647 |
| Countries by Countries | 0 | - | 4.96 | 62,844 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,215 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,163 |
