| Natural Features of Countries #1 | 0 | - | 4.87 | 83,886 |
| Countries with Fjords | 0 | - | 4.94 | 101,012 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,721 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,065 |
| North Sea Countries | 0 | - | 4.92 | 87,467 |
| Black Sea Countries | 0 | - | 4.87 | 60,645 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,440 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,540 |
| Countries With No Rivers | 0 | - | 4.96 | 76,891 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,271 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,250 |
| All Country Flags of the World | 0 | - | 5.00 | 3,676,394 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,622 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,783 |
| African Great Lakes | 0 | - | 4.82 | 66,433 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,547 |
| Megadiverse Countries | 0 | - | 4.96 | 134,985 |
| Countries by Road Signs | 0 | - | 4.98 | 53,989 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,720 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,335 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,959 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,173 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,324 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,538 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,459 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,130 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,586 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,737 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,944 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,268 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,279 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,918 |
| Flags with Crescents | 0 | - | 4.98 | 169,980 |
| Country Flag Trivia | 0 | - | 4.81 | 57,264 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,055 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,737 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,000 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,803 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,217 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,014 |
| African Physical Geography | 0 | - | 4.51 | 31,732 |
| Asian Physical Geography | 0 | - | 4.61 | 35,557 |
| Rivers of the United States | 0 | - | 4.93 | 66,296 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,455 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,393 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,816 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,588 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,140 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,826 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,051 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,145 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,335 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,839 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,538 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,672 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,376 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,564 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,782 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,716 |
| Pixelated World Map | 0 | - | 5.00 | 143,580 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,709 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,728 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,826 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,614 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,254 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,691 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,815 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,210 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,602 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,942 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,140 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,245 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,104 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,845 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,540 |
| World Coats of Arms | 0 | - | 4.99 | 64,660 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,322 |
| Landforms by Country | 0 | - | 4.52 | 51,980 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,362 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,553 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,702 |
| Flags of North and South America | 0 | - | 4.99 | 374,007 |
| Flags to Languages | 0 | - | 4.95 | 173,861 |
| Former Flags | 0 | - | 4.97 | 107,924 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,109 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,019 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,595 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,631 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,208 |
| Flags of Oceania | 0 | - | 5.00 | 260,251 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,612 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,002 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,353 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,942 |
| Capitals by River | 0 | - | 4.55 | 48,340 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,148 |
| Geography by Picture - B | 0 | - | 4.42 | 55,661 |
| Geography by Picture - H | 0 | - | 4.50 | 58,272 |
| Geography by Picture - N | 0 | - | 4.45 | 42,239 |
| Geography by Picture - R | 0 | - | 4.56 | 41,063 |
| Geography by Picture - T | 0 | - | 4.54 | 57,889 |
| Geological Extremes | 0 | - | 4.34 | 40,055 |
| European Physical Geography | 0 | - | 4.26 | 33,536 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,043 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,790 |
| Biggest City by River | 0 | - | 4.38 | 52,882 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,876 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,275 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,754 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,784 |
| Boundary Waters | 0 | - | 4.92 | 88,551 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,229 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,234 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,664 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,575 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,561,263 |
| Landlocked Countries | 0 | - | 4.99 | 421,695 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,022 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,924 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,258 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,127 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,855 |
| Satellite Images #1 | 0 | - | 4.47 | 129,453 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,375 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,970 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,996 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,028 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,137 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,695 |
| South American Physical Geography | 0 | - | 4.58 | 18,365 |
| Seas of Europe | 0 | - | 4.37 | 84,712 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,694 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,994 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,373 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,381 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,137 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,743 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,313 |
| Himalayan Countries | 0 | - | 4.95 | 138,603 |
| Andean Countries | 0 | - | 4.93 | 84,533 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,724 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,724 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,361 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,752 |
| Danube Countries | 0 | - | 4.97 | 71,975 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,974 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,389 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,246 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,723 |
| European Landlocked Countries | 0 | - | 4.99 | 147,109 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,581 |
| Countries with the Most Species | 0 | - | 4.99 | 103,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,714 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,574 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,708 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,521 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,204 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,629 |
| Countries in the Alps | 0 | - | 4.87 | 118,164 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,921 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,991 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,626 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,569 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,468 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,926 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,643 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,465 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,162 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,818 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,638 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,500 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,196 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,441 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,538 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,223 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,305 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,990 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,493 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,835 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,287 |
| Similar Flags #1 | 0 | - | 4.75 | 130,228 |
| Similar Flags #2 | 0 | - | 4.74 | 137,511 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,350 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,565 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,030 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,784 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,018 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,202 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,610 |
| Largest Countries By Category | 0 | - | 4.97 | 158,172 |
| Countries by Countries | 0 | - | 4.96 | 63,172 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,650 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,271 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,818 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,556 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,490 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,973 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,651 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,837 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,976 |
