| Natural Features of Countries #1 | 0 | - | 4.87 | 83,883 |
| Countries with Fjords | 0 | - | 4.94 | 101,006 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,716 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,061 |
| North Sea Countries | 0 | - | 4.92 | 87,464 |
| Black Sea Countries | 0 | - | 4.87 | 60,643 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,434 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,538 |
| Countries With No Rivers | 0 | - | 4.96 | 76,888 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,268 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,245 |
| All Country Flags of the World | 0 | - | 5.00 | 3,675,927 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,618 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,779 |
| African Great Lakes | 0 | - | 4.82 | 66,418 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,544 |
| Megadiverse Countries | 0 | - | 4.96 | 134,981 |
| Countries by Road Signs | 0 | - | 4.98 | 53,988 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,716 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,266 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,927 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,153 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,323 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,534 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,457 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,127 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,584 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,736 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,941 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,267 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,277 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,915 |
| Flags with Crescents | 0 | - | 4.98 | 169,971 |
| Country Flag Trivia | 0 | - | 4.81 | 57,255 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,035 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,727 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,989 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,803 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,215 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,009 |
| African Physical Geography | 0 | - | 4.51 | 31,730 |
| Asian Physical Geography | 0 | - | 4.61 | 35,557 |
| Rivers of the United States | 0 | - | 4.93 | 66,290 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,308 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,330 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,816 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,586 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,123 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,823 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,048 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,130 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,318 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,825 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,529 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,656 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,369 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,557 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,775 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,708 |
| Pixelated World Map | 0 | - | 5.00 | 143,575 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,698 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,723 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,818 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,602 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,245 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,686 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,809 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,207 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,594 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,935 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,129 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,232 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,087 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,840 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,537 |
| World Coats of Arms | 0 | - | 4.99 | 64,653 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,316 |
| Landforms by Country | 0 | - | 4.52 | 51,980 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,358 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,549 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,659 |
| Flags of North and South America | 0 | - | 4.99 | 373,972 |
| Flags to Languages | 0 | - | 4.95 | 173,855 |
| Former Flags | 0 | - | 4.97 | 107,916 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,108 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,017 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,591 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,626 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,204 |
| Flags of Oceania | 0 | - | 5.00 | 260,226 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,605 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,997 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,350 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,937 |
| Capitals by River | 0 | - | 4.55 | 48,338 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,113 |
| Geography by Picture - B | 0 | - | 4.42 | 55,660 |
| Geography by Picture - H | 0 | - | 4.50 | 58,271 |
| Geography by Picture - N | 0 | - | 4.45 | 42,238 |
| Geography by Picture - R | 0 | - | 4.56 | 41,063 |
| Geography by Picture - T | 0 | - | 4.54 | 57,888 |
| 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 | 31,041 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,788 |
| Biggest City by River | 0 | - | 4.38 | 52,878 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,871 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,267 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,749 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,777 |
| Boundary Waters | 0 | - | 4.92 | 88,546 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,228 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,225 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,656 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,571 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,557,581 |
| Landlocked Countries | 0 | - | 4.99 | 421,650 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,020 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,922 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,250 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,121 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,841 |
| Satellite Images #1 | 0 | - | 4.47 | 129,449 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,374 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,969 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,994 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,028 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,131 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,695 |
| South American Physical Geography | 0 | - | 4.58 | 18,365 |
| Seas of Europe | 0 | - | 4.37 | 84,709 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,692 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,986 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,364 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,369 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,132 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,450 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,292 |
| Himalayan Countries | 0 | - | 4.95 | 138,581 |
| Andean Countries | 0 | - | 4.93 | 84,526 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,714 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,714 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,347 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,740 |
| Danube Countries | 0 | - | 4.97 | 71,967 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,967 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,384 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,232 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,714 |
| European Landlocked Countries | 0 | - | 4.99 | 147,093 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,574 |
| Countries with the Most Species | 0 | - | 4.99 | 103,202 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,706 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,570 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,706 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,518 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,200 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,623 |
| Countries in the Alps | 0 | - | 4.87 | 118,154 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,895 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,980 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,624 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,566 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,460 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,923 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,630 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,462 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,157 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,633 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,494 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,189 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,437 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,532 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,220 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,301 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,989 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,487 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,826 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,284 |
| Similar Flags #1 | 0 | - | 4.75 | 130,217 |
| Similar Flags #2 | 0 | - | 4.74 | 137,505 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,245 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,563 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,015 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,760 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,003 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,194 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,610 |
| Largest Countries By Category | 0 | - | 4.97 | 158,156 |
| Countries by Countries | 0 | - | 4.96 | 63,164 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,639 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,803 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,478 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,965 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,643 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,404 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,967 |
