| All Country Flags of the World | 0 | - | 5.00 | 3,730,395 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,548,735 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,767 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,465 |
| Flags with Crescents | 0 | - | 4.98 | 171,905 |
| Country Flag Trivia | 0 | - | 4.82 | 58,406 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,291 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,725 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 89,026 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,189 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,243 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,699 |
| 20 Random Country Flags | 0 | - | 4.99 | 621,161 |
| Flags of North and South America | 0 | - | 4.99 | 378,590 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,764 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,757 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,351 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,436 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,924 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,732 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 78,047 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,645 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,584 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,648 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,525 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,576 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,377 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,960 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,375 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,238 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,595 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,067 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,248 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,620 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,870 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,944 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,929 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,898 |
| Flags to Languages | 0 | - | 4.95 | 174,895 |
| Former Flags | 0 | - | 4.97 | 108,903 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,333 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,195 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,153 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,894 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,298 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,457 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,733 |
| Flags of the Mediterranean | 0 | - | 4.95 | 149,614 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,807 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,713 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,869 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,568 |
| Flag Maths | 0 | - | 4.61 | 57,873 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,167 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,316 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,363 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,160 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,705 |
| World Coats of Arms | 0 | - | 4.99 | 65,396 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 55,061 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 173,093 |
| Similar Flags #1 | 0 | - | 4.75 | 131,025 |
| Similar Flags #2 | 0 | - | 4.74 | 138,309 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,238 |
| Emoji Flags | 0 | - | 4.35 | 44,351 |
| Countries by Road Signs | 0 | - | 4.98 | 54,506 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,828 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,332 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,250 |
| Select the World Flags | 0 | - | 4.28 | 38,069 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,627 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,867 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,583 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,626 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,210 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,783 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,612 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,146 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,302 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,882 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,262,798 |
| Flags of Asia Quiz | 0 | - | 4.99 | 622,588 |
| Pixelated World Map | 0 | - | 5.00 | 144,794 |
| Image to Country - Multiple Choice #2 | 0 | - | 4.60 | 44,003 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,733,235 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,762 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,397 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,494 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,776 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,375 |
| Flags of Oceania | 0 | - | 5.00 | 263,764 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,990 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,733 |
| Pixelated Africa Map | 0 | - | 4.98 | 101,058 |
| Pixelated Asia Map | 0 | - | 4.91 | 73,986 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,738 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,559,764 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,772 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,497 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,856 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,484 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,768 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,271 |
| Geography by Picture - B | 0 | - | 4.42 | 55,850 |
| Geography by Picture - H | 0 | - | 4.50 | 58,451 |
| Geography by Picture - N | 0 | - | 4.45 | 42,414 |
| Geography by Picture - R | 0 | - | 4.56 | 41,211 |
| Geography by Picture - T | 0 | - | 4.54 | 58,070 |
| Flags of WW1 | 0 | - | 4.60 | 38,802 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,394 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,056 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,118 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,970 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,697 |
| Name a Valid Asian Country | 0 | - | 4.98 | 122,031 |
| Name a Valid African Country | 0 | - | 4.98 | 155,390 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,220 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,920 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.70 | 1,400,548 |
| Boundary Waters | 0 | - | 4.92 | 88,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,493 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,919 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,656 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,117 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,129 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,040 |
| Countries of the World Quiz | 0 | - | 5.00 | 48,016,861 |
| Landlocked Countries | 0 | - | 4.99 | 427,836 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,347 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 593,550 |
| Random Point on Land to European Country | 0 | - | 4.94 | 78,323 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,896 |
| Merged Countries #2 | 0 | - | 4.96 | 100,026 |
| Merged Countries #4 | 0 | - | 4.81 | 94,236 |
| Merged Countries #6 | 0 | - | 4.90 | 73,947 |
| Merged Countries #7 | 0 | - | 4.93 | 83,298 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,615 |
| Topological Map of Africa Quiz | 0 | - | 4.81 | 21,702 |
| Topological Map of Asia Quiz | 0 | - | 4.83 | 20,596 |
| Satellite Images #1 | 0 | - | 4.46 | 130,157 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 110,008 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,504 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,342 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,300 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,730 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,327 |
| World Geography on a Map #1 | 0 | - | 4.94 | 74,027 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,584 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,248 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,286 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,497 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,901 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,970 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,390 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,479 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,625 |
| Which City in Europe? | 0 | - | 4.83 | 108,052 |
| Sahara Desert Countries | 0 | - | 4.98 | 167,190 |
| Himalayan Countries | 0 | - | 4.93 | 141,071 |
| Andean Countries | 0 | - | 4.94 | 85,930 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 65,032 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,673 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,582 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,781 |
| Danube Countries | 0 | - | 4.97 | 72,625 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,892 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 87,034 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,560 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 151,039 |
| European Landlocked Countries | 0 | - | 4.99 | 147,836 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,629 |
| Countries with the Most Species | 0 | - | 4.99 | 103,682 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,735 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,838 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,982 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,969 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,719 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,188 |
| Countries in the Alps | 0 | - | 4.87 | 119,070 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 103,156 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,274 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,231 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,204 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,436 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,653 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 54,048 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,546 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,359 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,987 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,858 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,720 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,972 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,073 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,296 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,773 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,858 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,929 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,620 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,711 |
