| All Country Flags of the World | 0 | - | 5.00 | 2,916,865 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,348,824 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 993,655 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 665,893 |
| Flags with Crescents | 0 | - | 4.98 | 141,391 |
| Country Flag Trivia | 0 | - | 4.87 | 42,764 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 74,553 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 54,976 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 41,017 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 111,839 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 87,765 |
| Flags with the Most Stars | 0 | - | 4.90 | 104,517 |
| Flags that are Red & White Only | 0 | - | 4.97 | 130,005 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 123,793 |
| Flags of the Countries with Four Letters | 0 | - | 4.92 | 33,873 |
| Four Countries with Similar Flags #2 | 0 | - | 4.88 | 34,698 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 42,474 |
| Country Flags with the Most Red | 0 | - | 4.97 | 89,546 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 78,019 |
| Country Flags with the Most Green | 0 | - | 4.95 | 78,186 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 79,806 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 76,612 |
| Country Flags with the Most Black | 0 | - | 4.94 | 84,862 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 54,907 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,476 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,141 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 62,165 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 47,769 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 81,600 |
| Flags to Languages | 0 | - | 4.95 | 134,284 |
| Former Flags | 0 | - | 4.98 | 80,605 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 32,659 |
| Countries by Partial Flag Images #6 | 0 | - | 4.92 | 26,403 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 306,260 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,089 |
| Random Flag to Country | 0 | - | 4.99 | 499,178 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 93,317 |
| Countries by Bordering Flags #2 | 0 | - | 4.89 | 74,830 |
| Flags of the Mediterranean | 0 | - | 4.94 | 122,948 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 113,320 |
| Countries by Satellite Image #1 | 0 | - | 4.87 | 128,124 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,226 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,081 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 57,792 |
| World Coats of Arms | 0 | - | 4.99 | 54,805 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 85,508 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,217 |
| Similar Flags #1 | 0 | - | 4.72 | 109,817 |
| Similar Flags #2 | 0 | - | 4.79 | 111,595 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 124,175 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 39,377 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 148,812 |
| Emoji Flags | 0 | - | 4.34 | 40,287 |
| Countries by Road Signs | 0 | - | 4.98 | 44,671 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,139 |
| Islands by Shape #2 | 0 | - | 4.87 | 44,750 |
| Select the World Flags | 0 | - | 4.29 | 32,773 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,270 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 65,608 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 53,645 |
| Countries by Satellite Image #3 | 0 | - | 4.66 | 65,665 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 63,672 |
| Countries by Satellite Image #4 | 0 | - | 4.72 | 61,761 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,526 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.76 | 40,969 |
| Countries by Coat of Arms #2 | 0 | - | 4.76 | 32,058 |
| Countries by Picture #1 | 0 | - | 4.51 | 88,394 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,059 |
| Guess the Country by a Picture Hint | 0 | - | 4.41 | 41,609 |
| Name a Valid Country Flag | 0 | - | 4.57 | 45,428 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,032,179 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,631 |
| Pixelated World Map | 0 | - | 5.00 | 126,885 |
| Flags of Africa Quiz | 0 | - | 4.99 | 380,833 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.41 | 65,639 |
| Satellite Images - Europe | 0 | - | 4.44 | 80,473 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,234 |
| Boundary Waters | 0 | - | 4.93 | 80,445 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,762 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 43,385 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 50,472 |
| Cities by Satellite #1 | 0 | - | 4.36 | 69,515 |
| Cities by Satellite #2 | 0 | - | 4.46 | 22,598 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,508 |
| Countries by Picture #2 | 0 | - | 4.37 | 63,586 |
| Countries by Picture #5 | 0 | - | 4.26 | 39,471 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,367 |
| Geography by Picture - G | 0 | - | 4.41 | 45,051 |
| Geography by Picture - H | 0 | - | 4.52 | 54,802 |
| Geography by Picture - N | 0 | - | 4.46 | 39,263 |
| Geography by Picture - R | 0 | - | 4.55 | 38,315 |
| Geography by Picture - T | 0 | - | 4.64 | 54,370 |
| Flags of Oceania | 0 | - | 5.00 | 212,533 |
| Three Band Flags of Europe | 0 | - | 4.97 | 159,493 |
| Pixelated Africa Map | 0 | - | 4.98 | 87,048 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,479 |
| Pixelated Europe Map | 0 | - | 4.89 | 108,474 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,436,136 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.82 | 29,784 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,175 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 336,526 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,130 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,174 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 83,765 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,372 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,298 |
| Cities by Picture #1 | 0 | - | 4.66 | 76,244 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,363 |
| World Geography on a Map #1 | 0 | - | 4.93 | 66,806 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 82,837 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,124 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,809 |
| World Capitals Quiz | 0 | - | 5.00 | 4,457,438 |
| Countries on the Equator | 0 | - | 4.82 | 132,312 |
| Members of the Arab League | 0 | - | 4.82 | 59,118 |
| Sahara Desert Countries | 0 | - | 4.97 | 125,069 |
| Himalayan Countries | 0 | - | 4.95 | 102,373 |
| Andean Countries | 0 | - | 4.90 | 56,864 |
| Countries with the Oldest Median Age | 0 | - | 4.85 | 57,705 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 48,543 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 101,862 |
| Coffee Producing Countries | 0 | - | 4.82 | 53,523 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 52,700 |
| Danube Countries | 0 | - | 4.97 | 56,350 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,385 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,586 |
| Countries with the Best Passports | 0 | - | 4.86 | 70,278 |
| Countries with the Worst Passports | 0 | - | 4.86 | 48,756 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 108,358 |
| European Landlocked Countries | 0 | - | 4.99 | 114,828 |
| Partially Recognized Countries | 0 | - | 4.98 | 88,733 |
| Countries with the Most Species | 0 | - | 4.99 | 89,079 |
| Countries 197 to 205 | 0 | - | 4.88 | 55,797 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,426 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 43,802 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 47,741 |
| Countries that Use the Peso | 0 | - | 4.81 | 46,100 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,441 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 48,664 |
| Countries in the Alps | 0 | - | 4.82 | 101,779 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 84,592 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 85,731 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,105 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 77,685 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 93,332 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 86,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,011 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 45,733 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,056 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,123 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 68,889 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,323 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,399 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 94,939 |
| Arctic Ocean Countries | 0 | - | 4.93 | 71,472 |
| Countries with the Most Grassland | 0 | - | 4.93 | 68,943 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 96,528 |
| Countries with the Most Climate Zones | 0 | - | 4.97 | 60,933 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 52,930 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 192,590 |
| World Countries - Blind Typing | 0 | - | 5.00 | 71,291 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 41,934 |
| Largest Countries By Category | 0 | - | 4.96 | 143,837 |
| Countries by Countries | 0 | - | 4.95 | 54,046 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,015,101 |
| Country Flags with the Most White | 0 | - | 4.90 | 107,609 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,359 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,424 |
| All Countries by Population With a Map | 0 | - | 4.98 | 60,545 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 75,922 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 77,282 |
| Merged Countries #2 | 0 | - | 4.96 | 88,894 |
| Merged Countries #4 | 0 | - | 4.87 | 83,452 |
| Merged Countries #6 | 0 | - | 4.88 | 64,456 |
| Merged Countries #7 | 0 | - | 4.93 | 73,636 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 133,308 |
| Western Europe Map Quiz | 0 | - | 4.86 | 88,822 |
| Geography by Picture - A | 0 | - | 4.35 | 56,496 |
| Geography by Picture - B | 0 | - | 4.36 | 52,070 |
| Geography by Picture - D | 0 | - | 4.10 | 42,926 |
| Geography by Picture - F | 0 | - | 4.25 | 47,979 |
| Geography by Picture - J | 0 | - | 4.14 | 36,127 |
| Geography by Picture - C | 0 | - | 4.28 | 53,888 |
| Geography by Picture - L | 0 | - | 4.34 | 55,437 |
| Geography by Picture - M | 0 | - | 4.11 | 38,160 |
| Geography by Picture - P | 0 | - | 4.28 | 39,862 |
| Geography by Picture - S | 0 | - | 4.35 | 44,239 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 59,157 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,239 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 180,051 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 110,191 |
| Longest International Borders | 0 | - | 4.99 | 232,694 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 35,385 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 39,309 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 34,180 |
| Demonym of Every Country | 0 | - | 4.91 | 48,789 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,353 |
| Islands by Picture | 0 | - | 4.31 | 90,091 |
| Former Countries by Territory Map | 0 | - | 4.96 | 84,689 |
| Empires by Maps | 0 | - | 4.98 | 92,518 |
