| Countries by Satellite Image #1 | 0 | - | 4.88 | 130,627 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,282 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,737 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,380 |
| All Country Flags of the World | 0 | - | 5.00 | 3,015,326 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,378,856 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,009,328 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 676,353 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 62,883 |
| Flags with Crescents | 0 | - | 4.98 | 145,039 |
| Country Flag Trivia | 0 | - | 4.81 | 44,653 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,134 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 56,941 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.85 | 42,599 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,282 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,189 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,809 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,070 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 35,860 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,601 |
| World Coats of Arms | 0 | - | 4.99 | 56,141 |
| Flags to Languages | 0 | - | 4.95 | 159,765 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,535 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,631 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,583 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,056 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,481 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,531 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 26,062 |
| Geography by Picture - H | 0 | - | 4.52 | 55,399 |
| Geography by Picture - N | 0 | - | 4.46 | 39,753 |
| Geography by Picture - R | 0 | - | 4.54 | 38,776 |
| Geography by Picture - T | 0 | - | 4.63 | 55,006 |
| Countries by Road Signs | 0 | - | 4.98 | 45,822 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 115,831 |
| Islands by Satellite Image #2 | 0 | - | 4.30 | 17,832 |
| Islands by Shape #2 | 0 | - | 4.86 | 45,169 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,280 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,919 |
| Geography by Picture - A | 0 | - | 4.35 | 57,109 |
| Geography by Picture - B | 0 | - | 4.36 | 52,623 |
| Geography by Picture - D | 0 | - | 4.10 | 43,335 |
| Geography by Picture - F | 0 | - | 4.25 | 48,462 |
| Geography by Picture - G | 0 | - | 4.39 | 45,518 |
| Geography by Picture - J | 0 | - | 4.14 | 36,500 |
| Geography by Picture - C | 0 | - | 4.28 | 54,392 |
| Geography by Picture - L | 0 | - | 4.34 | 56,033 |
| Geography by Picture - M | 0 | - | 4.11 | 38,499 |
| Geography by Picture - P | 0 | - | 4.28 | 40,292 |
| Geography by Picture - S | 0 | - | 4.35 | 44,739 |
| Random Flags Quiz | 0 | - | 4.41 | 257,800 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,758 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,411 |
| Countries by Picture #1 | 0 | - | 4.51 | 90,246 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,875 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,606 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 362,013 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,056,688 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,060 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 113,990 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 89,601 |
| Flags with the Most Stars | 0 | - | 4.91 | 106,947 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,550 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 126,779 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 36,426 |
| African Island Countries | 0 | - | 4.96 | 90,411 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,006 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,835 |
| Pixelated World Map | 0 | - | 5.00 | 129,408 |
| Country Flags with the Most Red | 0 | - | 4.97 | 92,329 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 80,060 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,681 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 82,020 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 78,520 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,773 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,764 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,263 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,309 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 63,234 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 48,913 |
| Islands by Country #1 | 0 | - | 4.87 | 164,339 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,414 |
| Flags of Africa Quiz | 0 | - | 4.99 | 391,931 |
| Emoji Flags | 0 | - | 4.34 | 40,894 |
| Former Flags | 0 | - | 4.98 | 82,256 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 63,795 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,428 |
| Geography by Picture - E | 0 | - | 3.53 | 45,649 |
| Landforms by Picture | 0 | - | 4.35 | 19,088 |
| Geography by Picture - I | 0 | - | 3.97 | 37,702 |
| Geography by Picture - K | 0 | - | 4.29 | 31,236 |
| Richest Island Countries | 0 | - | 4.87 | 88,308 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 27,862 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,123 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,686 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,084 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,817 |
| Flags of Oceania | 0 | - | 5.00 | 218,263 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,100 |
| Three Band Flags of Europe | 0 | - | 4.97 | 162,437 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,566 |
| Select the World Flags | 0 | - | 4.31 | 33,581 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 124,343 |
| A-Z Cities by Pictures | 0 | - | 4.54 | 39,721 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,959 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,905 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,326 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,928 |
| Boundary Waters | 0 | - | 4.93 | 81,578 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,779 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 46,175 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,042 |
| Random Flag to Country | 0 | - | 4.99 | 511,411 |
| Countries by Bordering Flags #1 | 0 | - | 4.93 | 94,601 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 75,876 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,980 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,326 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,387,505 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 329,989 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 23,588 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,572 |
| World Capitals Quiz | 0 | - | 5.00 | 4,537,589 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,125,984 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,194,805 |
| Geography by Picture - O | 0 | - | 4.00 | 26,543 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 87,047 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,689 |
| Islands by Picture | 0 | - | 4.31 | 93,049 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,875 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 84,984 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,630 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,695 |
| Biggest City by Island | 0 | - | 4.57 | 45,960 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.95 | 110,806 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,396,628 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 343,084 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 359,301 |
| Members of the Arab League | 0 | - | 4.85 | 64,617 |
| Island Countries Quiz | 0 | - | 4.99 | 664,974 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,933 |
| Himalayan Countries | 0 | - | 4.95 | 106,883 |
| Andean Countries | 0 | - | 4.91 | 59,437 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,506 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,274 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,639 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,543 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,842 |
| Danube Countries | 0 | - | 4.96 | 56,992 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,012 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,114 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,055 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,947 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,235 |
| European Landlocked Countries | 0 | - | 4.99 | 136,487 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,360 |
| Countries with the Most Species | 0 | - | 4.99 | 89,703 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,861 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,883 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,178 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,706 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,664 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,937 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,553 |
| Countries in the Alps | 0 | - | 4.84 | 103,322 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,937 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,401 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,966 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,023 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,489 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,995 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,153 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,497 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,531 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,090 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,845 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,815 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,866 |
| Asian Island Nations | 0 | - | 4.66 | 89,128 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,198 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,358 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,926 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,875 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,424 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,679 |
| Similar Flags #1 | 0 | - | 4.74 | 111,690 |
| Similar Flags #2 | 0 | - | 4.79 | 113,849 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,748 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,524 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,165 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,584 |
| Largest Countries By Category | 0 | - | 4.97 | 145,754 |
| Countries by Countries | 0 | - | 4.96 | 55,153 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,424 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,981 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,926 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,975 |
| Biggest Countries by Area | 0 | - | 5.00 | 940,616 |
| Northernmost Countries | 0 | - | 4.99 | 329,379 |
| Islands by Country #2 | 0 | - | 4.79 | 71,293 |
| Countries of South America | 0 | - | 5.00 | 802,627 |
