| All Country Flags of the World | 0 | - | 5.00 | 3,056,953 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,390,224 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,015,431 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 680,432 |
| Flags with Crescents | 0 | - | 4.98 | 146,424 |
| Country Flag Trivia | 0 | - | 4.81 | 45,319 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 78,099 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 57,608 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.82 | 43,197 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,973 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 90,388 |
| Flags with the Most Stars | 0 | - | 4.90 | 108,366 |
| Flags that are Red & White Only | 0 | - | 4.97 | 132,408 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 127,877 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 37,532 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,571 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 44,459 |
| Country Flags with the Most Red | 0 | - | 4.97 | 93,701 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 81,105 |
| Country Flags with the Most Green | 0 | - | 4.95 | 81,786 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 83,233 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 89,294 |
| Country Flags with the Most Black | 0 | - | 4.94 | 87,735 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 56,120 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,561 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,810 |
| Countries by Partial Flag Images #4 | 0 | - | 4.90 | 63,695 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 49,421 |
| Countries With Blue and White Flags | 0 | - | 4.89 | 82,710 |
| Flags to Languages | 0 | - | 4.95 | 160,657 |
| Former Flags | 0 | - | 4.97 | 82,870 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 35,077 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 28,491 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 316,111 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.92 | 27,158 |
| Random Flag to Country | 0 | - | 4.99 | 516,049 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 95,109 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 76,281 |
| Flags of the Mediterranean | 0 | - | 4.93 | 125,908 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 116,988 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 131,547 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,655 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,969 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,869 |
| World Coats of Arms | 0 | - | 4.99 | 56,702 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.83 | 87,660 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 52,146 |
| Similar Flags #1 | 0 | - | 4.75 | 112,647 |
| Similar Flags #2 | 0 | - | 4.78 | 114,837 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 127,778 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 42,609 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 153,562 |
| Emoji Flags | 0 | - | 4.34 | 41,110 |
| Countries by Road Signs | 0 | - | 4.98 | 46,296 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,814 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,341 |
| Select the World Flags | 0 | - | 4.31 | 33,891 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,919 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 67,792 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,888 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,892 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,986 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,913 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,227 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,689 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,548 |
| Countries by Picture #1 | 0 | - | 4.51 | 91,049 |
| Countries by Picture #3 | 0 | - | 4.52 | 55,252 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 43,019 |
| Name a Valid Country Flag | 0 | - | 4.56 | 49,114 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,066,737 |
| Flags of Asia Quiz | 0 | - | 4.99 | 534,967 |
| Pixelated World Map | 0 | - | 5.00 | 130,608 |
| Flags of Africa Quiz | 0 | - | 4.99 | 396,398 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 68,156 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,966 |
| European Cities by Picture #2 | 0 | - | 4.44 | 35,154 |
| Boundary Waters | 0 | - | 4.93 | 82,023 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 76,411 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 47,158 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,567 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 61,515 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,997 |
| Cities by Satellite #2 | 0 | - | 4.47 | 23,074 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,385 |
| Countries by Picture #2 | 0 | - | 4.37 | 65,136 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,364 |
| Countries by Picture #6 | 0 | - | 4.14 | 34,001 |
| Geography by Picture - H | 0 | - | 4.51 | 55,622 |
| Geography by Picture - N | 0 | - | 4.46 | 39,944 |
| Geography by Picture - R | 0 | - | 4.54 | 38,934 |
| Geography by Picture - T | 0 | - | 4.56 | 55,248 |
| Flags of Oceania | 0 | - | 5.00 | 220,635 |
| Three Band Flags of Europe | 0 | - | 4.97 | 174,113 |
| Pixelated Africa Map | 0 | - | 4.98 | 89,795 |
| Pixelated Asia Map | 0 | - | 4.90 | 64,467 |
| Pixelated Europe Map | 0 | - | 4.90 | 111,014 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,767,170 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,787 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 334,435 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 376,581 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,598 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,465 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 85,035 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,290 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 36,057 |
| Cities by Picture #1 | 0 | - | 4.70 | 78,360 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.51 | 23,673 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,279 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,646 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,824 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,563 |
| World Capitals Quiz | 0 | - | 5.00 | 4,576,474 |
| Members of the Arab League | 0 | - | 4.86 | 66,321 |
| Sahara Desert Countries | 0 | - | 4.97 | 130,512 |
| Himalayan Countries | 0 | - | 4.94 | 108,456 |
| Andean Countries | 0 | - | 4.91 | 60,223 |
| Countries with the Oldest Median Age | 0 | - | 4.82 | 61,403 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,864 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 104,485 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,860 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 54,276 |
| Danube Countries | 0 | - | 4.96 | 57,238 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,253 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,309 |
| Countries with the Best Passports | 0 | - | 4.86 | 72,738 |
| Countries with the Worst Passports | 0 | - | 4.89 | 50,424 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 111,056 |
| European Landlocked Countries | 0 | - | 4.99 | 137,059 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,827 |
| Countries with the Most Species | 0 | - | 4.99 | 89,862 |
| Countries 197 to 205 | 0 | - | 4.87 | 57,362 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 45,030 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,324 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 49,077 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,888 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 59,139 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,938 |
| Countries in the Alps | 0 | - | 4.84 | 103,892 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 86,454 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 89,570 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 72,298 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,393 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,914 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 88,363 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,573 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,782 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,705 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,431 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 70,193 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 49,037 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 37,035 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,592 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,686 |
| Countries with the Most Grassland | 0 | - | 4.94 | 70,259 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 100,600 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,970 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 54,061 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 202,656 |
| World Countries - Blind Typing | 0 | - | 5.00 | 75,449 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,846 |
| Largest Countries By Category | 0 | - | 4.97 | 146,466 |
| Countries by Countries | 0 | - | 4.95 | 55,626 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,172,233 |
| Country Flags with the Most White | 0 | - | 4.90 | 126,570 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 59,213 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 45,144 |
| All Countries by Population With a Map | 0 | - | 4.99 | 65,041 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 78,027 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 79,639 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,229,195 |
| Merged Countries #2 | 0 | - | 4.96 | 90,774 |
| Merged Countries #4 | 0 | - | 4.86 | 85,786 |
| Merged Countries #6 | 0 | - | 4.90 | 66,267 |
| Merged Countries #7 | 0 | - | 4.94 | 75,458 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.99 | 136,295 |
| Western Europe Map Quiz | 0 | - | 4.87 | 89,726 |
| Geography by Picture - A | 0 | - | 4.35 | 57,356 |
| Geography by Picture - B | 0 | - | 4.37 | 52,852 |
| Geography by Picture - D | 0 | - | 4.13 | 43,503 |
| Geography by Picture - F | 0 | - | 4.29 | 48,670 |
| Geography by Picture - G | 0 | - | 4.39 | 45,718 |
| Geography by Picture - J | 0 | - | 4.14 | 36,663 |
| Geography by Picture - C | 0 | - | 4.28 | 54,596 |
| Geography by Picture - L | 0 | - | 4.34 | 56,255 |
| Geography by Picture - M | 0 | - | 4.11 | 38,656 |
| Geography by Picture - P | 0 | - | 4.26 | 40,468 |
| Geography by Picture - S | 0 | - | 4.35 | 44,918 |
| Tourist Attraction by Negative Review | 0 | - | 4.91 | 60,565 |
| Who Controls It? #1 | 0 | - | 4.83 | 45,884 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 183,338 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,902 |
| Longest International Borders | 0 | - | 4.99 | 236,684 |
| Countries with Three Borders | 0 | - | 4.96 | 32,143 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,880 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 41,396 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,796 |
| Demonym of Every Country | 0 | - | 4.91 | 50,829 |
| Islands by Shape #1 | 0 | - | 4.28 | 71,833 |
| Islands by Picture | 0 | - | 4.29 | 94,119 |
