| All Country Flags of the World | 0 | - | 5.00 | 3,016,215 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,379,096 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,009,441 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 676,453 |
| Flags with Crescents | 0 | - | 4.98 | 145,070 |
| Country Flag Trivia | 0 | - | 4.81 | 44,675 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 77,149 |
| Country Flags with the Union Jack | 0 | - | 4.83 | 56,956 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.85 | 42,611 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 114,004 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 89,612 |
| Flags with the Most Stars | 0 | - | 4.91 | 106,978 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,563 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 126,814 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 36,447 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 36,013 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,848 |
| Country Flags with the Most Red | 0 | - | 4.97 | 92,337 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 80,069 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,690 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 82,032 |
| Country Flags with the Most Yellow | 0 | - | 4.93 | 78,527 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,784 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,771 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 44,268 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 82,320 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 63,243 |
| Countries by Partial Flag Images #5 | 0 | - | 4.97 | 48,921 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,420 |
| Flags to Languages | 0 | - | 4.95 | 159,790 |
| Former Flags | 0 | - | 4.98 | 82,263 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 34,439 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 27,876 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 313,170 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,934 |
| Random Flag to Country | 0 | - | 4.99 | 511,486 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 94,609 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 75,888 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,995 |
| Country Flags Multiple Choice | 0 | - | 4.98 | 115,855 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 130,641 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 76,294 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.86 | 44,742 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,603 |
| World Coats of Arms | 0 | - | 4.99 | 56,161 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 87,063 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,877 |
| Similar Flags #1 | 0 | - | 4.74 | 111,702 |
| Similar Flags #2 | 0 | - | 4.79 | 113,868 |
| Category Elimination - Country Flags #1 | 0 | - | 4.97 | 126,877 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 41,788 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 152,335 |
| Emoji Flags | 0 | - | 4.34 | 40,899 |
| Countries by Road Signs | 0 | - | 4.98 | 45,835 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 54,385 |
| Islands by Shape #2 | 0 | - | 4.86 | 45,172 |
| Select the World Flags | 0 | - | 4.31 | 33,587 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.76 | 23,709 |
| Random Circular Cutouts of the World Map | 0 | - | 4.97 | 67,158 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.65 | 54,570 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,549 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,637 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,591 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 44,062 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,483 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,416 |
| Countries by Picture #1 | 0 | - | 4.51 | 90,266 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,879 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,612 |
| Name a Valid Country Flag | 0 | - | 4.55 | 48,360 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,056,910 |
| Flags of Asia Quiz | 0 | - | 4.99 | 530,188 |
| Pixelated World Map | 0 | - | 5.00 | 129,432 |
| Flags of Africa Quiz | 0 | - | 4.99 | 392,027 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 67,494 |
| Satellite Images - Europe | 0 | - | 4.44 | 82,301 |
| European Cities by Picture #2 | 0 | - | 4.47 | 34,872 |
| Boundary Waters | 0 | - | 4.93 | 81,587 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,803 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.92 | 46,196 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 52,048 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 60,882 |
| Cities by Satellite #1 | 0 | - | 4.37 | 71,299 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,925 |
| Countries by Picture #4 | 0 | - | 4.17 | 42,129 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,693 |
| Countries by Picture #5 | 0 | - | 4.27 | 40,093 |
| Countries by Picture #6 | 0 | - | 4.14 | 33,822 |
| Geography by Picture - H | 0 | - | 4.52 | 55,408 |
| Geography by Picture - N | 0 | - | 4.46 | 39,757 |
| Geography by Picture - R | 0 | - | 4.54 | 38,780 |
| Geography by Picture - T | 0 | - | 4.63 | 55,010 |
| Flags of Oceania | 0 | - | 5.00 | 218,323 |
| Three Band Flags of Europe | 0 | - | 4.97 | 162,468 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,968 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,920 |
| Pixelated Europe Map | 0 | - | 4.90 | 110,337 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,395,877 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,577 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 330,079 |
| Save Humanity by Guessing Countries | 0 | - | 4.99 | 366,717 |
| Satellite Images Quiz #1 | 0 | - | 4.47 | 123,288 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 104,199 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,812 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 46,074 |
| Satellite Images Quiz #6 | 0 | - | 4.53 | 35,864 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,767 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.52 | 23,590 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,884 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 84,999 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 138,644 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 110,708 |
| World Capitals Quiz | 0 | - | 5.00 | 4,538,386 |
| Members of the Arab League | 0 | - | 4.85 | 64,668 |
| Sahara Desert Countries | 0 | - | 4.97 | 128,960 |
| Himalayan Countries | 0 | - | 4.95 | 106,907 |
| Andean Countries | 0 | - | 4.91 | 59,457 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 60,537 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 50,288 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 103,655 |
| Coffee Producing Countries | 0 | - | 4.82 | 54,555 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,847 |
| Danube Countries | 0 | - | 4.96 | 57,000 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 92,015 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 65,117 |
| Countries with the Best Passports | 0 | - | 4.87 | 72,070 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,959 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 110,241 |
| European Landlocked Countries | 0 | - | 4.99 | 136,522 |
| Partially Recognized Countries | 0 | - | 4.98 | 90,374 |
| Countries with the Most Species | 0 | - | 4.99 | 89,708 |
| Countries 197 to 205 | 0 | - | 4.87 | 56,866 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,886 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,181 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,715 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,665 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,941 |
| Countries with a AAA Credit Rating | 0 | - | 4.87 | 49,557 |
| Countries in the Alps | 0 | - | 4.84 | 103,336 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,945 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 88,422 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,974 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 79,029 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,501 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,998 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 90,162 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,500 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,540 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 55,096 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,852 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,818 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,870 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 96,209 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,365 |
| Countries with the Most Grassland | 0 | - | 4.94 | 69,934 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 99,458 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,685 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 53,757 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 199,586 |
| World Countries - Blind Typing | 0 | - | 5.00 | 74,193 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 42,588 |
| Largest Countries By Category | 0 | - | 4.97 | 145,770 |
| Countries by Countries | 0 | - | 4.96 | 55,164 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,127,018 |
| Country Flags with the Most White | 0 | - | 4.90 | 125,435 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,985 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.86 | 44,932 |
| All Countries by Population With a Map | 0 | - | 4.99 | 63,621 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 77,414 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,986 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,195,494 |
| Merged Countries #2 | 0 | - | 4.96 | 90,272 |
| Merged Countries #4 | 0 | - | 4.87 | 85,125 |
| Merged Countries #6 | 0 | - | 4.90 | 65,780 |
| Merged Countries #7 | 0 | - | 4.94 | 74,969 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 135,361 |
| Western Europe Map Quiz | 0 | - | 4.86 | 89,437 |
| Geography by Picture - A | 0 | - | 4.35 | 57,113 |
| Geography by Picture - B | 0 | - | 4.36 | 52,626 |
| Geography by Picture - D | 0 | - | 4.10 | 43,339 |
| Geography by Picture - F | 0 | - | 4.25 | 48,467 |
| Geography by Picture - G | 0 | - | 4.39 | 45,521 |
| Geography by Picture - J | 0 | - | 4.14 | 36,504 |
| Geography by Picture - C | 0 | - | 4.28 | 54,396 |
| Geography by Picture - L | 0 | - | 4.34 | 56,039 |
| Geography by Picture - M | 0 | - | 4.11 | 38,502 |
| Geography by Picture - P | 0 | - | 4.28 | 40,296 |
| Geography by Picture - S | 0 | - | 4.35 | 44,744 |
| Tourist Attraction by Negative Review | 0 | - | 4.90 | 60,174 |
| Who Controls It? #1 | 0 | - | 4.84 | 45,696 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 182,310 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 111,539 |
| Longest International Borders | 0 | - | 4.99 | 235,356 |
| Countries with Three Borders | 0 | - | 4.96 | 31,812 |
| Country Connect by Northernmost Point | 0 | - | 4.97 | 36,429 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 40,811 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.87 | 34,614 |
| Demonym of Every Country | 0 | - | 4.90 | 50,257 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,689 |
| Islands by Picture | 0 | - | 4.31 | 93,072 |
