| All Country Flags of the World | 0 | - | 5.00 | 3,679,647 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,749 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,968 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,243 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,373 |
| Flags with Crescents | 0 | - | 4.98 | 170,085 |
| Country Flag Trivia | 0 | - | 4.81 | 57,341 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,133 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,800 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,778 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,044 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,212 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,856 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,064 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,864 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,548 |
| World Coats of Arms | 0 | - | 4.99 | 64,705 |
| Flags to Languages | 0 | - | 4.95 | 173,919 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,695 |
| Geography by Picture - B | 0 | - | 4.42 | 55,672 |
| Geography by Picture - H | 0 | - | 4.50 | 58,279 |
| Geography by Picture - N | 0 | - | 4.45 | 42,248 |
| Geography by Picture - R | 0 | - | 4.56 | 41,070 |
| Geography by Picture - T | 0 | - | 4.54 | 57,897 |
| Countries by Road Signs | 0 | - | 4.98 | 54,019 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 63,164 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,343 |
| Geography by Picture - A | 0 | - | 4.39 | 60,323 |
| Geography by Picture - D | 0 | - | 4.15 | 45,707 |
| Geography by Picture - F | 0 | - | 4.31 | 51,068 |
| Geography by Picture - G | 0 | - | 4.39 | 47,997 |
| Geography by Picture - J | 0 | - | 4.16 | 38,511 |
| Geography by Picture - K | 0 | - | 4.29 | 33,172 |
| Geography by Picture - C | 0 | - | 4.31 | 57,126 |
| Geography by Picture - L | 0 | - | 4.37 | 59,037 |
| Geography by Picture - M | 0 | - | 4.14 | 40,505 |
| Geography by Picture - S | 0 | - | 4.38 | 47,082 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,967 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,839 |
| Flag Maths | 0 | - | 4.64 | 57,790 |
| Satellite Images #1 | 0 | - | 4.47 | 129,483 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,401 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,987 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,008 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,041 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,180 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,166 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,555 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,254 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,331 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,999 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,579 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,389 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,887 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,002 |
| Emoji Flags | 0 | - | 4.35 | 44,151 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,448 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,619 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,913 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,851 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,937 |
| Boundary Waters | 0 | - | 4.92 | 88,577 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,254 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,280 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,732 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,618 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,587 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,215 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,402 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,924 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,565 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,740 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,451 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,640 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,824 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,752 |
| Pixelated World Map | 0 | - | 5.00 | 143,633 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,747 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,765 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,859 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,657 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,297 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,724 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,833 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,233 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,542 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,639 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,988 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,182 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,280 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,147 |
| Landforms by Picture | 0 | - | 4.31 | 20,701 |
| Geography by Picture - I | 0 | - | 4.00 | 39,466 |
| Geography by Picture - O | 0 | - | 4.01 | 28,174 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,572 |
| Former Flags | 0 | - | 4.97 | 107,973 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,029 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,634 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,411 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,788 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,106 |
| Flags of North and South America | 0 | - | 4.99 | 374,256 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,474 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,164 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,654 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,118 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,545 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,109 |
| Select the World Flags | 0 | - | 4.27 | 37,834 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,010 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,056 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,589,542 |
| Landlocked Countries | 0 | - | 4.99 | 422,065 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,080 |
| Flags of Oceania | 0 | - | 5.00 | 260,479 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,688 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,061 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,385 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,981 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,994 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,943 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,713 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,030 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,427 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,436 |
| World Capitals Quiz | 0 | - | 5.00 | 5,083,689 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,502 |
| Himalayan Countries | 0 | - | 4.94 | 138,772 |
| Andean Countries | 0 | - | 4.93 | 84,632 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,831 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,858 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,451 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,822 |
| Danube Countries | 0 | - | 4.97 | 72,021 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,022 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,430 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,334 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,808 |
| European Landlocked Countries | 0 | - | 4.99 | 147,151 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,663 |
| Countries with the Most Species | 0 | - | 4.99 | 103,248 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,779 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,598 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,726 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,548 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,238 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,670 |
| Countries in the Alps | 0 | - | 4.87 | 118,221 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,168 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,050 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,659 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,600 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,524 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,952 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,688 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,502 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,183 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,860 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,662 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,532 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,238 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,480 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,535 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,926 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,316 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 63,903 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,091 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,981 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,144 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,238 |
| Largest Countries By Category | 0 | - | 4.97 | 158,227 |
| Countries by Countries | 0 | - | 4.96 | 63,237 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,700 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,292 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,571 |
| Merged Country Flags | 0 | - | 4.88 | 106,953 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,634 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,032 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,538 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,681 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,779,440 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,924 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,300 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,721 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,860 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,819 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,841 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,509 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,500 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,921 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,019 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,296 |
| Longest International Borders | 0 | - | 4.99 | 265,210 |
| Countries with Three Borders | 0 | - | 4.96 | 36,619 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,131 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,231 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,076 |
| Demonym of Every Country | 0 | - | 4.91 | 60,725 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,417 |
| Islands by Picture | 0 | - | 4.28 | 107,244 |
