| All Country Flags of the World | 0 | - | 5.00 | 3,682,220 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,244 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,884 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,074 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,772 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,394 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,465 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,516 |
| Flags with Crescents | 0 | - | 4.98 | 170,183 |
| Country Flag Trivia | 0 | - | 4.81 | 57,402 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,173 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,846 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,837 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,079 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,408 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,995 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,018 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,047 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,880 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,555 |
| World Coats of Arms | 0 | - | 4.99 | 64,749 |
| Flags to Languages | 0 | - | 4.95 | 173,944 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,572 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,270 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,348 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,006 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,591 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,636 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,939 |
| Geography by Picture - B | 0 | - | 4.42 | 55,680 |
| Geography by Picture - H | 0 | - | 4.50 | 58,285 |
| Geography by Picture - N | 0 | - | 4.45 | 42,256 |
| Geography by Picture - R | 0 | - | 4.56 | 41,076 |
| Geography by Picture - T | 0 | - | 4.54 | 57,906 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,456 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,180 |
| Countries by Road Signs | 0 | - | 4.98 | 54,047 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,363 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,544 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,184 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,867 |
| Geography by Picture - A | 0 | - | 4.39 | 60,330 |
| Geography by Picture - D | 0 | - | 4.15 | 45,712 |
| Geography by Picture - F | 0 | - | 4.31 | 51,076 |
| Geography by Picture - G | 0 | - | 4.39 | 48,005 |
| Geography by Picture - J | 0 | - | 4.16 | 38,517 |
| Geography by Picture - K | 0 | - | 4.29 | 33,178 |
| Geography by Picture - C | 0 | - | 4.31 | 57,133 |
| Geography by Picture - L | 0 | - | 4.37 | 59,048 |
| Geography by Picture - M | 0 | - | 4.14 | 40,510 |
| Geography by Picture - P | 0 | - | 4.24 | 42,485 |
| Geography by Picture - S | 0 | - | 4.38 | 47,092 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,065 |
| Flag Maths | 0 | - | 4.64 | 57,793 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,198 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,187 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,625 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,910 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,020 |
| Emoji Flags | 0 | - | 4.35 | 44,163 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,984 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,096 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,115 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,275 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,454 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,986 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,602 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,810 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,490 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,691 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,861 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,790 |
| Pixelated World Map | 0 | - | 5.00 | 143,670 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,795 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,794 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,896 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,687 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,323 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,757 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,844 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,249 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,561 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,669 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,015 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,214 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,308 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,185 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,587 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,438 |
| Flags of North and South America | 0 | - | 4.99 | 374,481 |
| Former Flags | 0 | - | 4.97 | 107,999 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,206 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,149 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,037 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,653 |
| Geography by Picture - E | 0 | - | 3.55 | 47,428 |
| Landforms by Picture | 0 | - | 4.31 | 20,701 |
| Geography by Picture - I | 0 | - | 4.00 | 39,471 |
| Geography by Picture - O | 0 | - | 4.01 | 28,179 |
| Boundary Waters | 0 | - | 4.92 | 88,595 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,268 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,308 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,782 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,649 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,612 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,671 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,149 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,562 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,125 |
| Flags of Oceania | 0 | - | 5.00 | 260,667 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,757 |
| Select the World Flags | 0 | - | 4.27 | 37,844 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,023 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,093 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,410 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,021 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,065 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,611,569 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,004 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,950 |
| Landlocked Countries | 0 | - | 4.99 | 422,342 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 577,911 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,929 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,948 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,319 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,841 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.36 | 19,735 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,847 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,723 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,054 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,452 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,466 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,421 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,704 |
| Himalayan Countries | 0 | - | 4.95 | 138,903 |
| Andean Countries | 0 | - | 4.93 | 84,716 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,919 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,982 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,537 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,877 |
| Danube Countries | 0 | - | 4.97 | 72,062 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,078 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,468 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,380 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,871 |
| European Landlocked Countries | 0 | - | 4.99 | 147,191 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,720 |
| Countries with the Most Species | 0 | - | 4.99 | 103,274 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,837 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,615 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,736 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,574 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,262 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,709 |
| Countries in the Alps | 0 | - | 4.87 | 118,266 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,356 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,103 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,694 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,635 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,557 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,983 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,717 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,542 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,202 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,892 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,677 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,548 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,258 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,511 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,571 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,993 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,344 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,233 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,138 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,123 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,235 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,264 |
| Largest Countries By Category | 0 | - | 4.97 | 158,281 |
| Countries by Countries | 0 | - | 4.96 | 63,272 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,744 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,304 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,577 |
| Merged Country Flags | 0 | - | 4.88 | 106,985 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,716 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,061 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,710 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,781,414 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,745 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,866 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,539 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,508 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,944 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,084 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,320 |
| Longest International Borders | 0 | - | 4.99 | 265,247 |
| Countries with Three Borders | 0 | - | 4.96 | 36,626 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,144 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,247 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,081 |
| Demonym of Every Country | 0 | - | 4.91 | 60,799 |
