| All Country Flags of the World | 0 | - | 5.00 | 3,701,867 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,961 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,543,720 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,138 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,740 |
| Flags with Crescents | 0 | - | 4.98 | 171,001 |
| Country Flag Trivia | 0 | - | 4.81 | 57,798 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,652 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,220 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,323 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,344 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,623 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,060 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,185 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,983 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,603 |
| World Coats of Arms | 0 | - | 4.99 | 64,978 |
| Flags to Languages | 0 | - | 4.95 | 174,309 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,916 |
| Geography by Picture - B | 0 | - | 4.42 | 55,746 |
| Geography by Picture - H | 0 | - | 4.50 | 58,343 |
| Geography by Picture - N | 0 | - | 4.45 | 42,315 |
| Geography by Picture - R | 0 | - | 4.56 | 41,119 |
| Geography by Picture - T | 0 | - | 4.54 | 57,963 |
| Countries by Road Signs | 0 | - | 4.98 | 54,244 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,343 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,454 |
| Geography by Picture - A | 0 | - | 4.39 | 60,398 |
| Geography by Picture - D | 0 | - | 4.15 | 45,763 |
| Geography by Picture - F | 0 | - | 4.31 | 51,140 |
| Geography by Picture - G | 0 | - | 4.39 | 48,053 |
| Geography by Picture - J | 0 | - | 4.16 | 38,569 |
| Geography by Picture - K | 0 | - | 4.29 | 33,225 |
| Geography by Picture - C | 0 | - | 4.31 | 57,201 |
| Geography by Picture - L | 0 | - | 4.37 | 59,098 |
| Geography by Picture - P | 0 | - | 4.24 | 42,535 |
| Geography by Picture - S | 0 | - | 4.38 | 47,154 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,718 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,242 |
| Flag Maths | 0 | - | 4.61 | 57,816 |
| Satellite Images #1 | 0 | - | 4.47 | 129,708 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,529 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,115 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,134 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,130 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,458 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,405 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,696 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,400 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,459 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,082 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,666 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,224 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,012 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,148 |
| Emoji Flags | 0 | - | 4.35 | 44,245 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,549 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,844 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 71,151 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,912 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,428 |
| Boundary Waters | 0 | - | 4.92 | 88,706 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,360 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,545 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,145 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,838 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,838 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,010 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,068 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,586 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,020 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,341 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,059 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,337 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,215 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,145 |
| Pixelated World Map | 0 | - | 5.00 | 143,929 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,163 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,122 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,187 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,974 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,598 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,023 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,002 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,404 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,799 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,940 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,292 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,507 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,594 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,546 |
| Landforms by Picture | 0 | - | 4.31 | 20,735 |
| Geography by Picture - I | 0 | - | 4.00 | 39,515 |
| Geography by Picture - O | 0 | - | 4.01 | 28,223 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,730 |
| Former Flags | 0 | - | 4.97 | 108,348 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,173 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,893 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,254,406 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,537 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,057 |
| Flags of North and South America | 0 | - | 4.99 | 376,023 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,110 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,330 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,761 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,291 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,641 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,199 |
| Select the World Flags | 0 | - | 4.28 | 37,929 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,131 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,174 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,771,314 |
| Landlocked Countries | 0 | - | 4.99 | 424,336 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 584,802 |
| Flags of Oceania | 0 | - | 5.00 | 261,983 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,272 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,315 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,650 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,316 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,097 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,038 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,850 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,276 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,792 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,823 |
| World Capitals Quiz | 0 | - | 5.00 | 5,098,231 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,571 |
| Himalayan Countries | 0 | - | 4.94 | 139,723 |
| Andean Countries | 0 | - | 4.94 | 85,160 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,335 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,587 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,909 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,191 |
| Danube Countries | 0 | - | 4.97 | 72,258 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,394 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,686 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,825 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,323 |
| European Landlocked Countries | 0 | - | 4.99 | 147,443 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,054 |
| Countries with the Most Species | 0 | - | 4.99 | 103,463 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,188 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,704 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,816 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,733 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,464 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,891 |
| Countries in the Alps | 0 | - | 4.87 | 118,560 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,253 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,576 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,848 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,859 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,785 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,123 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,063 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,725 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,332 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,052 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,784 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,651 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,434 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,668 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,759 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,479 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,512 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,493 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,471 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,146 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,801 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,418 |
| Largest Countries By Category | 0 | - | 4.97 | 158,617 |
| Countries by Countries | 0 | - | 4.96 | 63,495 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,070 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,361 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,639 |
| Merged Country Flags | 0 | - | 4.88 | 107,240 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,507 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,264 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,334 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,965 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,795,390 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,146 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,471 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,328 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,943 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,151 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,878 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,707 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,586 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,099 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,724 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,474 |
| Longest International Borders | 0 | - | 4.99 | 265,605 |
| Countries with Three Borders | 0 | - | 4.96 | 36,716 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,280 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,426 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,143 |
| Demonym of Every Country | 0 | - | 4.90 | 61,279 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,474 |
| Islands by Picture | 0 | - | 4.28 | 107,592 |
