| All Country Flags of the World | 0 | - | 5.00 | 3,689,531 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,710 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,102 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,964 |
| Flags with Crescents | 0 | - | 4.98 | 170,586 |
| Country Flag Trivia | 0 | - | 4.81 | 57,561 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,349 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,973 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,010 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,607 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,619 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,499 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,631 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,198 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,736 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,971 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,653 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,908 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,976 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,908 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,919 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,915 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,985 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,798 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,410 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,852 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,897 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,298 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,647 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,763 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,115 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,325 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,398 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,303 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,633 |
| Flags of North and South America | 0 | - | 4.99 | 375,082 |
| Flags to Languages | 0 | - | 4.95 | 174,080 |
| Former Flags | 0 | - | 4.97 | 108,130 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,078 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,801 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,734 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,102 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,842 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,023 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,371 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,970 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,004 |
| Flag Maths | 0 | - | 4.61 | 57,803 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,390 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,956 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,115 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,915 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,567 |
| World Coats of Arms | 0 | - | 4.99 | 64,824 |
| Similar Flags #1 | 0 | - | 4.75 | 130,405 |
| Similar Flags #2 | 0 | - | 4.74 | 137,715 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,048 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,453 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,151 |
| Emoji Flags | 0 | - | 4.35 | 44,192 |
| Countries by Road Signs | 0 | - | 4.98 | 54,125 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,845 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,393 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,718 |
| Select the World Flags | 0 | - | 4.27 | 37,874 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,269 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,037 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,609 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,307 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,387 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,035 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,610 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,916 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,947 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,077 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,101 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,251,153 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,082 |
| Pixelated World Map | 0 | - | 5.00 | 143,775 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,518 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,427 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,867 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,315 |
| Boundary Waters | 0 | - | 4.92 | 88,636 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,309 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,405 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,930 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,728 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,701 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,727 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,225 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,710 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,199 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,591 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,156 |
| Geography by Picture - B | 0 | - | 4.42 | 55,702 |
| Geography by Picture - H | 0 | - | 4.50 | 58,304 |
| Geography by Picture - N | 0 | - | 4.45 | 42,280 |
| Geography by Picture - R | 0 | - | 4.56 | 41,089 |
| Geography by Picture - T | 0 | - | 4.54 | 57,926 |
| Flags of Oceania | 0 | - | 5.00 | 261,112 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,961 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,251 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,183 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,522 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,134 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,673,079 |
| Flags of WW1 | 0 | - | 4.60 | 38,557 |
| Landlocked Countries | 0 | - | 4.99 | 423,124 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,858 |
| Satellite Images #1 | 0 | - | 4.47 | 129,532 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,447 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,028 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,054 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,067 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,272 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,859 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,774 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,143 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,587 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,606 |
| World Capitals Quiz | 0 | - | 5.00 | 5,090,341 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,058 |
| Himalayan Countries | 0 | - | 4.94 | 139,229 |
| Andean Countries | 0 | - | 4.93 | 84,892 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,113 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,255 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,692 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,005 |
| Danube Countries | 0 | - | 4.97 | 72,146 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,205 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,553 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,551 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,064 |
| European Landlocked Countries | 0 | - | 4.99 | 147,289 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,855 |
| Countries with the Most Species | 0 | - | 4.99 | 103,355 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,981 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,651 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,772 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,626 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,375 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,793 |
| Countries in the Alps | 0 | - | 4.87 | 118,378 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,798 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,309 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,762 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,727 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,646 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,047 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,829 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,612 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,253 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,969 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,726 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,599 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,335 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,576 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,646 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,188 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,413 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,829 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,261 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,541 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,454 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,318 |
| Largest Countries By Category | 0 | - | 4.97 | 158,416 |
| Countries by Countries | 0 | - | 4.96 | 63,369 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,865 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,328 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,593 |
| Merged Country Flags | 0 | - | 4.88 | 107,075 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,007 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,134 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,901 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,806 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,786,680 |
| Merged Countries #2 | 0 | - | 4.96 | 99,352 |
| Merged Countries #6 | 0 | - | 4.90 | 73,572 |
| Merged Countries #7 | 0 | - | 4.93 | 82,920 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,816 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,898 |
| Geography by Picture - A | 0 | - | 4.39 | 60,349 |
| Geography by Picture - D | 0 | - | 4.15 | 45,728 |
| Geography by Picture - F | 0 | - | 4.31 | 51,099 |
| Geography by Picture - G | 0 | - | 4.39 | 48,027 |
| Geography by Picture - J | 0 | - | 4.16 | 38,533 |
| Geography by Picture - K | 0 | - | 4.29 | 33,192 |
| Geography by Picture - C | 0 | - | 4.31 | 57,158 |
| Geography by Picture - L | 0 | - | 4.37 | 59,068 |
| Geography by Picture - M | 0 | - | 4.14 | 40,526 |
| Geography by Picture - P | 0 | - | 4.24 | 42,507 |
| Geography by Picture - S | 0 | - | 4.38 | 47,119 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,599 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,541 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,993 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,312 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,381 |
| Longest International Borders | 0 | - | 4.99 | 265,402 |
| Countries with Three Borders | 0 | - | 4.96 | 36,666 |
