| All Country Flags of the World | 0 | - | 5.00 | 3,696,795 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,095,704 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,386 |
| Flags with Crescents | 0 | - | 4.98 | 170,837 |
| Country Flag Trivia | 0 | - | 4.81 | 57,705 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,534 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,113 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,206 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,706 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,730 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,292 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,857 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,943 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,443 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,939 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,237 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,941 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,195 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,140 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,070 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,075 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,048 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,120 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,917 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,536 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,968 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,975 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,371 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,746 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,886 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,235 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,444 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,523 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,466 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,706 |
| Flags of North and South America | 0 | - | 4.99 | 375,652 |
| Flags to Languages | 0 | - | 4.95 | 174,222 |
| Former Flags | 0 | - | 4.97 | 108,263 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,149 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,883 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,841 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,151 |
| 20 Random Country Flags | 0 | - | 4.99 | 616,706 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,116 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,444 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,068 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,159 |
| Flag Maths | 0 | - | 4.61 | 57,813 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,526 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,014 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,158 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,954 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,588 |
| World Coats of Arms | 0 | - | 4.99 | 64,897 |
| Similar Flags #1 | 0 | - | 4.75 | 130,511 |
| Similar Flags #2 | 0 | - | 4.74 | 137,820 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,208 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,624 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,366 |
| Emoji Flags | 0 | - | 4.35 | 44,226 |
| Countries by Road Signs | 0 | - | 4.98 | 54,205 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,917 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,433 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 25,904 |
| Select the World Flags | 0 | - | 4.27 | 37,905 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,349 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,072 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,663 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,362 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,433 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,063 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,638 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,096 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,988 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,125 |
| Name a Valid Country Flag | 0 | - | 4.69 | 76,223 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,253,094 |
| Flags of Asia Quiz | 0 | - | 4.99 | 617,909 |
| Pixelated World Map | 0 | - | 5.00 | 143,866 |
| Flags of Africa Quiz | 0 | - | 5.00 | 475,409 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,525 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,969 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,347 |
| Boundary Waters | 0 | - | 4.92 | 88,668 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,331 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,478 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,046 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,790 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,791 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,953 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,295 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,736 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,251 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,618 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,177 |
| Geography by Picture - B | 0 | - | 4.42 | 55,727 |
| Geography by Picture - H | 0 | - | 4.50 | 58,330 |
| Geography by Picture - N | 0 | - | 4.45 | 42,298 |
| Geography by Picture - R | 0 | - | 4.56 | 41,106 |
| Geography by Picture - T | 0 | - | 4.54 | 57,951 |
| Flags of Oceania | 0 | - | 5.00 | 261,648 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,133 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,306 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,263 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,612 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,246 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,731,012 |
| Flags of WW1 | 0 | - | 4.60 | 38,592 |
| Landlocked Countries | 0 | - | 4.99 | 423,807 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 583,224 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,687 |
| Satellite Images #1 | 0 | - | 4.47 | 129,584 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,481 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,062 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,084 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,095 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,417 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,868 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,819 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,707 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,729 |
| World Capitals Quiz | 0 | - | 5.00 | 5,094,654 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,336 |
| Himalayan Countries | 0 | - | 4.94 | 139,513 |
| Andean Countries | 0 | - | 4.94 | 85,053 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,242 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,443 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,800 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,114 |
| Danube Countries | 0 | - | 4.97 | 72,208 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,302 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,622 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,704 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,211 |
| European Landlocked Countries | 0 | - | 4.99 | 147,376 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,974 |
| Countries with the Most Species | 0 | - | 4.99 | 103,421 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,111 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,681 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,792 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,693 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,438 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,850 |
| Countries in the Alps | 0 | - | 4.87 | 118,489 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,069 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,448 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,810 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,812 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,741 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,097 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,915 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,669 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,295 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,017 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,761 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,630 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,385 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,639 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,721 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,373 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,475 |
| Countries that Host the Most Refugees | 0 | - | 4.97 | 65,222 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,350 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,902 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,653 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,380 |
| Largest Countries By Category | 0 | - | 4.97 | 158,543 |
| Countries by Countries | 0 | - | 4.96 | 63,437 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,004 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,348 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,620 |
| Merged Country Flags | 0 | - | 4.88 | 107,167 |
| All Countries by Population With a Map | 0 | - | 4.99 | 110,279 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,206 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,989 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,903 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,791,991 |
| Merged Countries #2 | 0 | - | 4.96 | 99,661 |
| Merged Countries #6 | 0 | - | 4.90 | 73,655 |
| Merged Countries #7 | 0 | - | 4.93 | 83,001 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,185 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,926 |
| Geography by Picture - A | 0 | - | 4.39 | 60,380 |
| Geography by Picture - D | 0 | - | 4.15 | 45,748 |
| Geography by Picture - F | 0 | - | 4.31 | 51,127 |
| Geography by Picture - G | 0 | - | 4.39 | 48,045 |
| Geography by Picture - J | 0 | - | 4.16 | 38,556 |
| Geography by Picture - K | 0 | - | 4.29 | 33,214 |
| Geography by Picture - C | 0 | - | 4.31 | 57,182 |
| Geography by Picture - L | 0 | - | 4.37 | 59,087 |
| Geography by Picture - M | 0 | - | 4.14 | 40,545 |
| Geography by Picture - P | 0 | - | 4.24 | 42,527 |
| Geography by Picture - S | 0 | - | 4.38 | 47,139 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,655 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,572 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,061 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,553 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,441 |
| Longest International Borders | 0 | - | 4.99 | 265,526 |
