| All Country Flags of the World | 0 | - | 5.00 | 3,643,676 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,533,727 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,091,162 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 732,260 |
| Flags with Crescents | 0 | - | 4.98 | 168,911 |
| Country Flag Trivia | 0 | - | 4.81 | 56,691 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,311 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,164 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 86,929 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,042 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,555 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,184 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,463 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,983 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,991 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,903 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,591 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,680 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,257 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,242 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,116 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,280 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,371 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,135 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,841 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,301 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,595 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,975 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,176 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,213 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,513 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,732 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,834 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,321 |
| Flags of North and South America | 0 | - | 4.99 | 371,510 |
| Flags to Languages | 0 | - | 4.95 | 173,301 |
| Former Flags | 0 | - | 4.97 | 107,400 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,836 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,358 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,256 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,611 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,873 |
| 20 Random Country Flags | 0 | - | 4.99 | 609,699 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,512 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,983 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,212 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,223 |
| Flag Maths | 0 | - | 4.64 | 57,738 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,182 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,312 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,697 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,642 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,426 |
| World Coats of Arms | 0 | - | 4.99 | 64,285 |
| Similar Flags #1 | 0 | - | 4.74 | 129,701 |
| Similar Flags #2 | 0 | - | 4.74 | 137,012 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,196 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,475 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,892 |
| Emoji Flags | 0 | - | 4.35 | 43,990 |
| Countries by Road Signs | 0 | - | 4.98 | 53,590 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,397 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,174 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 24,144 |
| Select the World Flags | 0 | - | 4.27 | 37,646 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,716 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,804 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,270 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,944 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,049 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,840 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,401 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,779 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,202 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,663 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,420 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,238,773 |
| Flags of Asia Quiz | 0 | - | 4.99 | 610,909 |
| Pixelated World Map | 0 | - | 5.00 | 143,082 |
| Flags of Africa Quiz | 0 | - | 5.00 | 468,640 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,905 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,240 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,122 |
| Boundary Waters | 0 | - | 4.92 | 88,345 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,053 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,845 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,077 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,291 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,215 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,813 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,015 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,203 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,828 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,292 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,018 |
| Geography by Picture - B | 0 | - | 4.42 | 55,548 |
| Geography by Picture - H | 0 | - | 4.50 | 58,170 |
| Geography by Picture - N | 0 | - | 4.45 | 42,158 |
| Geography by Picture - R | 0 | - | 4.56 | 40,974 |
| Geography by Picture - T | 0 | - | 4.54 | 57,788 |
| Flags of Oceania | 0 | - | 5.00 | 257,849 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,819 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,840 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,596 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,954 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,433 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,282,780 |
| Flags of WW1 | 0 | - | 4.60 | 38,263 |
| Landlocked Countries | 0 | - | 4.99 | 418,172 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 566,129 |
| Satellite Images #1 | 0 | - | 4.46 | 129,263 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,220 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,837 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,837 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,918 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,791 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,801 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,472 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,555 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,562 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,789 |
| World Capitals Quiz | 0 | - | 5.00 | 5,059,568 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,605 |
| Himalayan Countries | 0 | - | 4.94 | 137,095 |
| Andean Countries | 0 | - | 4.95 | 83,764 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,010 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,386 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,686 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,250 |
| Danube Countries | 0 | - | 4.97 | 71,578 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,438 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,983 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,512 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,566 |
| European Landlocked Countries | 0 | - | 4.99 | 146,685 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,016 |
| Countries with the Most Species | 0 | - | 4.99 | 102,791 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,154 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,398 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,558 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,256 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,928 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,309 |
| Countries in the Alps | 0 | - | 4.87 | 117,581 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,052 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,230 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,367 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,905 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,019 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,393 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,184 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,124 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,927 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,490 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,441 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,300 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,869 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,131 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,156 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,027 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,006 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,531 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,420 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,963 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,054 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,938 |
| Largest Countries By Category | 0 | - | 4.97 | 157,522 |
| Countries by Countries | 0 | - | 4.96 | 62,772 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,110 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,134 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,453 |
| Merged Country Flags | 0 | - | 4.88 | 106,520 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,268 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.97 | 98,576 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,461 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,255 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,752,263 |
| Merged Countries #2 | 0 | - | 4.96 | 98,855 |
| Merged Countries #6 | 0 | - | 4.90 | 73,089 |
| Merged Countries #7 | 0 | - | 4.93 | 82,399 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,305 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,712 |
| Geography by Picture - A | 0 | - | 4.39 | 60,184 |
| Geography by Picture - D | 0 | - | 4.15 | 45,600 |
| Geography by Picture - F | 0 | - | 4.31 | 50,935 |
| Geography by Picture - G | 0 | - | 4.38 | 47,903 |
| Geography by Picture - J | 0 | - | 4.16 | 38,421 |
| Geography by Picture - K | 0 | - | 4.29 | 33,086 |
| Geography by Picture - C | 0 | - | 4.31 | 57,023 |
| Geography by Picture - L | 0 | - | 4.37 | 58,892 |
| Geography by Picture - M | 0 | - | 4.14 | 40,413 |
| Geography by Picture - P | 0 | - | 4.24 | 42,391 |
| Geography by Picture - S | 0 | - | 4.38 | 47,002 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,175 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,377 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,693 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,915 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,024 |
| Longest International Borders | 0 | - | 4.99 | 264,547 |
| Countries with Three Borders | 0 | - | 4.96 | 36,419 |
