| All Country Flags of the World | 0 | - | 5.00 | 3,667,434 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,716 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,179 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,602 |
| Flags with Crescents | 0 | - | 4.98 | 169,688 |
| Country Flag Trivia | 0 | - | 4.81 | 57,098 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,849 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,569 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,509 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,316 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,868 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,894 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,116 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,612 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,391 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,492 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,160 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,322 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,639 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,605 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,543 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,591 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,691 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,477 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,136 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,570 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,745 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,144 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,419 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,483 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,818 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,020 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,120 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,951 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,489 |
| Flags of North and South America | 0 | - | 4.99 | 373,295 |
| Flags to Languages | 0 | - | 4.95 | 173,688 |
| Former Flags | 0 | - | 4.97 | 107,782 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,969 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,576 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,492 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,977 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,873 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,772 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,197 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,607 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,620 |
| Flag Maths | 0 | - | 4.64 | 57,765 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,891 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,724 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,979 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,790 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,516 |
| World Coats of Arms | 0 | - | 4.99 | 64,573 |
| Similar Flags #1 | 0 | - | 4.75 | 130,088 |
| Similar Flags #2 | 0 | - | 4.74 | 137,375 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,628 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,825 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,528 |
| Emoji Flags | 0 | - | 4.35 | 44,111 |
| Countries by Road Signs | 0 | - | 4.98 | 53,857 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,643 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,293 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,994 |
| Select the World Flags | 0 | - | 4.27 | 37,760 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,006 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,930 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,468 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,165 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,239 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,946 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,524 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,848 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,679 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,888 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,771 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,854 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,871 |
| Pixelated World Map | 0 | - | 5.00 | 143,431 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,671 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,135 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,561 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,213 |
| Boundary Waters | 0 | - | 4.92 | 88,484 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,180 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,130 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,498 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,489 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,445 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,130 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,080 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,487 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,836 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,388 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,976 |
| Geography by Picture - B | 0 | - | 4.42 | 55,622 |
| Geography by Picture - H | 0 | - | 4.50 | 58,246 |
| Geography by Picture - N | 0 | - | 4.45 | 42,216 |
| Geography by Picture - R | 0 | - | 4.56 | 41,039 |
| Geography by Picture - T | 0 | - | 4.54 | 57,860 |
| Flags of Oceania | 0 | - | 5.00 | 259,601 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,393 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,048 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,893 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,245 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,797 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,482,404 |
| Flags of WW1 | 0 | - | 4.60 | 38,409 |
| Landlocked Countries | 0 | - | 4.99 | 420,805 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 573,214 |
| Satellite Images #1 | 0 | - | 4.47 | 129,405 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,328 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,936 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,949 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,001 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,041 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,827 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,626 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,865 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,207 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,221 |
| World Capitals Quiz | 0 | - | 5.00 | 5,075,750 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,879 |
| Himalayan Countries | 0 | - | 4.95 | 138,206 |
| Andean Countries | 0 | - | 4.95 | 84,326 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,547 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,433 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,174 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,603 |
| Danube Countries | 0 | - | 4.97 | 71,863 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,835 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,266 |
| Countries with the Worst Passports | 0 | - | 4.94 | 84,033 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,496 |
| European Landlocked Countries | 0 | - | 4.99 | 147,004 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,415 |
| Countries with the Most Species | 0 | - | 4.99 | 103,125 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,568 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,523 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,669 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,458 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,134 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,529 |
| Countries in the Alps | 0 | - | 4.87 | 118,003 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,956 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,785 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,560 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,474 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,346 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,848 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,499 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,364 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,097 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,722 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,574 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,431 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,092 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,369 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,391 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,608 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,191 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,715 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,855 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,336 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,752 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,127 |
| Largest Countries By Category | 0 | - | 4.97 | 157,977 |
| Countries by Countries | 0 | - | 4.96 | 63,050 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,498 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,228 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,522 |
| Merged Country Flags | 0 | - | 4.88 | 106,807 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,158 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,837 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,697 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,542 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,769,527 |
| Merged Countries #2 | 0 | - | 4.96 | 99,108 |
| Merged Countries #6 | 0 | - | 4.90 | 73,314 |
| Merged Countries #7 | 0 | - | 4.93 | 82,656 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,591 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,813 |
| Geography by Picture - A | 0 | - | 4.39 | 60,276 |
| Geography by Picture - D | 0 | - | 4.15 | 45,673 |
| Geography by Picture - F | 0 | - | 4.31 | 51,021 |
| Geography by Picture - G | 0 | - | 4.38 | 47,962 |
| Geography by Picture - J | 0 | - | 4.16 | 38,478 |
| Geography by Picture - K | 0 | - | 4.29 | 33,142 |
| Geography by Picture - C | 0 | - | 4.31 | 57,088 |
| Geography by Picture - L | 0 | - | 4.37 | 58,989 |
| Geography by Picture - M | 0 | - | 4.14 | 40,477 |
| Geography by Picture - P | 0 | - | 4.24 | 42,448 |
| Geography by Picture - S | 0 | - | 4.38 | 47,055 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,381 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,450 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,857 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,656 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,210 |
| Longest International Borders | 0 | - | 4.99 | 264,976 |
| Countries with Three Borders | 0 | - | 4.96 | 36,545 |
