| All Country Flags of the World | 0 | - | 5.00 | 3,665,236 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,398 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,023 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,504 |
| Flags with Crescents | 0 | - | 4.98 | 169,625 |
| Country Flag Trivia | 0 | - | 4.81 | 57,070 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,804 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,530 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,463 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,286 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,834 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,846 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,073 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,553 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,357 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,440 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,119 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,261 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,605 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,581 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,512 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,557 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,667 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,441 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,116 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,540 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,731 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,132 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,399 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,461 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,790 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,998 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,093 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,920 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,479 |
| Flags of North and South America | 0 | - | 4.99 | 373,153 |
| Flags to Languages | 0 | - | 4.95 | 173,658 |
| Former Flags | 0 | - | 4.97 | 107,745 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,960 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,546 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,476 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,967 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,572 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,747 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,171 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,574 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,584 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,841 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,694 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,962 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,778 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,506 |
| World Coats of Arms | 0 | - | 4.99 | 64,533 |
| Similar Flags #1 | 0 | - | 4.75 | 130,054 |
| Similar Flags #2 | 0 | - | 4.74 | 137,336 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,599 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,781 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,478 |
| Emoji Flags | 0 | - | 4.35 | 44,101 |
| Countries by Road Signs | 0 | - | 4.98 | 53,838 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,624 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,280 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,936 |
| Select the World Flags | 0 | - | 4.27 | 37,752 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,980 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,918 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,451 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,145 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,221 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,940 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,514 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,108 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,606 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,873 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,736 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,377 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,698 |
| Pixelated World Map | 0 | - | 5.00 | 143,406 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,429 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,123 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,541 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,202 |
| Boundary Waters | 0 | - | 4.92 | 88,472 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,170 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,097 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,463 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,468 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,420 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,096 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,077 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,416 |
| Countries by Picture #2 | 0 | - | 4.38 | 71,737 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,333 |
| Countries by Picture #6 | 0 | - | 4.16 | 36,925 |
| Geography by Picture - B | 0 | - | 4.42 | 55,613 |
| Geography by Picture - H | 0 | - | 4.50 | 58,239 |
| Geography by Picture - N | 0 | - | 4.45 | 42,208 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,850 |
| Flags of Oceania | 0 | - | 5.00 | 259,478 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,345 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,028 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,870 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,219 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,773 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,464,368 |
| Flags of WW1 | 0 | - | 4.60 | 38,389 |
| Landlocked Countries | 0 | - | 4.99 | 420,581 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 572,431 |
| Satellite Images #1 | 0 | - | 4.47 | 129,390 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,320 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,928 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,939 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,997 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,023 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,823 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,611 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,839 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,966 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,188 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,182 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,734 |
| Himalayan Countries | 0 | - | 4.95 | 138,104 |
| Andean Countries | 0 | - | 4.95 | 84,275 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,493 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,350 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,125 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,573 |
| Danube Countries | 0 | - | 4.97 | 71,837 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,804 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,245 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,982 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,435 |
| European Landlocked Countries | 0 | - | 4.99 | 146,973 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,386 |
| Countries with the Most Species | 0 | - | 4.99 | 103,099 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,539 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,660 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,508 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,554 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,724 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,460 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,311 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,473 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,342 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,706 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,074 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,352 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,692 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,826 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,209 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,684 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,934 |
| Countries by Countries | 0 | - | 4.97 | 63,018 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,470 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,219 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,514 |
| Merged Country Flags | 0 | - | 4.88 | 106,787 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,095 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,810 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,674 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,513 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,918 |
| Merged Countries #2 | 0 | - | 4.96 | 99,088 |
| Merged Countries #6 | 0 | - | 4.90 | 73,289 |
| Merged Countries #7 | 0 | - | 4.93 | 82,636 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,561 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,798 |
| Geography by Picture - A | 0 | - | 4.39 | 60,266 |
| Geography by Picture - D | 0 | - | 4.15 | 45,667 |
| Geography by Picture - F | 0 | - | 4.31 | 51,013 |
| Geography by Picture - G | 0 | - | 4.38 | 47,955 |
| Geography by Picture - J | 0 | - | 4.16 | 38,471 |
| Geography by Picture - K | 0 | - | 4.29 | 33,134 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,974 |
| Geography by Picture - M | 0 | - | 4.14 | 40,468 |
| Geography by Picture - P | 0 | - | 4.24 | 42,443 |
| Geography by Picture - S | 0 | - | 4.38 | 47,046 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,359 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,444 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,843 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,606 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,191 |
| Longest International Borders | 0 | - | 4.99 | 264,955 |
| Countries with Three Borders | 0 | - | 4.96 | 36,534 |
