| All Country Flags of the World | 0 | - | 5.00 | 3,608,307 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,481 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,958 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,067 |
| Flags with Crescents | 0 | - | 4.98 | 167,767 |
| Country Flag Trivia | 0 | - | 4.81 | 56,021 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,540 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,544 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,054 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,122 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,146 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,580 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,120 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,505 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,416 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,848 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,554 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,763 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,775 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,510 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,829 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,917 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,679 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,403 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,904 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,327 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,734 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,830 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,659 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,941 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,079 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,264 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,093 |
| Flags of North and South America | 0 | - | 4.99 | 368,056 |
| Flags to Languages | 0 | - | 4.95 | 172,625 |
| Former Flags | 0 | - | 4.97 | 106,823 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,664 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,165 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,858 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 30,939 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 19,339 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,738 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,404 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,132 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,690 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,621 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,581 |
| Flag Maths | 0 | - | 4.78 | 57,686 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,493 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,017 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,473 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,409 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,298 |
| World Coats of Arms | 0 | - | 4.99 | 63,938 |
| Similar Flags #1 | 0 | - | 4.74 | 129,212 |
| Similar Flags #2 | 0 | - | 4.74 | 136,463 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,494 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,907 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,050 |
| Emoji Flags | 0 | - | 4.35 | 43,841 |
| Countries by Road Signs | 0 | - | 4.98 | 53,174 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,087 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,016 |
| Select the World Flags | 0 | - | 4.27 | 37,431 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,365 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,611 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,084 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,716 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,856 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.56 | 46,708 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,242 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,437 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,011 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,429 |
| Name a Valid Country Flag | 0 | - | 4.67 | 74,908 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,228,519 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,350 |
| Pixelated World Map | 0 | - | 5.00 | 142,536 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,165 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,465 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,774 |
| European Cities by Picture #2 | 0 | - | 4.45 | 37,962 |
| Boundary Waters | 0 | - | 4.92 | 88,078 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,845 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,375 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,424 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,897 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,808 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,340 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,928 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,061 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,598 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,171 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,929 |
| Geography by Picture - B | 0 | - | 4.42 | 55,436 |
| Geography by Picture - H | 0 | - | 4.50 | 58,068 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,889 |
| Geography by Picture - T | 0 | - | 4.54 | 57,694 |
| Flags of Oceania | 0 | - | 5.00 | 255,674 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,012 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,512 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,156 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,506 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,905 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,971,909 |
| Flags of WW1 | 0 | - | 4.60 | 37,996 |
| Landlocked Countries | 0 | - | 4.99 | 414,260 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 554,829 |
| Satellite Images #1 | 0 | - | 4.46 | 129,053 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,021 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,673 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,677 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,825 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,425 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,744 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,212 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,073 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,781 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,171 |
| World Capitals Quiz | 0 | - | 5.00 | 5,035,706 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,850 |
| Himalayan Countries | 0 | - | 4.95 | 135,588 |
| Andean Countries | 0 | - | 4.94 | 82,950 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,313 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,355 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,015 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,682 |
| Danube Countries | 0 | - | 4.97 | 71,137 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,844 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,605 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,615 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,527 |
| European Landlocked Countries | 0 | - | 4.99 | 145,835 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,304 |
| Countries with the Most Species | 0 | - | 4.99 | 95,281 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,446 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,221 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,391 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,990 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,629 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,004 |
| Countries in the Alps | 0 | - | 4.86 | 116,926 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,641 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,378 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,066 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,476 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,249 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,060 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,664 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,814 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,526 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,118 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,217 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,081 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,498 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,803 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,795 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,199 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,709 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,289 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,862 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,627 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,884 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,644 |
| Largest Countries By Category | 0 | - | 4.97 | 156,867 |
| Countries by Countries | 0 | - | 4.96 | 62,323 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,508 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,984 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,350 |
| Merged Country Flags | 0 | - | 4.88 | 106,085 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,914 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,182 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,114 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,829 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,722,131 |
| Merged Countries #2 | 0 | - | 4.96 | 98,524 |
| Merged Countries #6 | 0 | - | 4.91 | 72,771 |
| Merged Countries #7 | 0 | - | 4.92 | 82,021 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,782 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,513 |
| Geography by Picture - A | 0 | - | 4.39 | 60,066 |
| Geography by Picture - D | 0 | - | 4.15 | 45,517 |
| Geography by Picture - F | 0 | - | 4.31 | 50,845 |
| Geography by Picture - G | 0 | - | 4.38 | 47,813 |
| Geography by Picture - J | 0 | - | 4.16 | 38,349 |
| Geography by Picture - K | 0 | - | 4.29 | 33,030 |
| Geography by Picture - C | 0 | - | 4.31 | 56,927 |
| Geography by Picture - L | 0 | - | 4.37 | 58,782 |
| Geography by Picture - M | 0 | - | 4.14 | 40,356 |
| Geography by Picture - P | 0 | - | 4.24 | 42,317 |
| Geography by Picture - S | 0 | - | 4.38 | 46,929 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,604 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,253 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,475 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,604 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,677 |
| Longest International Borders | 0 | - | 4.99 | 263,921 |
| Countries with Three Borders | 0 | - | 4.96 | 36,228 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,634 |
