| All Country Flags of the World | 0 | - | 5.00 | 3,717,937 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,648 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,574 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,699 |
| Flags with Crescents | 0 | - | 4.98 | 171,493 |
| Country Flag Trivia | 0 | - | 4.82 | 58,154 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,001 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,512 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,710 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 68,027 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,058 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,537 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,442 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,439 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,018 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,251 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,693 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,412 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,758 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,473 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,409 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,420 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,345 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,411 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,195 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,798 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,211 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,140 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,520 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,971 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,109 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,459 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,709 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,781 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,748 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,810 |
| Flags of North and South America | 0 | - | 4.99 | 377,392 |
| Flags to Languages | 0 | - | 4.95 | 174,583 |
| Former Flags | 0 | - | 4.97 | 108,670 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,261 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,068 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,048 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,246 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,581 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,315 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,632 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,426 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,516 |
| Flag Maths | 0 | - | 4.61 | 57,855 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,924 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,213 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,293 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,082 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,656 |
| World Coats of Arms | 0 | - | 4.99 | 65,221 |
| Similar Flags #1 | 0 | - | 4.75 | 130,858 |
| Similar Flags #2 | 0 | - | 4.74 | 138,120 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,643 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,909 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,799 |
| Emoji Flags | 0 | - | 4.35 | 44,302 |
| Countries by Road Signs | 0 | - | 4.98 | 54,389 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,178 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,560 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,478 |
| Select the World Flags | 0 | - | 4.28 | 38,008 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,593 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,186 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,802 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,513 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,556 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,147 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,725 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,459 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,079 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,231 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,051 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,259,282 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,938 |
| Pixelated World Map | 0 | - | 5.00 | 144,150 |
| Flags of Africa Quiz | 0 | - | 5.00 | 478,203 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,728 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,245 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,438 |
| Boundary Waters | 0 | - | 4.92 | 88,794 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,752 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,406 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,005 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,019 |
| Cities by Satellite #1 | 0 | - | 4.37 | 82,489 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,434 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,815 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,404 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,712 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,242 |
| Geography by Picture - B | 0 | - | 4.42 | 55,799 |
| Geography by Picture - H | 0 | - | 4.50 | 58,402 |
| Geography by Picture - N | 0 | - | 4.45 | 42,362 |
| Geography by Picture - R | 0 | - | 4.56 | 41,165 |
| Geography by Picture - T | 0 | - | 4.54 | 58,020 |
| Flags of Oceania | 0 | - | 5.00 | 262,996 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,674 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,517 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,493 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,808 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,523 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,915,541 |
| Flags of WW1 | 0 | - | 4.60 | 38,727 |
| Landlocked Countries | 0 | - | 4.99 | 426,455 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 589,840 |
| Satellite Images #1 | 0 | - | 4.46 | 130,027 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,719 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,419 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,267 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,243 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,609 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,902 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,950 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,443 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,053 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,081 |
| World Capitals Quiz | 0 | - | 5.00 | 5,109,144 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,517 |
| Himalayan Countries | 0 | - | 4.93 | 140,454 |
| Andean Countries | 0 | - | 4.94 | 85,594 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,736 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,192 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,299 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,539 |
| Danube Countries | 0 | - | 4.97 | 72,464 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,674 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,896 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,247 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,720 |
| European Landlocked Countries | 0 | - | 4.99 | 147,661 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,387 |
| Countries with the Most Species | 0 | - | 4.99 | 103,599 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,495 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,788 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,910 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,872 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,612 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,063 |
| Countries in the Alps | 0 | - | 4.87 | 118,847 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,771 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,978 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,006 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,082 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,027 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,314 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,468 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,912 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,459 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,224 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,909 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,776 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,599 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,842 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,940 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,969 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,654 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 75,351 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,736 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,925 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,275 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,547 |
| Largest Countries By Category | 0 | - | 4.97 | 158,941 |
| Countries by Countries | 0 | - | 4.96 | 63,700 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,321 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,422 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,686 |
| Merged Country Flags | 0 | - | 4.88 | 107,417 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,142 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,466 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,188 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,144 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,807,459 |
| Merged Countries #2 | 0 | - | 4.96 | 99,910 |
| Merged Countries #4 | 0 | - | 4.81 | 94,150 |
| Merged Countries #6 | 0 | - | 4.90 | 73,844 |
| Merged Countries #7 | 0 | - | 4.93 | 83,178 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,513 |
| Western Europe Map Quiz | 0 | - | 4.85 | 94,006 |
| Geography by Picture - A | 0 | - | 4.39 | 60,453 |
| Geography by Picture - D | 0 | - | 4.15 | 45,799 |
| Geography by Picture - F | 0 | - | 4.31 | 51,198 |
| Geography by Picture - G | 0 | - | 4.39 | 48,095 |
| Geography by Picture - J | 0 | - | 4.16 | 38,614 |
| Geography by Picture - K | 0 | - | 4.29 | 33,262 |
| Geography by Picture - C | 0 | - | 4.31 | 57,253 |
| Geography by Picture - L | 0 | - | 4.37 | 59,154 |
| Geography by Picture - M | 0 | - | 4.14 | 40,596 |
| Geography by Picture - P | 0 | - | 4.24 | 42,581 |
| Geography by Picture - S | 0 | - | 4.38 | 47,192 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,835 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,628 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,192 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,219 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,598 |
