| All Country Flags of the World | 0 | - | 5.00 | 3,715,070 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,546,208 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,097,313 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 736,537 |
| Flags with Crescents | 0 | - | 4.98 | 171,394 |
| Country Flag Trivia | 0 | - | 4.81 | 58,057 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,927 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,457 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,629 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,967 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 86,007 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,506 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,375 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,366 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,936 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,214 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,635 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,356 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,688 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,432 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,367 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,374 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,305 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,368 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,155 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,756 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,172 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,111 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,502 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,937 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,089 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,429 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,674 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,755 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,713 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,796 |
| Flags of North and South America | 0 | - | 4.99 | 377,122 |
| Flags to Languages | 0 | - | 4.95 | 174,533 |
| Former Flags | 0 | - | 4.97 | 108,610 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,245 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,045 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,020 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,232 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,123 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,282 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,607 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,381 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,453 |
| Flag Maths | 0 | - | 4.61 | 57,848 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,887 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,192 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,270 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,070 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,648 |
| World Coats of Arms | 0 | - | 4.99 | 65,168 |
| Similar Flags #1 | 0 | - | 4.75 | 130,809 |
| Similar Flags #2 | 0 | - | 4.74 | 138,088 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 143,600 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,872 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.96 | 172,740 |
| Emoji Flags | 0 | - | 4.35 | 44,295 |
| Countries by Road Signs | 0 | - | 4.98 | 54,359 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,132 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,541 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 26,384 |
| Select the World Flags | 0 | - | 4.28 | 37,998 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,563 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,169 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,782 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,496 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,540 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,134 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,705 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,425 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,065 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,224 |
| Name a Valid Country Flag | 0 | - | 4.70 | 77,024 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,258,407 |
| Flags of Asia Quiz | 0 | - | 4.99 | 620,490 |
| Pixelated World Map | 0 | - | 5.00 | 144,123 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,730 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,699 |
| Satellite Images - Europe | 0 | - | 4.47 | 105,218 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,428 |
| Boundary Waters | 0 | - | 4.92 | 88,773 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,715 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,361 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,980 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,985 |
| Cities by Satellite #1 | 0 | - | 4.36 | 82,431 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,410 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,800 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,380 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,698 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,228 |
| Geography by Picture - B | 0 | - | 4.42 | 55,785 |
| Geography by Picture - H | 0 | - | 4.50 | 58,384 |
| Geography by Picture - N | 0 | - | 4.45 | 42,341 |
| Geography by Picture - R | 0 | - | 4.56 | 41,147 |
| Geography by Picture - T | 0 | - | 4.54 | 58,001 |
| Flags of Oceania | 0 | - | 5.00 | 262,775 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,614 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,467 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,469 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,789 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,484 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,890,582 |
| Flags of WW1 | 0 | - | 4.60 | 38,701 |
| Landlocked Countries | 0 | - | 4.99 | 426,032 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 588,956 |
| Satellite Images #1 | 0 | - | 4.46 | 130,006 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,698 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,402 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,250 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,227 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,594 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,898 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,933 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,415 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,009 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,025 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,064 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,356 |
| Himalayan Countries | 0 | - | 4.93 | 140,319 |
| Andean Countries | 0 | - | 4.94 | 85,505 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,648 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,058 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,229 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,461 |
| Danube Countries | 0 | - | 4.97 | 72,423 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,620 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,857 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,160 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,643 |
| European Landlocked Countries | 0 | - | 4.99 | 147,621 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,330 |
| Countries with the Most Species | 0 | - | 4.99 | 103,575 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,430 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,782 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,892 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,850 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,589 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,032 |
| Countries in the Alps | 0 | - | 4.87 | 118,801 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,678 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,901 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,974 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,038 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,978 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,276 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,427 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,879 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,437 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,194 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,890 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,753 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,572 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,814 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,905 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,890 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,630 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 73,890 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,701 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,786 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,197 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,521 |
| Largest Countries By Category | 0 | - | 4.97 | 158,888 |
| Countries by Countries | 0 | - | 4.96 | 63,662 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,283 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,407 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,676 |
| Merged Country Flags | 0 | - | 4.88 | 107,387 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,039 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,442 |
| Colourful Countries of the World | 0 | - | 4.99 | 60,163 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,119 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,805,349 |
| Merged Countries #2 | 0 | - | 4.96 | 99,891 |
| Merged Countries #4 | 0 | - | 4.81 | 94,134 |
| Merged Countries #6 | 0 | - | 4.90 | 73,819 |
| Merged Countries #7 | 0 | - | 4.93 | 83,162 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,465 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,988 |
| Geography by Picture - A | 0 | - | 4.39 | 60,438 |
| Geography by Picture - D | 0 | - | 4.15 | 45,790 |
| Geography by Picture - F | 0 | - | 4.31 | 51,180 |
| Geography by Picture - G | 0 | - | 4.39 | 48,083 |
| Geography by Picture - J | 0 | - | 4.16 | 38,597 |
| Geography by Picture - K | 0 | - | 4.29 | 33,250 |
| Geography by Picture - C | 0 | - | 4.31 | 57,240 |
| Geography by Picture - L | 0 | - | 4.37 | 59,140 |
| Geography by Picture - M | 0 | - | 4.14 | 40,583 |
| Geography by Picture - P | 0 | - | 4.24 | 42,569 |
| Geography by Picture - S | 0 | - | 4.38 | 47,182 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,808 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,619 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,178 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,134 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,581 |
