| All Country Flags of the World | 0 | - | 5.00 | 3,658,323 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,212 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,400 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,115 |
| Flags with Crescents | 0 | - | 4.98 | 169,377 |
| Country Flag Trivia | 0 | - | 4.81 | 56,951 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,645 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,419 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,272 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,221 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,739 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,528 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,776 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,290 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,153 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,189 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,894 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,008 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,446 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,426 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,355 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,455 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,552 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,331 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,016 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,452 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,676 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,067 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,313 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,359 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,682 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,903 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,999 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,810 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,406 |
| Flags of North and South America | 0 | - | 4.99 | 372,686 |
| Flags to Languages | 0 | - | 4.95 | 173,555 |
| Former Flags | 0 | - | 4.97 | 107,635 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,911 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,490 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,395 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,934 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,561 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,669 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,099 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,452 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,462 |
| Flag Maths | 0 | - | 4.64 | 57,757 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,480 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,433 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,783 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,725 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,476 |
| World Coats of Arms | 0 | - | 4.99 | 64,443 |
| Similar Flags #1 | 0 | - | 4.75 | 129,947 |
| Similar Flags #2 | 0 | - | 4.74 | 137,238 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,474 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,681 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,295 |
| Emoji Flags | 0 | - | 4.35 | 44,067 |
| Countries by Road Signs | 0 | - | 4.98 | 53,739 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,543 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,242 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,680 |
| Select the World Flags | 0 | - | 4.27 | 37,712 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,909 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,881 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,358 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,056 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,145 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,901 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,464 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,378 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,361 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,787 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,638 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,600 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,836 |
| Pixelated World Map | 0 | - | 5.00 | 143,308 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,535 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,050 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,432 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,184 |
| Boundary Waters | 0 | - | 4.92 | 88,434 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,128 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,016 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,347 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,416 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,352 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,005 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,057 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,333 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,056 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,413 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,111 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,016 |
| Geography by Picture - T | 0 | - | 4.54 | 57,830 |
| Flags of Oceania | 0 | - | 5.00 | 258,744 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,169 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,970 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,798 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,120 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,670 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,405,159 |
| Flags of WW1 | 0 | - | 4.60 | 38,351 |
| Landlocked Countries | 0 | - | 4.99 | 419,812 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,507 |
| Satellite Images #1 | 0 | - | 4.47 | 129,344 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,281 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,896 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,903 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,966 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,950 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,819 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,551 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,749 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,840 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,061 |
| World Capitals Quiz | 0 | - | 5.00 | 5,069,386 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,371 |
| Himalayan Countries | 0 | - | 4.95 | 137,798 |
| Andean Countries | 0 | - | 4.95 | 84,118 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,345 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,900 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,981 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,458 |
| Danube Countries | 0 | - | 4.97 | 71,751 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,678 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,151 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,827 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,898 |
| European Landlocked Countries | 0 | - | 4.99 | 146,874 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,258 |
| Countries with the Most Species | 0 | - | 4.99 | 103,016 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,419 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,460 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,629 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,379 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,054 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,450 |
| Countries in the Alps | 0 | - | 4.87 | 117,839 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,231 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,564 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,476 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,359 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,220 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,783 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,384 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,269 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,028 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,633 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,529 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,377 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,997 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,270 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,290 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,387 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,124 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,633 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,687 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,807 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,477 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,051 |
| Largest Countries By Category | 0 | - | 4.97 | 157,800 |
| Countries by Countries | 0 | - | 4.97 | 62,938 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,352 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,492 |
| Merged Country Flags | 0 | - | 4.88 | 106,697 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,849 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,735 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,599 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,426 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,890 |
| Merged Countries #2 | 0 | - | 4.96 | 99,007 |
| Merged Countries #6 | 0 | - | 4.90 | 73,211 |
| Merged Countries #7 | 0 | - | 4.93 | 82,561 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,490 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,780 |
| Geography by Picture - A | 0 | - | 4.39 | 60,239 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,988 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,060 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,309 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,424 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,797 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,373 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,136 |
| Longest International Borders | 0 | - | 4.99 | 264,829 |
| Countries with Three Borders | 0 | - | 4.96 | 36,501 |
