| All Country Flags of the World | 0 | - | 5.00 | 3,657,192 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,074 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,329 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,063 |
| Flags with Crescents | 0 | - | 4.98 | 169,356 |
| Country Flag Trivia | 0 | - | 4.81 | 56,938 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,627 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,389 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,253 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,204 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,727 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,507 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,754 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,259 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,137 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,167 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,871 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,988 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,430 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,402 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,337 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,435 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,537 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,316 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,002 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,441 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,673 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,059 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,307 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,346 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,670 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,889 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,989 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,793 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,401 |
| Flags of North and South America | 0 | - | 4.99 | 372,606 |
| Flags to Languages | 0 | - | 4.95 | 173,538 |
| Former Flags | 0 | - | 4.97 | 107,619 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,905 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,480 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,383 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,931 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,439 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,660 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,093 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,431 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,447 |
| Flag Maths | 0 | - | 4.64 | 57,755 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,467 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,426 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,778 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,720 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,474 |
| World Coats of Arms | 0 | - | 4.99 | 64,433 |
| Similar Flags #1 | 0 | - | 4.75 | 129,928 |
| Similar Flags #2 | 0 | - | 4.74 | 137,222 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,462 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,667 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 171,264 |
| Emoji Flags | 0 | - | 4.35 | 44,057 |
| Countries by Road Signs | 0 | - | 4.98 | 53,733 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,536 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,239 |
| Countries by Partial Flag Images #8 | 0 | - | 4.78 | 24,630 |
| Select the World Flags | 0 | - | 4.27 | 37,706 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,897 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,878 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,353 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,049 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 67,139 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,893 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,458 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,367 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,355 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,781 |
| Name a Valid Country Flag | 0 | - | 4.69 | 75,620 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,320 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,724 |
| Pixelated World Map | 0 | - | 5.00 | 143,297 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,428 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 77,042 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,424 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,182 |
| Boundary Waters | 0 | - | 4.92 | 88,427 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,125 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,008 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,331 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,411 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,340 |
| Cities by Satellite #1 | 0 | - | 4.37 | 80,997 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,054 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,329 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,052 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,408 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,108 |
| 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 | 42,192 |
| Geography by Picture - R | 0 | - | 4.56 | 41,014 |
| Geography by Picture - T | 0 | - | 4.54 | 57,827 |
| Flags of Oceania | 0 | - | 5.00 | 258,688 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,151 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 62,963 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,786 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,109 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,656 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,396,064 |
| Flags of WW1 | 0 | - | 4.60 | 38,344 |
| Landlocked Countries | 0 | - | 4.99 | 419,715 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,174 |
| Satellite Images #1 | 0 | - | 4.47 | 129,337 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,277 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,893 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,895 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,965 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,940 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,817 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,545 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,732 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,822 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,045 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,683 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,316 |
| Himalayan Countries | 0 | - | 4.95 | 137,756 |
| Andean Countries | 0 | - | 4.95 | 84,097 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,338 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,870 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,967 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,446 |
| Danube Countries | 0 | - | 4.97 | 71,739 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,665 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,140 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,801 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,878 |
| European Landlocked Countries | 0 | - | 4.99 | 146,863 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,240 |
| Countries with the Most Species | 0 | - | 4.99 | 103,007 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,399 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,621 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,372 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,045 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,440 |
| Countries in the Alps | 0 | - | 4.87 | 117,820 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,217 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,541 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,470 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,308 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,208 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,781 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,374 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,024 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,626 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,524 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,373 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,994 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,261 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,282 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,356 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,117 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,624 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,659 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,744 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,445 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,043 |
| Largest Countries By Category | 0 | - | 4.97 | 157,787 |
| Countries by Countries | 0 | - | 4.96 | 62,925 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,327 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,181 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,487 |
| Merged Country Flags | 0 | - | 4.88 | 106,685 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,809 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,722 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,586 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,414 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,064 |
| Merged Countries #2 | 0 | - | 4.96 | 98,994 |
| Merged Countries #6 | 0 | - | 4.90 | 73,206 |
| Merged Countries #7 | 0 | - | 4.93 | 82,553 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,479 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,771 |
| Geography by Picture - A | 0 | - | 4.39 | 60,233 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| Geography by Picture - J | 0 | - | 4.16 | 38,456 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,056 |
| Geography by Picture - L | 0 | - | 4.37 | 58,942 |
| Geography by Picture - M | 0 | - | 4.14 | 40,447 |
| Geography by Picture - P | 0 | - | 4.24 | 42,429 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,300 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,418 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,783 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,346 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,131 |
| Longest International Borders | 0 | - | 4.99 | 264,814 |
| Countries with Three Borders | 0 | - | 4.96 | 36,496 |
