| All Country Flags of the World | 0 | - | 5.00 | 3,634,139 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,531,922 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,113 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,675 |
| Flags with Crescents | 0 | - | 4.98 | 168,578 |
| Country Flag Trivia | 0 | - | 4.81 | 56,512 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,098 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,999 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,657 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,903 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,450 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,924 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,239 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,786 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,862 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,685 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,418 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,423 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,137 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,119 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,961 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,159 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,254 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,016 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,721 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,196 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,514 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,916 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,081 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,072 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,389 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,583 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,704 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,257 |
| Flags of North and South America | 0 | - | 4.99 | 370,613 |
| Flags to Languages | 0 | - | 4.95 | 173,109 |
| Former Flags | 0 | - | 4.97 | 107,240 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,796 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,253 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,150 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,479 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,841 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,645 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,400 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,920 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,057 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,056 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,013 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,228 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,632 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,567 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,390 |
| World Coats of Arms | 0 | - | 4.99 | 64,172 |
| Similar Flags #1 | 0 | - | 4.74 | 129,568 |
| Similar Flags #2 | 0 | - | 4.74 | 136,861 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,026 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,325 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,679 |
| Emoji Flags | 0 | - | 4.35 | 43,948 |
| Countries by Road Signs | 0 | - | 4.98 | 53,471 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,304 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,129 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,705 |
| Select the World Flags | 0 | - | 4.27 | 37,588 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,593 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,748 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,214 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,881 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,004 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,802 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,365 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,680 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,153 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,591 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,271 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,235,856 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,567 |
| Pixelated World Map | 0 | - | 5.00 | 142,937 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,389 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,800 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,110 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,084 |
| Boundary Waters | 0 | - | 4.92 | 88,266 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,994 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,696 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,896 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,175 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,088 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,674 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,168 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,755 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,253 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,001 |
| Geography by Picture - B | 0 | - | 4.42 | 55,512 |
| Geography by Picture - H | 0 | - | 4.50 | 58,134 |
| Geography by Picture - N | 0 | - | 4.45 | 42,124 |
| Geography by Picture - R | 0 | - | 4.56 | 40,952 |
| Geography by Picture - T | 0 | - | 4.54 | 57,760 |
| Flags of Oceania | 0 | - | 5.00 | 257,252 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,600 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,737 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,466 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,839 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,296 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,199,767 |
| Flags of WW1 | 0 | - | 4.60 | 38,192 |
| Landlocked Countries | 0 | - | 4.99 | 417,117 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,132 |
| Satellite Images #1 | 0 | - | 4.46 | 129,205 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,161 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,793 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,801 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,894 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,698 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,789 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,404 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,419 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,349 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,618 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,288 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,152 |
| Himalayan Countries | 0 | - | 4.95 | 136,706 |
| Andean Countries | 0 | - | 4.95 | 83,577 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,839 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,125 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,501 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,098 |
| Danube Countries | 0 | - | 4.97 | 71,477 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,286 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,886 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,266 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,255 |
| European Landlocked Countries | 0 | - | 4.99 | 146,177 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,842 |
| Countries with the Most Species | 0 | - | 4.99 | 102,290 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,976 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,351 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,532 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,199 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,845 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,221 |
| Countries in the Alps | 0 | - | 4.86 | 117,402 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,945 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,014 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,290 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,789 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,884 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,307 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,044 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,028 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,851 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,386 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,387 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,224 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,773 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,036 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,044 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,810 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,927 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,457 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,289 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,269 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,706 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,863 |
| Largest Countries By Category | 0 | - | 4.97 | 157,339 |
| Countries by Countries | 0 | - | 4.96 | 62,651 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,936 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,096 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,415 |
| Merged Country Flags | 0 | - | 4.88 | 106,392 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,899 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,441 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,361 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,136 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,090 |
| Merged Countries #2 | 0 | - | 4.96 | 98,768 |
| Merged Countries #6 | 0 | - | 4.90 | 73,002 |
| Merged Countries #7 | 0 | - | 4.93 | 82,263 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,161 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,669 |
| Geography by Picture - A | 0 | - | 4.39 | 60,149 |
| Geography by Picture - D | 0 | - | 4.15 | 45,573 |
| Geography by Picture - F | 0 | - | 4.31 | 50,908 |
| Geography by Picture - G | 0 | - | 4.38 | 47,878 |
| Geography by Picture - J | 0 | - | 4.16 | 38,394 |
| Geography by Picture - K | 0 | - | 4.29 | 33,066 |
| Geography by Picture - C | 0 | - | 4.31 | 56,999 |
| Geography by Picture - L | 0 | - | 4.37 | 58,859 |
| Geography by Picture - M | 0 | - | 4.14 | 40,395 |
| Geography by Picture - P | 0 | - | 4.24 | 42,368 |
| Geography by Picture - S | 0 | - | 4.38 | 46,982 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,012 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,335 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,629 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,486 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,924 |
| Longest International Borders | 0 | - | 4.99 | 264,373 |
| Countries with Three Borders | 0 | - | 4.96 | 36,371 |
