| All Country Flags of the World | 0 | - | 5.00 | 3,636,198 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,269 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,346 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,800 |
| Flags with Crescents | 0 | - | 4.98 | 168,649 |
| Country Flag Trivia | 0 | - | 4.81 | 56,552 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,141 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,036 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,706 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,927 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,475 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,969 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,296 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,827 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,885 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,724 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,450 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,485 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,153 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,142 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,989 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,179 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,283 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,033 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,743 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,210 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,527 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,930 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,101 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,103 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,410 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,622 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,723 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,270 |
| Flags of North and South America | 0 | - | 4.99 | 370,809 |
| Flags to Languages | 0 | - | 4.95 | 173,148 |
| Former Flags | 0 | - | 4.97 | 107,283 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,810 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,274 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,169 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,509 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,852 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,843 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,421 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,935 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,090 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,101 |
| Flag Maths | 0 | - | 4.64 | 57,716 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,039 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,247 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,648 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,583 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,402 |
| World Coats of Arms | 0 | - | 4.99 | 64,196 |
| Similar Flags #1 | 0 | - | 4.74 | 129,598 |
| Similar Flags #2 | 0 | - | 4.74 | 136,887 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,061 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,360 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,717 |
| Emoji Flags | 0 | - | 4.35 | 43,957 |
| Countries by Road Signs | 0 | - | 4.98 | 53,492 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,326 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,136 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,803 |
| Select the World Flags | 0 | - | 4.27 | 37,599 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,617 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,760 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,225 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,891 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,012 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,809 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,375 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,701 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,166 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,606 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,297 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,541 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,850 |
| Pixelated World Map | 0 | - | 5.00 | 142,966 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,640 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,816 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,141 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,091 |
| Boundary Waters | 0 | - | 4.92 | 88,294 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,014 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,720 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,939 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,199 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,116 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,703 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,989 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,178 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,781 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,265 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,009 |
| Geography by Picture - B | 0 | - | 4.42 | 55,515 |
| Geography by Picture - H | 0 | - | 4.50 | 58,140 |
| Geography by Picture - N | 0 | - | 4.45 | 42,131 |
| Geography by Picture - R | 0 | - | 4.56 | 40,956 |
| Geography by Picture - T | 0 | - | 4.54 | 57,766 |
| Flags of Oceania | 0 | - | 5.00 | 257,409 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,645 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,761 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,493 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,869 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,329 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,217,840 |
| Flags of WW1 | 0 | - | 4.60 | 38,204 |
| Landlocked Countries | 0 | - | 4.99 | 417,329 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,764 |
| Satellite Images #1 | 0 | - | 4.46 | 129,214 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,169 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,806 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,807 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,898 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,716 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,793 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,430 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,445 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,405 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,661 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,691 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,244 |
| Himalayan Countries | 0 | - | 4.95 | 136,782 |
| Andean Countries | 0 | - | 4.95 | 83,615 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,874 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,175 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,544 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,137 |
| Danube Countries | 0 | - | 4.97 | 71,491 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,319 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,910 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,315 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,316 |
| European Landlocked Countries | 0 | - | 4.99 | 146,201 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,890 |
| Countries with the Most Species | 0 | - | 4.99 | 102,433 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,016 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,358 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,538 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,860 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,239 |
| Countries in the Alps | 0 | - | 4.86 | 117,443 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,969 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,054 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,310 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,813 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,908 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,326 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,082 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,049 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,867 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,400 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,402 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,244 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,792 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,058 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,068 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,859 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,943 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,473 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,411 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,776 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,879 |
| Largest Countries By Category | 0 | - | 4.97 | 157,367 |
| Countries by Countries | 0 | - | 4.96 | 62,677 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,964 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,110 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,428 |
| Merged Country Flags | 0 | - | 4.88 | 106,420 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,985 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,466 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,385 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,156 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,858 |
| Merged Countries #2 | 0 | - | 4.96 | 98,790 |
| Merged Countries #6 | 0 | - | 4.90 | 73,027 |
| Merged Countries #7 | 0 | - | 4.93 | 82,290 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,200 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,684 |
| Geography by Picture - A | 0 | - | 4.39 | 60,151 |
| Geography by Picture - D | 0 | - | 4.15 | 45,576 |
| Geography by Picture - F | 0 | - | 4.31 | 50,915 |
| Geography by Picture - G | 0 | - | 4.38 | 47,880 |
| Geography by Picture - J | 0 | - | 4.16 | 38,398 |
| Geography by Picture - K | 0 | - | 4.29 | 33,070 |
| Geography by Picture - C | 0 | - | 4.31 | 57,002 |
| Geography by Picture - L | 0 | - | 4.37 | 58,862 |
| Geography by Picture - M | 0 | - | 4.14 | 40,397 |
| Geography by Picture - P | 0 | - | 4.24 | 42,372 |
| Geography by Picture - S | 0 | - | 4.38 | 46,985 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,065 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,348 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,645 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,692 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,959 |
| Longest International Borders | 0 | - | 4.99 | 264,416 |
| Countries with Three Borders | 0 | - | 4.96 | 36,379 |
