| All Country Flags of the World | 0 | - | 5.00 | 3,634,971 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,063 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,206 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,720 |
| Flags with Crescents | 0 | - | 4.98 | 168,605 |
| Country Flag Trivia | 0 | - | 4.81 | 56,532 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,113 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,016 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,676 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,910 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,460 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,945 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,266 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,802 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,872 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,705 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,442 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,450 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,144 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,132 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,975 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,166 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,272 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,021 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,737 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,204 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,518 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,921 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,089 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,088 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,399 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,602 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,716 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,262 |
| Flags of North and South America | 0 | - | 4.99 | 370,684 |
| Flags to Languages | 0 | - | 4.95 | 173,126 |
| Former Flags | 0 | - | 4.97 | 107,259 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,801 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,261 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,158 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,494 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,844 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,755 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,407 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,928 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,072 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,067 |
| Flag Maths | 0 | - | 4.64 | 57,715 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,026 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,237 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,643 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,573 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,395 |
| World Coats of Arms | 0 | - | 4.99 | 64,176 |
| Similar Flags #1 | 0 | - | 4.74 | 129,576 |
| Similar Flags #2 | 0 | - | 4.74 | 136,868 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,046 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,340 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,694 |
| Emoji Flags | 0 | - | 4.35 | 43,954 |
| Countries by Road Signs | 0 | - | 4.98 | 53,479 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,315 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,133 |
| Countries by Partial Flag Images #8 | 0 | - | 4.74 | 23,747 |
| Select the World Flags | 0 | - | 4.27 | 37,594 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,603 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,754 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,216 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,885 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,006 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,806 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,369 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,685 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,156 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,598 |
| Name a Valid Country Flag | 0 | - | 4.68 | 75,283 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,210 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,696 |
| Pixelated World Map | 0 | - | 5.00 | 142,955 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,492 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,806 |
| Satellite Images - Europe | 0 | - | 4.47 | 104,117 |
| European Cities by Picture #2 | 0 | - | 4.46 | 38,088 |
| Boundary Waters | 0 | - | 4.92 | 88,281 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,002 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,706 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,910 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,185 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,097 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,683 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,170 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,762 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,254 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,006 |
| Geography by Picture - B | 0 | - | 4.42 | 55,514 |
| Geography by Picture - H | 0 | - | 4.50 | 58,134 |
| Geography by Picture - N | 0 | - | 4.45 | 42,126 |
| Geography by Picture - R | 0 | - | 4.56 | 40,954 |
| Geography by Picture - T | 0 | - | 4.54 | 57,763 |
| Flags of Oceania | 0 | - | 5.00 | 257,310 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,617 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,755 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,474 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,853 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,313 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,207,129 |
| Flags of WW1 | 0 | - | 4.60 | 38,197 |
| Landlocked Countries | 0 | - | 4.99 | 417,211 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,395 |
| Satellite Images #1 | 0 | - | 4.46 | 129,210 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,166 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,799 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,803 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,896 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,706 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,791 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,421 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,431 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,371 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,639 |
| World Capitals Quiz | 0 | - | 5.00 | 5,053,816 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,200 |
| Himalayan Countries | 0 | - | 4.95 | 136,743 |
| Andean Countries | 0 | - | 4.95 | 83,594 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,855 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,148 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,519 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,120 |
| Danube Countries | 0 | - | 4.97 | 71,483 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,294 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,892 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,286 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,280 |
| European Landlocked Countries | 0 | - | 4.99 | 146,188 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,864 |
| Countries with the Most Species | 0 | - | 4.99 | 102,347 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,996 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,353 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,535 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,203 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,851 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,231 |
| Countries in the Alps | 0 | - | 4.86 | 117,424 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,958 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,032 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,298 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,798 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,896 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,315 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,062 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,038 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,858 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,389 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,391 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,233 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,784 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,048 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,054 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,831 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,937 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,464 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,300 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,319 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,729 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,870 |
| Largest Countries By Category | 0 | - | 4.97 | 157,353 |
| Countries by Countries | 0 | - | 4.96 | 62,661 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,947 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,103 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,419 |
| Merged Country Flags | 0 | - | 4.88 | 106,405 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,929 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,451 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,373 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,137 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,744,812 |
| Merged Countries #2 | 0 | - | 4.96 | 98,778 |
| Merged Countries #6 | 0 | - | 4.90 | 73,011 |
| Merged Countries #7 | 0 | - | 4.93 | 82,277 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,171 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,680 |
| 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 | 50,910 |
| Geography by Picture - G | 0 | - | 4.38 | 47,879 |
| Geography by Picture - J | 0 | - | 4.16 | 38,395 |
| 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 | 40,396 |
| Geography by Picture - P | 0 | - | 4.24 | 42,369 |
| Geography by Picture - S | 0 | - | 4.38 | 46,983 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,035 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,341 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,638 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,583 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,943 |
| Longest International Borders | 0 | - | 4.99 | 264,393 |
| Countries with Three Borders | 0 | - | 4.96 | 36,375 |
