| All Country Flags of the World | 0 | - | 5.00 | 3,601,920 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,154 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,030 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,526,309 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,087,374 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 729,650 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,456 |
| Flags with Crescents | 0 | - | 4.98 | 167,549 |
| Country Flag Trivia | 0 | - | 4.81 | 55,933 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,413 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,452 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,907 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 66,460 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,032 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,358 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,362 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,961 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,446 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,356 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,276 |
| World Coats of Arms | 0 | - | 4.99 | 63,855 |
| Flags to Languages | 0 | - | 4.95 | 172,486 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,438 |
| Geography by Picture - B | 0 | - | 4.42 | 55,414 |
| Geography by Picture - H | 0 | - | 4.49 | 58,045 |
| Geography by Picture - N | 0 | - | 4.45 | 42,048 |
| Geography by Picture - R | 0 | - | 4.55 | 40,877 |
| Geography by Picture - T | 0 | - | 4.54 | 57,676 |
| Countries by Road Signs | 0 | - | 4.98 | 53,099 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,993 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,296 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,360 |
| Flag Maths | 0 | - | 4.78 | 57,676 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 129,006 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,984 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,651 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,649 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,808 |
| Geography by Picture - A | 0 | - | 4.39 | 60,050 |
| Geography by Picture - D | 0 | - | 4.15 | 45,493 |
| Geography by Picture - F | 0 | - | 4.31 | 50,824 |
| Geography by Picture - G | 0 | - | 4.38 | 47,787 |
| Geography by Picture - J | 0 | - | 4.16 | 38,334 |
| Geography by Picture - K | 0 | - | 4.28 | 33,015 |
| Geography by Picture - C | 0 | - | 4.31 | 56,908 |
| Geography by Picture - L | 0 | - | 4.37 | 58,761 |
| Geography by Picture - M | 0 | - | 4.14 | 40,346 |
| Geography by Picture - P | 0 | - | 4.24 | 42,298 |
| Geography by Picture - S | 0 | - | 4.38 | 46,909 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,041 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,683 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,825 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,683 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,224 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,374 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,982 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,386 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,742 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,102 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,003 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,226,632 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,557 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,737 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,207 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,895 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,362 |
| Flags that are Red & White Only | 0 | - | 4.97 | 161,007 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,639 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,166 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,623 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,629 |
| Pixelated World Map | 0 | - | 5.00 | 142,431 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,375 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,734 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,790 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,573 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,287 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,815 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,263 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,672 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,758 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,390 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,695 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,746 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,971 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,034 |
| Flags of Africa Quiz | 0 | - | 5.00 | 463,348 |
| Flags of North and South America | 0 | - | 4.99 | 367,215 |
| Emoji Flags | 0 | - | 4.35 | 43,813 |
| Former Flags | 0 | - | 4.97 | 106,690 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,242 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,672 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,621 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,790 |
| Geography by Picture - E | 0 | - | 3.55 | 47,277 |
| Landforms by Picture | 0 | - | 4.31 | 20,573 |
| Geography by Picture - I | 0 | - | 4.00 | 39,313 |
| Flags of Oceania | 0 | - | 5.00 | 255,197 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,858 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,069 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,410 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,809 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,275 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,910 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,418 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,579 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,040 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,565 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,151 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,917 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,561 |
| Select the World Flags | 0 | - | 4.27 | 37,402 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,465 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,535 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,703 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,062 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,626 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,524 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,739 |
| Boundary Waters | 0 | - | 4.92 | 88,042 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,814 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,281 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,291 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,834 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,735 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,917,013 |
| Landlocked Countries | 0 | - | 4.99 | 413,572 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,906 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,074 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,242 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,160 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,997 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,612 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,978 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 122,979 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,221 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,573 |
| Himalayan Countries | 0 | - | 4.95 | 135,340 |
| Andean Countries | 0 | - | 4.94 | 82,820 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,207 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,198 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,889 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,598 |
| Danube Countries | 0 | - | 4.97 | 71,077 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,756 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,532 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,466 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,384 |
| European Landlocked Countries | 0 | - | 4.99 | 145,747 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,200 |
| Countries with the Most Species | 0 | - | 4.99 | 95,239 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,334 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,197 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,368 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,957 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,572 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,949 |
| Countries in the Alps | 0 | - | 4.86 | 116,817 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,557 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,250 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,000 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,414 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,155 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,998 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,571 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,744 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,275 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,045 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,194 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,040 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,450 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,738 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,749 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,054 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,636 |
| Similar Flags #1 | 0 | - | 4.74 | 129,095 |
| Similar Flags #2 | 0 | - | 4.74 | 136,363 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,252 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,767 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,270 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,666 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,599 |
| Largest Countries By Category | 0 | - | 4.97 | 156,752 |
| Countries by Countries | 0 | - | 4.96 | 62,251 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,378 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,962 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,388 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,331 |
| Merged Country Flags | 0 | - | 4.88 | 106,011 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,671 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,098 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,049 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,761 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,716,327 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,785 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,711 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,485 |
| Geography by Picture - O | 0 | - | 3.99 | 28,045 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 169,903 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,549 |
