| Name the Pixelated Landmark | 0 | - | 4.85 | 63,196 |
| All Country Flags of the World | 0 | - | 5.00 | 3,683,771 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,786 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,540,734 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,589 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,607 |
| Flags with Crescents | 0 | - | 4.98 | 170,352 |
| Country Flag Trivia | 0 | - | 4.81 | 57,436 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,209 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,881 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,868 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,093 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,266 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,900 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,082 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,886 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,559 |
| World Coats of Arms | 0 | - | 4.99 | 64,770 |
| Flags to Languages | 0 | - | 4.95 | 173,962 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,039 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,734 |
| Geography by Picture - B | 0 | - | 4.42 | 55,685 |
| Geography by Picture - H | 0 | - | 4.50 | 58,290 |
| Geography by Picture - N | 0 | - | 4.45 | 42,261 |
| Geography by Picture - R | 0 | - | 4.56 | 41,079 |
| Geography by Picture - T | 0 | - | 4.54 | 57,910 |
| Countries by Road Signs | 0 | - | 4.98 | 54,060 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,895 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,367 |
| Geography by Picture - A | 0 | - | 4.39 | 60,333 |
| Geography by Picture - D | 0 | - | 4.15 | 45,715 |
| Geography by Picture - F | 0 | - | 4.31 | 51,080 |
| Geography by Picture - G | 0 | - | 4.39 | 48,009 |
| Geography by Picture - J | 0 | - | 4.16 | 38,519 |
| Geography by Picture - K | 0 | - | 4.29 | 33,180 |
| Geography by Picture - C | 0 | - | 4.31 | 57,140 |
| Geography by Picture - L | 0 | - | 4.37 | 59,052 |
| Geography by Picture - M | 0 | - | 4.14 | 40,513 |
| Geography by Picture - P | 0 | - | 4.24 | 42,490 |
| Geography by Picture - S | 0 | - | 4.38 | 47,095 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,207 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,114 |
| Flag Maths | 0 | - | 4.64 | 57,796 |
| Satellite Images #1 | 0 | - | 4.47 | 129,499 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,417 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,002 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,020 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,050 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,220 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,578 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,283 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,354 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,011 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,593 |
| Countries by Picture #1 | 0 | - | 4.51 | 118,680 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,917 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,033 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,649 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,954 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,549 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,318 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,307 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,486 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,030 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,627 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,840 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,518 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,730 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,881 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,812 |
| Pixelated World Map | 0 | - | 5.00 | 143,682 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,811 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,809 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,913 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,700 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,332 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,765 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,848 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,255 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,575 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,692 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,034 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,236 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,323 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,203 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,405 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,594 |
| Flags of Africa Quiz | 0 | - | 5.00 | 473,624 |
| Flags of North and South America | 0 | - | 4.99 | 374,587 |
| Emoji Flags | 0 | - | 4.35 | 44,168 |
| Former Flags | 0 | - | 4.97 | 108,018 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,458 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,862 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,044 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,666 |
| Geography by Picture - E | 0 | - | 3.55 | 47,435 |
| Landforms by Picture | 0 | - | 4.31 | 20,706 |
| Geography by Picture - I | 0 | - | 4.00 | 39,474 |
| Geography by Picture - O | 0 | - | 4.01 | 28,181 |
| Cities by Satellite #1 | 0 | - | 4.36 | 81,587 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,198 |
| Countries by Picture #4 | 0 | - | 4.15 | 46,680 |
| Countries by Picture #2 | 0 | - | 4.38 | 72,159 |
| Countries by Picture #5 | 0 | - | 4.25 | 44,571 |
| Countries by Picture #6 | 0 | - | 4.16 | 37,132 |
| Flags of Oceania | 0 | - | 5.00 | 260,758 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,784 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,010 |
| Select the World Flags | 0 | - | 4.27 | 37,849 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,957 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,103 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,426 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,041 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,073 |
| Boundary Waters | 0 | - | 4.92 | 88,602 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,272 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,327 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,807 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,661 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,625 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,071 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,965 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,330 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,862 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,624,659 |
| Landlocked Countries | 0 | - | 4.99 | 422,507 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 578,607 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.50 | 24,848 |
| World Capitals Quiz | 0 | - | 5.00 | 5,086,550 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,782,592 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,209 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,172 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,427 |
| Islands by Picture | 0 | - | 4.28 | 107,302 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,730 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,069 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,481 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,498 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,040 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,249 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,922 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,660 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,669 |
| Island Countries | 0 | - | 4.99 | 711,223 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,784 |
| Himalayan Countries | 0 | - | 4.95 | 138,968 |
| Andean Countries | 0 | - | 4.93 | 84,763 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,985 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,051 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,584 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,907 |
| Danube Countries | 0 | - | 4.97 | 72,089 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,105 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,484 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,432 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,910 |
| European Landlocked Countries | 0 | - | 4.99 | 147,215 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,751 |
| Countries with the Most Species | 0 | - | 4.99 | 103,296 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,867 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,627 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,747 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,591 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,302 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,727 |
| Countries in the Alps | 0 | - | 4.87 | 118,292 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,445 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,151 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,712 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,660 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,576 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,993 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,738 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,560 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,214 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,912 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,687 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,565 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,274 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,530 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,592 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,029 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,360 |
| Similar Flags #1 | 0 | - | 4.75 | 130,324 |
| Similar Flags #2 | 0 | - | 4.74 | 137,617 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,396 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,168 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,214 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,285 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,274 |
| Largest Countries By Category | 0 | - | 4.97 | 158,320 |
| Countries by Countries | 0 | - | 4.96 | 63,307 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,760 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,306 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 142,948 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,579 |
| Merged Country Flags | 0 | - | 4.88 | 107,003 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,770 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,076 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,735 |