| Former Countries by Territory Map | 0 | - | 4.96 | 102,799 |
| Empires by Maps | 0 | - | 4.98 | 120,459 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,268 |
| Name that Object #1 | 0 | - | 3.57 | 96,502 |
| Visual Memory Test - Random Cartoons | 0 | - | 4.98 | 104,353 |
| Play-Doh People from History | 0 | - | 4.99 | 94,800 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,618 |
| All Country Flags of the World | 0 | - | 5.00 | 3,663,965 |
| Years in History by Picture | 0 | - | 4.44 | 35,521 |
| Famous Foreheads #1 | 0 | - | 4.47 | 74,921 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,537,212 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,934 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,434 |
| Old Movies by Picture | 0 | - | 4.51 | 25,099 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,036 |
| Name that Object #2 | 0 | - | 3.64 | 15,449 |
| Name that Object #3 | 0 | - | 3.93 | 14,405 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,492 |
| Make a Stained Glass Window | 0 | - | 4.99 | 68,518 |
| Flags with Crescents | 0 | - | 4.98 | 169,591 |
| Country Flag Trivia | 0 | - | 4.81 | 57,036 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,775 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,520 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,441 |
| Flag Emblems Scavenger Hunt | 0 | - | 5.00 | 67,279 |
| Flags by Horizontal Stripes #1 | 0 | - | 4.84 | 85,239 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,810 |
| Random Logos Quiz | 0 | - | 4.31 | 208,453 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 180,548 |
| National Football Team Logos | 0 | - | 4.85 | 180,387 |
| Pictures by Letter - A | 0 | - | 4.17 | 33,438 |
| Pictures by Letter - J | 0 | - | 4.31 | 40,051 |
| Pictures by Letter - B | 0 | - | 4.31 | 43,990 |
| Pictures by Letter - D | 0 | - | 4.13 | 37,604 |
| Pictures by Letter - M | 0 | - | 4.24 | 37,817 |
| Fruits by Picture | 0 | - | 4.19 | 807,297 |
| Geography by Picture - B | 0 | - | 4.42 | 55,612 |
| Geography by Picture - H | 0 | - | 4.50 | 58,231 |
| Geography by Picture - N | 0 | - | 4.45 | 42,207 |
| Geography by Picture - R | 0 | - | 4.56 | 41,030 |
| Geography by Picture - T | 0 | - | 4.54 | 57,847 |
| All North American Pro Sports Logos | 0 | - | 4.70 | 115,117 |
| Flags to Languages | 0 | - | 4.95 | 173,640 |
| Pictures by Letter - E | 0 | - | 3.49 | 34,506 |
| Pictures by Letter - G | 0 | - | 4.14 | 28,182 |
| Pictures by Letter - L | 0 | - | 4.14 | 30,579 |
| Pictures by Letter - F | 0 | - | 4.17 | 29,064 |
| Pictures by Letter - Z | 0 | - | 4.05 | 23,470 |
| Pictures by Letter - Y | 0 | - | 4.21 | 26,318 |
| Pictures by Letter - R | 0 | - | 4.05 | 24,781 |
| Pictures by Letter - K | 0 | - | 4.18 | 25,142 |
| Pictures by Letter - I | 0 | - | 4.16 | 30,402 |
| Pictures by Letter - N | 0 | - | 4.11 | 24,511 |
| Pictures by Letter - P | 0 | - | 4.05 | 26,072 |
| Pictures by Letter - U | 0 | - | 4.10 | 20,797 |
| Pictures by Letter - T | 0 | - | 4.34 | 27,707 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,537 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,563 |
| Car Logos Quiz #1 | 0 | - | 4.45 | 539,136 |
| Name that Bug | 0 | - | 4.12 | 45,561 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,365 |
| 1970s Celebrities by Picture #1 | 0 | - | 4.20 | 57,957 |
| 1970s Celebrities by Picture #2 | 0 | - | 4.21 | 50,695 |
| Elements by Picture | 0 | - | 4.27 | 69,957 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,324 |
| Islands by Picture | 0 | - | 4.28 | 106,971 |
| Classic Movies by Movie Posters | 0 | - | 4.45 | 24,269 |
| Geography by Picture - A | 0 | - | 4.39 | 60,262 |
| Geography by Picture - D | 0 | - | 4.15 | 45,664 |
| Geography by Picture - F | 0 | - | 4.31 | 51,011 |
| Geography by Picture - G | 0 | - | 4.38 | 47,952 |
| Geography by Picture - J | 0 | - | 4.16 | 38,470 |
| Geography by Picture - K | 0 | - | 4.29 | 33,132 |
| Geography by Picture - C | 0 | - | 4.31 | 57,080 |
| Geography by Picture - L | 0 | - | 4.37 | 58,970 |
| Geography by Picture - M | 0 | - | 4.14 | 40,467 |
| Geography by Picture - P | 0 | - | 4.24 | 42,441 |
| Geography by Picture - S | 0 | - | 4.38 | 47,045 |
| Video Game Logos Quiz | 0 | - | 4.40 | 184,023 |
| Movie Logos | 0 | - | 4.33 | 238,499 |
| History by Picture - A | 0 | - | 4.26 | 45,823 |
| History by Picture - B | 0 | - | 4.40 | 49,005 |
| History by Picture - C | 0 | - | 4.36 | 54,513 |
| History by Picture - F | 0 | - | 4.35 | 37,911 |
| History by Picture - G | 0 | - | 4.40 | 42,169 |
| History by Picture - D | 0 | - | 4.29 | 44,336 |
| History by Picture - E | 0 | - | 4.25 | 43,956 |
| History by Picture - H | 0 | - | 4.37 | 36,817 |
| History by Picture - K | 0 | - | 4.35 | 33,381 |
| History by Picture - M | 0 | - | 4.17 | 36,172 |
| History by Picture - N | 0 | - | 4.40 | 41,289 |
| History by Picture - O | 0 | - | 4.39 | 36,340 |
| History by Picture - T | 0 | - | 4.20 | 33,333 |
| Three Real and One Fake - Country Flags | 0 | - | 4.97 | 84,102 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,870 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,647 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,234 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,829 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,414 |
| 1940s Celebrities by Picture | 0 | - | 4.43 | 48,023 |
| International Footballers by Picture | 0 | - | 4.50 | 55,633 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,592 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,688 |
| Name that Historical Figure #7 - U.S. Edition | 0 | - | 4.51 | 50,811 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,467 |
| Flag Maths | 0 | - | 4.64 | 57,763 |
| Satellite Images #1 | 0 | - | 4.47 | 129,379 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,314 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,919 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,933 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,989 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,021 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,014 |
| Soccer Team Logos | 0 | - | 4.26 | 374,573 |
| Car Logos Quiz #2 | 0 | - | 4.43 | 261,993 |
| Brand Logos That Start With M | 0 | - | 4.40 | 62,869 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,341 |
| Name that Nut, Seed, or Bean | 0 | - | 4.63 | 57,301 |
| Foods by Picture | 0 | - | 3.81 | 226,112 |
| Junk Foods by Picture | 0 | - | 3.69 | 96,392 |
| Christmas by Picture | 0 | - | 4.26 | 28,175 |
| Hats by Picture | 0 | - | 4.21 | 17,967 |
| Weapons by Picture | 0 | - | 4.13 | 21,061 |
| Cars by Picture | 0 | - | 3.89 | 41,517 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,299 |
| Plants by Picture | 0 | - | 4.24 | 14,446 |
| 1980s Movie Silhouettes | 0 | - | 4.97 | 103,832 |
| Women in History by Picture | 0 | - | 4.25 | 25,926 |
| Famous Foreheads #2 | 0 | - | 3.17 | 15,777 |
| Geography by Picture - E | 0 | - | 3.55 | 47,387 |
| Landforms by Picture | 0 | - | 4.31 | 20,680 |
| Geography by Picture - I | 0 | - | 4.00 | 39,436 |
| Geography by Picture - O | 0 | - | 4.01 | 28,145 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,567 |
| Pictures by Letter - H | 0 | - | 3.97 | 30,502 |
| Pictures by Letter - C | 0 | - | 3.99 | 30,233 |
| Pictures by Letter - O | 0 | - | 3.98 | 28,705 |
| Pictures by Letter - Q | 0 | - | 3.92 | 20,453 |
| Pictures by Letter - S | 0 | - | 3.82 | 20,977 |
| Pictures by Letter - W | 0 | - | 3.87 | 20,158 |
| Pictures by Letter - V | 0 | - | 4.00 | 18,000 |
| History by Picture - I | 0 | - | 4.24 | 26,251 |
| History by Picture - J | 0 | - | 4.18 | 26,748 |
| History by Picture - L | 0 | - | 4.18 | 30,805 |
| History by Picture - P | 0 | - | 4.08 | 25,312 |
| History by Picture - Q | 0 | - | 4.03 | 22,099 |
| History by Picture - R | 0 | - | 4.13 | 26,868 |
| History by Picture - S | 0 | - | 4.14 | 27,810 |
| History by Picture - U | 0 | - | 4.24 | 25,155 |
| History by Picture - V | 0 | - | 4.30 | 25,132 |
| History by Picture - W | 0 | - | 4.01 | 21,661 |
| Art Works Picture Quiz #1 | 0 | - | 4.51 | 119,128 |
| Art Works Picture Quiz #2 | 0 | - | 4.49 | 105,328 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 268,951 |
| Flowers by Picture | 0 | - | 4.46 | 105,651 |
| Art Works Picture Quiz #3 | 0 | - | 4.45 | 48,744 |
| Authors by Picture | 0 | - | 4.48 | 25,536 |
| Fruit and Vegetable Emojis | 0 | - | 4.44 | 89,615 |
| College Sports Logos Quiz #3 | 0 | - | 4.30 | 55,789 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,843 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 65,993 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 58,881 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,550 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,463 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,128 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,134 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,644 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,247 |
| Oscar Nominated Actors by Picture #1 | 0 | - | 4.42 | 165,190 |
| 1960s Celebrities by Picture #1 | 0 | - | 4.27 | 70,426 |
| 1960s Celebrities by Picture #2 | 0 | - | 4.26 | 51,430 |
| 1950s Celebrities by Picture #1 | 0 | - | 4.24 | 51,195 |
| 1980s Celebrities by Picture #2 | 0 | - | 4.19 | 71,733 |
| 1990s Celebrities by Picture #1 | 0 | - | 4.13 | 79,445 |
| 1990s Celebrities by Picture #2 | 0 | - | 4.16 | 72,445 |
| 2000s Celebrities by Picture #2 | 0 | - | 4.15 | 95,588 |
| 1950s Celebrities by Picture #2 | 0 | - | 4.29 | 46,168 |
| Name that Historical Figure #3 | 0 | - | 4.36 | 239,390 |
| Name that Historical Figure #4 | 0 | - | 4.29 | 159,151 |
| Name that Historical Figure #6 | 0 | - | 4.26 | 93,318 |
| Musicians by Picture #1 | 0 | - | 4.37 | 108,800 |
| Musicians by Picture #2 | 0 | - | 4.29 | 76,443 |
| Musicians by Picture #4 | 0 | - | 4.07 | 64,922 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,005 |
| Emoji Flags | 0 | - | 4.35 | 44,095 |
| Fill the Map of Europe by Guessing Flag Colors | 0 | - | 4.67 | 37,869 |
| Languages by Combined Flags | 0 | - | 4.53 | 100,014 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,399 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,429 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,748 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,812 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,538 |
| Airline Logos | 0 | - | 4.45 | 140,735 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,423,076 |
| Fast Food Logos Quiz | 0 | - | 4.45 | 248,408 |
| Mostly-American Candy Logos | 0 | - | 4.14 | 159,070 |
| Brand Logos That Start With S | 0 | - | 4.37 | 57,644 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,021 |
| Brand Logos That Start With D | 0 | - | 4.37 | 61,577 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,187 |
