| International Scientific Units | 0 | - | 4.95 | 156,885 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,783 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,243,389 |
| Elements by Symbol | 0 | - | 4.92 | 197,282 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,708 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,233 |
| Noble Gases | 0 | - | 4.89 | 78,190 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,598 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,290 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,690 |
| Name the Virus | 0 | - | 4.87 | 76,766 |
| Major Taxonomic Ranks | 0 | - | 4.56 | 80,587 |
| Famous Scientists | 0 | - | 4.57 | 42,652 |
| Scientific Names | 0 | - | 4.32 | 78,473 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,990 |
| Elemental Words | 0 | - | 4.96 | 52,299 |
| Metals of Antiquity | 0 | - | 4.95 | 93,443 |
| Famous Effects | 0 | - | 4.62 | 12,518 |
| Click to Translate - Latin | 0 | - | 4.97 | 43,970 |
| Famous Painting to Artist Click Quiz | 0 | - | 4.93 | 43,704 |
| Click Chain #1 | 0 | - | 4.97 | 109,140 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,569 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,012 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,794 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,521 |
| Body Part Cliches | 0 | - | 4.43 | 123,310 |
| Bones of the Human Body | 0 | - | 4.52 | 42,470 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,184 |
| Click the Correct Continent | 0 | - | 4.44 | 101,572 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,116 |
| Random Symbol to Element | 0 | - | 4.88 | 93,103 |
| Astronomy Quiz | 0 | - | 4.90 | 82,623 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,296 |
| Solar System Trivia | 0 | - | 4.93 | 46,674 |
| Click the Planet | 0 | - | 4.96 | 91,440 |
| Movie Picture Click - Steven Spielberg | 0 | - | 4.94 | 53,404 |
| A Quiz About Diamonds | 0 | - | 4.60 | 11,556 |
| Periodic Table Elements by Clue #2 | 0 | - | 4.53 | 12,183 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,589 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,621 |
| Environmental Issues | 0 | - | 4.54 | 26,837 |
| Movie Ratings Click Quiz #1 | 0 | - | 4.56 | 28,149 |
| Name a Valid Answer - Science | 0 | - | 4.79 | 40,964 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,285 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,046 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,854 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,764 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,659 |
| Word Chain - Science | 0 | - | 4.59 | 54,899 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,709 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,857 |
| Click the Chemical Element | 0 | - | 4.96 | 80,480 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,634 |
| Click Chain #2 | 0 | - | 4.56 | 65,785 |
| Movie Decades Click Quiz #1 | 0 | - | 4.78 | 48,587 |
| Word Addition Click Quiz #2 | 0 | - | 4.53 | 35,025 |
| Word Addition Click Quiz #3 | 0 | - | 4.58 | 37,390 |
| Click the Synonym | 0 | - | 4.55 | 42,687 |
| Click Chain #3 | 0 | - | 4.43 | 51,969 |
| Correctly Spelled or Not? Click Quiz #1 | 0 | - | 4.57 | 49,681 |
| Click the Correct John | 0 | - | 4.56 | 33,835 |
| The Logical Elimination Click Quiz | 0 | - | 4.70 | 73,898 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,948 |
| The Sun Quiz | 0 | - | 4.93 | 34,692 |
| First Names of Scientists | 0 | - | 4.51 | 56,891 |
| Groups of Two - Science | 0 | - | 4.26 | 48,330 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,853 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,003 |
| Science Decoder | 0 | - | 4.52 | 28,773 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,329 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,290 |
| Science True or False | 0 | - | 4.35 | 40,312 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,033 |
| Elements by Picture | 0 | - | 4.27 | 69,971 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,924 |
| Name a Valid Element | 0 | - | 4.64 | 70,056 |
| Medical Acronyms | 0 | - | 4.43 | 96,854 |
| Medical Vocabulary | 0 | - | 4.54 | 59,111 |
| Movie Decades Click Quiz #3 | 0 | - | 4.68 | 27,061 |
| Correctly Spelled or Not? Click Quiz #2 | 0 | - | 4.35 | 44,485 |
| Click the Correct Michael | 0 | - | 4.59 | 28,217 |
| Logical Elimination Click Quiz: Numbers | 0 | - | 4.23 | 71,780 |
| Birthstones by Month | 0 | - | 4.42 | 80,697 |
| Citrus Fruits | 0 | - | 3.63 | 42,072 |
| "Ologies" Quiz | 0 | - | 4.34 | 97,159 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,392 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,754 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,832 |
| Most Guessed Elements on JetPunk | 0 | - | 4.56 | 48,199 |
| Element... or Pokémon? | 0 | - | 4.98 | 131,777 |
| Brightest Natural Objects in the Sky | 0 | - | 4.46 | 28,331 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,862 |
| Body Part Words | 0 | - | 4.43 | 145,968 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,823 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,350 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,595 |
| Human Body A-Z | 0 | - | 4.51 | 129,180 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,185 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,281 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,659 |
| Medical Specialties | 0 | - | 4.32 | 91,779 |
| The Diseases They Had | 0 | - | 4.15 | 14,015 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,795 |
| 16 Questions that Prove that Physics Makes No Sense | 0 | - | 4.18 | 20,817 |
| Movie Decades Click Quiz #4 | 0 | - | 4.39 | 23,350 |
| The Pluto Quiz | 0 | - | 4.61 | 9,857 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,504 |
| Periodic Table Elements Mentioned in the Bible | 0 | - | 4.77 | 70,715 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,701 |
| Astronomy Decoder | 0 | - | 4.49 | 38,063 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,462 |
| The Mars Quiz | 0 | - | 4.55 | 18,667 |
| The Saturn Quiz | 0 | - | 4.54 | 11,557 |
| Planets - Multiple Choice | 0 | - | 4.39 | 53,576 |
| Dumb it Down Doc | 0 | - | 4.13 | 64,979 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 225,837 |
| Name the Constellations | 0 | - | 4.58 | 44,992 |
| Astronomy True or False | 0 | - | 4.39 | 36,477 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,747 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,355 |
| The Venus Quiz | 0 | - | 4.21 | 6,927 |
| U.S. States with Glaciers | 0 | - | 4.61 | 25,306 |
| Largest Countries Without Glaciers | 0 | - | 4.92 | 35,400 |
| Elements Named for Countries | 0 | - | 4.53 | 24,709 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,718 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,508 |
| The Voyage of Darwin - Animated Map Quiz | 0 | - | 4.99 | 14,484 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,451 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,298 |
| U.S. States with the Most Drug Overdose Deaths | 0 | - | 4.09 | 26,402 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,717 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,154 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,661 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,629 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,991 |
| Top 10 U.S. States by Solar Power | 0 | - | 4.24 | 25,822 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,541 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,671 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,560 |
| Top 10 Most-Forested U.S. States | 0 | - | 4.37 | 45,640 |
| Least-Forested Countries | 0 | - | 4.53 | 65,209 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.63 | 63,446 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,494 |
| Most Forested European Countries | 0 | - | 4.80 | 75,337 |
| Least Forested European Countries | 0 | - | 4.25 | 54,021 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,716 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,818 |
| Top 10 Least-Forested U.S. States | 0 | - | 4.50 | 46,521 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,088 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,651 |
| Countries with Glaciers | 0 | - | 4.97 | 105,426 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,149 |
| Click the Compass #1 | 0 | - | 4.95 | 58,245 |
| The Beatles Picture Click Quiz | 0 | - | 4.84 | 37,474 |
| Disney Movie Images - Click Quiz #1 | 0 | - | 4.84 | 118,810 |
| Lie to Win - Click Quiz #2 | 0 | - | 4.74 | 89,884 |
| Disney Movie Images - Click Quiz #2 | 0 | - | 4.62 | 61,181 |
| Click to Complete the Song Title - Animals #1 | 0 | - | 4.46 | 36,711 |
| Where Does It Grow? Click Quiz #1 | 0 | - | 4.77 | 58,289 |
| Movie Ratings Click Quiz #2 | 0 | - | 4.56 | 16,234 |
| Where Does It Grow? Click Quiz #2 | 0 | - | 4.77 | 29,039 |
| Birth States of U.S. Presidents - Click Quiz | 0 | - | 4.65 | 33,603 |
| Cars by Country | 0 | - | 4.91 | 93,373 |
| Click the Color, Not the Word | 0 | - | 4.70 | 78,180 |
| Click Timeline: Famous Buildings | 0 | - | 4.96 | 62,183 |
| Click Timeline: Famous U.S. Buildings | 0 | - | 4.60 | 30,333 |
| Click Timeline: Countries Independence | 0 | - | 4.92 | 62,190 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.98 | 83,006 |
| Click Timeline: Harry Potter and the Wizarding World | 0 | - | 4.37 | 51,991 |
| Click Timeline: Star Wars Movies | 0 | - | 4.93 | 92,025 |
| Movie Picture Click - James Bond | 0 | - | 4.68 | 22,872 |
| Pixar Movie Images - Click Quiz | 0 | - | 4.77 | 70,340 |
| Click Quiz: Roman to Greek Gods | 0 | - | 4.89 | 47,301 |
| Click the Month | 0 | - | 4.35 | 26,017 |
| Click to Assemble Country Flags #1 | 0 | - | 4.99 | 56,612 |
| Millions, Billions or Trillions? | 0 | - | 4.52 | 40,433 |
| Click to Assemble Country Flags #2 | 0 | - | 4.89 | 43,141 |
| Word Addition Click Quiz #1 | 0 | - | 4.73 | 49,685 |
| Click the Disney Film by Song #1 | 0 | - | 4.59 | 65,210 |
| Click the Movie Title Ending #1 | 0 | - | 4.96 | 127,373 |
| Click the Movie Title Ending #2 | 0 | - | 4.77 | 89,813 |
| Click the Movie Title Ending #3 | 0 | - | 4.89 | 72,694 |
| Click the Movie Title Ending #4 | 0 | - | 4.66 | 57,133 |
| Click the Movie Title Ending #5 | 0 | - | 4.87 | 36,596 |
| Country to Population Click Quiz | 0 | - | 4.98 | 43,945 |
| Tourist Towns by U.S. State | 0 | - | 4.32 | 24,219 |
| Click to Translate - French | 0 | - | 4.93 | 92,361 |
| Click to Translate - German | 0 | - | 4.83 | 70,147 |
| Click to Translate - Dutch | 0 | - | 4.73 | 35,711 |
| Click to Translate - Italian | 0 | - | 4.89 | 53,717 |
| Click to Translate - Spanish | 0 | - | 4.90 | 95,276 |
| Click the 2022 World Cup Quarterfinalist | 0 | - | 4.24 | 40,463 |
| Click the Disney Film by Song #2 | 0 | - | 4.47 | 35,573 |
| Who's That Dictator - Click Quiz | 0 | - | 4.22 | 39,140 |
| Lie to Win - Click Quiz #1 | 0 | - | 4.93 | 115,291 |
| Click Fast to Save the USA | 0 | - | 3.59 | 99,163 |
| To, Two, Too – Click Quiz | 0 | - | 4.53 | 40,355 |
| Color in the Answer - Click Quiz | 0 | - | 4.84 | 61,865 |
| Logical Elimination Click Quiz: Countries #1 | 0 | - | 3.82 | 65,863 |
| Logical Elimination Click Quiz: Countries #2 | 0 | - | 4.11 | 52,895 |
