The American Museum of Natural History has a variety of biology games. Some are related to biology including games about bacteria, wildlife, DNA, stem cells, sharks, T Rex’s, endangered species, plankton, the microbiome, influenza, fossils, and ecosystems.
https://www.amnh.org/explore/ology/games

Ask a Biologist at Arizona State University has a variety of biology games and simulations including a bee waggle dance game, beetle dissection, a cell parts game, and a COVID pandemic simulation.
https://askabiologist.asu.edu/games-and-simulations

Ask a Biologist at Arizona State University has a cell you are game, in which you can you and name the parts of cells such as plant and animal cells.
https://askabiologist.asu.edu/cell-viewer-game/

The Blood Typing Game is about diagnosing blood types, to aid in transfusions.
https://educationalgames.nobelprize.org/educational/medicine/bloodtypinggame/

CELLS alive! has lots of games, simulations, and information categorized into cell models, puzzles, games, immunology, and microscopy activities.
https://www.cellsalive.com/

Cornell Institute for Biology Teachers has a Plant Game to help students think about how plants grow.
https://blogs.cornell.edu/cibt/labs-activities/labs/plant-game/

Dr. Biology’s Educational Game is free for Android or iOS, and it’s a cell splitting a puzzle game.
https://alan.draknek.org/games/drbiology/

Ducksters has a cell biology word search game.
https://www.ducksters.com/games/word_search/cell.php

Eterna is an online game and invites you to advance medical research, by inventing medicine. You’ll solve puzzles using RNA.
https://eternagame.org/

Field Day Learning Labs has an open source project name the Lakeland, a biology game funded by the United States Department of Agriculture to simulate agriculture, farmland, and algal pollution.
https://fielddaylab.org/play/lakeland/

The K20 Center at the University of Oklahoma developing Perfect Strain game and to teach about natural selection and evolution. It includes a link to a free lesson that goes along with the game.
https://learn.k20center.ou.edu/game/1035

Learn.Genetics Genetic Science Learning Center at the University of Utah has a variety of Traits Activities including a bingo game.
https://learn.genetics.utah.edu/content/basics/activities

Learnwithdrscott.com has a cell biology crossword puzzle that makes a great quiz or fun activity for biology class.
https://learnwithdrscott.com/homeschool-biology-crossword-puzzle/

McGowan Institute for Regenerative Medicine at the University of Pittsburg has a “Cellular” Biology game.
https://mirm-pitt.net/mirmdev/news-archive/cellular-biology/

Minecraft Cell is an approach to modify the popular game of mine craft for teaching 9th grade biology. It describes 4 steps to modify the game Minecraft for use in teaching science classes. The page also has a lot of links to other sites dedicated to using Minecraft as a teaching tool.
https://www.edutopia.org/blog/minecraft-cell-biology-meets-gbl-dan-bloom

MyWordSearch has over a hundred biology word search puzzles.
https://mywordsearch.com/Browse/Science/Biology

The Ozcan Research Through that UCLA has a malaria training game.
https://biogames.ee.ucla.edu/

PBS Kids has a variety of science games about the Amazon, vegetables, leaves, and dinosaurs, just to name a few.
https://pbskids.org/games/science

PhET Interactive Simulations at the University of Colorado Boulder made the Gene the Expressions Essentials covering the topics of gene expression, DNA transcription, protein synthesis, cells, and stochastics.
https://phet.colorado.edu/en/simulations/gene-expression-essentials

Quia’s matching game for biology focuses on some vocabulary related to genetics.
https://www.quia.com/mc/507222.html

SCIgames has a section on astrobiology games, including searching for life, the Drake equation, the Winogradsky column, and listening for life using radio telescopes.
https://www.scigames.org/index.php

Teachers Pay Teachers is a popular website selling teaching materials. They also have some free biology games.
https://www.teacherspayteachers.com/Browse/Type-of-Resource/Games/Price-Range/Free/Search:biology