Contractile

 Contractile is an immersive, browser-based educational game that teaches osmosis, cellular water regulation, and the function of contractile vacuoles through interactive gameplay. Players control a single-celled organism navigating through different aquatic environments while managing osmotic pressure to survive. This STEM learning tool combines real-time biology simulation with engaging gameplay mechanics, making it perfect for biology students, educators, and anyone interested in understanding cellular processes. Experience firsthand how freshwater protists like paramecia and amoebas survive in varying osmotic conditions. Learn about hypotonic, isotonic, and hypertonic solutions while actively managing cellular water balance through the contractile vacuole mechanism.

  What It Teaches

  – Osmosis and Water Movement: Understand how water moves across cell membranes in different concentration gradients

  – Contractile Vacuole Function: Learn how single-celled organisms regulate water balance to prevent lysis

  – Osmotic Pressure: Experience the effects of hypotonic, isotonic, and hypertonic environments on cells

  – Cellular Homeostasis: Discover how organisms maintain internal balance despite external changes

  – Energy Management: Understand the metabolic cost of osmoregulation in cells

  – Adaptation Strategies: Learn how different organisms survive in various aquatic environment

Educational Resources

Student Handouts

Middle School Student Handout Download PDF
High School Student Handout Download PDF
AP/College Student Handout Download PDF

Teacher Guides

Middle School Teacher Guide Download PDF
High School Teacher Guide Download PDF
AP/College Teacher Guide Download PDF