• Interactive physics simulation of damageable and glueable soft bodies
  • Programmable building blocks for simulating digital organisms and evolution
  • Built-in graph editor for designing own machines
  • Simulation and rendering on GPU
  • Software is open-source and available under the GNU General Public License, Version 3 (GPLv3)


System requirements

  • Nvidia graphics card with compute capability version 5.2 (Maxwell architecture) or higher
  • 4 GB video memory recommended


       Download installer for Windows    

       or visit alien on   

About the software project

ALIEN  is an artificial life simulation program based on a specialized physics and rendering engine in CUDA. It is designed to simulate digital organisms embedded in artificial ecosystems and to mimic conditions for (pre-)biotic evolution.

See the objectives of the project and how to get started.

Latest news

  • [April 24, 2022]

A short introduction to ALIEN can be found in the April 2022 edition of the ALife Newsletter.

  • [April 18, 2022]

ALIEN version 3.1.0 released: barriers are introduced.

  • [April 10, 2022]

ALIEN version 3.0.0 together with a new documentation has been released. Both the engine and the GUI have been completely rewritten and modernized.

  • [Dezember 2, 2021]

Cross-platform compilation using cmake and vcpkg is now working.