Godot is a game engine for making both 3d and 2d games. It Works on Windows, Apple, Android, and Linux. It Uses Open GL or Vulkan drivers as available; And, of course Godot is supported on Steam. Release 4.0 is being rolled out although this release is not yet in the repositories used by Chromebook.
To install it on Chromebook use
sudo apt update
sudo apt install godot3
For any Linux system without Godot in the repository or other operating systems one can get the distribution from Godot directly at Godotengine.org