Apps similar to Algodoo include Garry's Mod. It's paid, but The Powder Toy and IncrediBots are free. Other options are SimPhy, Crayon Physics Deluxe, Physion and Powder Game. You can choose from more than 10 Sandbox Games like Algodoo for Windows, Mac, Linux, the web and Android.
Garry's Mod is a Sandbox Game based around the idea of building. Unlike most other games there aren't any objectives - you can't lose and you definitely can't win. Doesn't work on MacOS 11.15 or higher.
United Kingdom
The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox game, it simulates air pressure and velocity as well as heat!.
Simphy is a simulation software to create 2D and 3D simulations with easy drag and drop options. You can create different types of bodies inside its physics world with different parameters like restitution, friction, velocity etc.
Crayon Physics Deluxe is a 2D physics puzzle / sandbox game, in which you get to experience what it would be like if your drawings would be magically transformed into real physical objects. Solve puzzles with your artistic vision and creative use of physics.
Finland
EU
Physion is a 2D physics simulator that runs entirely in the browser, with nothing to download or install. You draw rigid bodies directly on the canvas (circles, rectangles, capsules, polygons, regular polygons, gears, polylines, spirals and text bodies), connect them with...
GreeceEU
Physics sandbox games where players create and share machines (robots, excavators, pinball, catapults) and challenges (obstacle course level, target practice, games) using basic shapes, joints, pistons, thrusters, cannons, bombs and other objects.
Imagine the cool phenomenon when the wind blows the falling leaves.This game simulates the phenomenon with powder (dots)!
Japan
iPhysics Sandbox is a simplistic physics sandbox (go figure). Depending on your personal setting configuration, its possible to get iPhysics engine to calculate every little attribute of every little object.
In Scribblenauts, you can write down any object you can think of and watch it come to life as you helped Maxwell on his quest.
United States
Enjoy the fastest and most complete open sandbox app. No adverts and rotates :).
FisicaLab (can be pronounced as PhysicsLab) is an educational application to solve physics problems. Its main objective is let the user to focus in physics concepts, leaving aside the mathematical details (FisicaLab take care of them).
Cuba
The quirky Raposa and your drawn hero return in Drawn to Life: Two Realms, the next installment in the beloved franchise! You again take on the role of the Creator, unlocking the mysterious connection between the two worlds, and creating a Hero to save them both!
United States
