Any Linux based program can work on all Linux distributions. Generally all that is needed is for the source code to be compiled under that distribution and packaged according to that distributions package manager. Fortunately that is pretty easy and it is almost completely automated.

Are all Linux distros the same?

Since all Linux distributions use the same Linux kernel at their core, no matter which Linux distribution you use, you will get all features and functions of standard Linux across all distributions.

Do Linux programs run on Ubuntu?

While Ubuntu Touch is Linux-based, graphical programs currently won’t work on it unless they’re written specifically to run on it. That may change in the future, however. Valve, the owner of Steam, hasn’t said anything about supporting Ubuntu Touch yet. Any Steam support will have to come from them.