Forums  /  Hot Lava  /  Is it possible to play a old version?
  doesthisusernamedoesthisusername

You can; I doubt online would work, but you can download older versions from SteamDB (https://steamdb.info/depot/382561/manifests/ assuming Windows).
There are a lot of guides explaining how to use it, so I won't go into further detail here -- Google "downpatch steam game steamdb".