Dungeon Defenders on 64-bit Ubuntu Variants

A while back I found using the ia32-libs package was a way to get Dungeon Defenders going on 64-bit Linux, but that package went away. Here's the process I went through to get Dungeon Defenders working on Xubuntu 14.04.

Graphics Setup

First in general: install graphics drivers. For nVidia this is basically:

apt-get install nvidia-current
nvidia-xconfig

For AMD the process is a little more fraught with danger, I found this process works well with 14.04 though:

apt-get install fglrx-updates fglrx-amdcccle-updates
aticonfig --initial

Then reboot. After, if using AMD, run amdcccle and set the "tear free" option to enabled.

Game Setup

Since ia32-libs is deprecated, I went through and manually found all the packages. Here's the summary that should hopefully include everything needed to run the game:

apt-get install libglu1-mesa:i386 lib32stdc++6 \       libxext6:i386 libasound2:i386 libpulse0:i386 \       libxcursor1:i386 libxinerama1:i386 libxi6:i386 \       libxrandr2:i386 libxss1:i386 libxxf86vm1:i386

Then, before you run DD for the first time, edit the file DefaultDunDef.ini in UDKGame/Config/ and remove "_Valentines2013" from the GameplayLevel parameters, so that they only say "LobbyLevel.UDK". This will prevent the bug when you start the game it goes straight back to the menu.

_{(After using it as a test application for a fresh machine, I want to go back and play the game from a clean start. After the débâcle that is Dungeon Defenders Eternity, the original game feels much more...fun :(. )}

Fixing "mojo.run: No such file or directory" error

When trying to install something with a .mojo.run extension (for example, I was installing Dungeon Defenders from the Humble Bundle), if you get this error:

mojo.run: No such file or directory

The solution (thanks Kazade!) is to install the ia32-libs package. Then the installer should work.

(Posted this because it took me way too long searching to stumble across Kazade's post).

Update 20/10/2013:

I noticed that ia32-libs is no longer an installation target in 13.10. There doesn't seem to be an easy way to fix this, since some suggested mechanisms don't work when you've got a mojo.run file.

The only way I found to do it is detailed here: http://wiki.phoenixviewer.com/ia32-libs-in-ubuntu-13-10

The version of synaptic I was using was slightly different to that described above. In Step 4, it was "click New" rather than "other software -> add", and in step 5 the values to insert are in four separate lines:

• Dropdown box: Binary (deb)
• URI: http://archive.ubuntu.com/ubuntu/
• Distribution: raring
• Section(s): main restricted universe multiverse