From the hilarious and twisted minds of Penny Arcade creators Mike ‘Gabe’ Krahulik and Jerry ‘Tycho’ Holkins, legendary game designer Ron Gilbert and veteran producers at Hothead Games comes a 100% authentic and hilarious Penny Arcade experience.
[More Info]
Make sure that the driver to your 3D graphic card is proper installed and working.
Next you need is to install 32-bit libs;
Code:
sudo aptitude update && sudo aptitude safe-upgrade sudo aptitude install ia32-libs
Done.
Move Penny Arcade to your Desktop. Open the terminal and type (copy/paste);
Code:
mkdir -p ~/.Games/PAA-Darkness
cd ~/Desktop
tar zxfv rainslickep1_linux_r1.tgz -C ~/.Games/PAA-Darkness
Done.
Save paa.png to your Desktop.

cd ~/Desktop
mv paa.png ~/.Games/PAA-Darkness
nano ~/.Games/PAA-Darkness-launch.sh
Add the following;
#!/bin/bash
metacity --replace &
cd ~/.Games/PAA-Darkness
./RainSlickEp1
compiz --replace &
Save [ctrl]+[o] & Exit [ctrl]+[x]
Code:
chmod +x ~/.Games/PAA-Darkness-launch.sh alacarte
Go to the Game section in Alacarte and push the New Item button. Fill in;
Name: Rain Slick Precipice of Darkness
Command: sh /home/USERNAME/.Games/PAA-Darkness-launch.sh
Comment: On the Rain Slick Precipice of Darkness is an episodic RPG-Adventure game set in a deranged comic-book-meets-pulp-horror universe.
Icon: ~/.Games/PAA-Darkness/paa.png
Done.
You can now launch On the Rain Slick Precipice of Darkness by Applications tab —> Games —> Rain Slick Precipice of Darkness
Enjoy