Make sure that the driver to your 3D graphic card is proper installed and working.
To make Eschalon: Book I work on 64bit the 32bit layer libs needs to be installed. Open the terminal and type;
Code:
sudo aptitude update && sudo aptitude safe-upgrade
Move or copy Eschalon: Book I to your Desktop, then proceed to the terminal;
Code:
mkdir ~/.Games
cd ~/Desktop
tar zxfv eschalon_book_1.tar.gz -C ~/.Games
Open the terminal and type;
Code:
nano ~/.Games/eschalon_book_1/Launch_ES1.sh
Add the following;
#!/bin/bash
cd ~/.Games/eschalon_book_1
./eschalon_book_1
Save [ctrl] + [o] and exit [ctrl] + [x].
Code:
chmod +x ~/.Games/eschalon_book_1/Launch_ES1.sh alacarte
Go to the Game section in Alacarte and push the New Item button. Fill in;
Name: Eschalon: Book I
Command: sh /home/USERNAME/.Games/eschalon_book_1/Launch_ES1.sh
Comment: Eschalon: Book I is a classic role-playing game experience that will take you across massive outdoor environments and deep into sprawling dungeons as you seek to uncover the mystery of who - or what - you are.
Icon: ~/.Games/eschalon_book_1/launch_icon.png
You can now launch from FreeOrion from Applications —> Games —> Eschalon: Book I
Enjoy!