1. Install python-2.7.14-macosx10.5.pkg
2. open Terminal
3. cd into the 01_pyOpenSSL-0.12 directory and type "python setup.py install"
4. cd into the 02_zope.interface-4.0.0 directory and type "python setup.py install"
5. cd into the 03_Twisted-11.0.0 directory and type "python setup.py install"
6. type "sudo nano /etc/hosts" (enter your user password)
7. navigate to the end of the file and paste the following text:

##
# AC2 fake/redirecting entries - remove when not needed anymore
#
127.0.0.1       static3.cdn.ubi.com
127.0.0.1       ubisoft-orbit.s3.amazonaws.com
127.0.0.1       onlineconfigservice.ubi.com
127.0.0.1       orbitservice.ubi.com
127.0.0.1       ubisoft-orbit-savegames.s3.amazonaws.com
#
# AC2 entries end
##

8. hit ctrl-o then hit enter and then ctrl-x
9. type "sudo dscacheutil -flushcache"
10. place the Assassin's Creed 2.app into the folder with the corresponding title 
(don't rename the app and make sure it stays on the partition the game was originally installed to!)
11. Start the Launcher and enter your user password 
12. enter any username and password in the Ubisoft launcher if you haven't done so already
13. enjoy AC2 on Mac OS X Leopard!

-created by thedoctor45