From Ubuntu Terminal screen (Applications > Accessories > Terminal), type:
taufanlubis@toshiba:~$ sudo apt-get install toppler
Reading package lists… Done
Building dependency tree
Reading state information… Done
The following packages were automatically installed and are no longer required:
libmyth-0.20 libsvga1 quake2-data
Use ‘apt-get autoremove’ to remove them.
The following NEW packages will be installed:
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 1008kB of archives.
After unpacking 1294kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com gutsy/universe toppler 1.1.2a-3 [1008kB]
Fetched 1004kB in 14s (68.9kB/s)
Selecting previously deselected package toppler.
(Reading database … 130661 files and directories currently installed.)
Unpacking toppler (from …/toppler_1.1.2a-3_i386.deb) …
Setting up toppler (1.1.2a-3) …
How to play?
Open Applications > Games > Tower Toppler
Moving: Using your Arrow button.