Confirm that.
I download ufoai .run packege. Install via "sudo sh ./ufoai-2.3-linux.run" in default folder. Then type in terminal "ufoai", and get error:
"bash: ./ufo: не удалось выполнить бинарный файл" (bash: ./ufo: cannot execute binary file).
$ uname -a
Linux booc 2.6.32-23-generic #37-Ubuntu SMP Fri Jun 11 07:54:58 UTC 2010 i686 GNU/Linux
$ locale
LANG=ru_RU.utf8
LC_CTYPE="ru_RU.utf8"
LC_NUMERIC="ru_RU.utf8"
LC_TIME="ru_RU.utf8"
LC_COLLATE="ru_RU.utf8"
LC_MONETARY="ru_RU.utf8"
LC_MESSAGES="ru_RU.utf8"
LC_PAPER="ru_RU.utf8"
LC_NAME="ru_RU.utf8"
LC_ADDRESS="ru_RU.utf8"
LC_TELEPHONE="ru_RU.utf8"
LC_MEASUREMENT="ru_RU.utf8"
LC_IDENTIFICATION="ru_RU.utf8"
LC_ALL=
$ ll /usr/local/games/ufoai
итого 11M
drwxr-xr-x 3 root root 4,0K 2010-06-18 19:40 base/
-rwxr-xr-x 1 root root 8,9M 2010-06-18 19:40 ufo*
-rwxr-xr-x 1 root root 1008K 2010-06-18 19:40 ufo2map*
-rwxr-xr-x 1 root root 3,1K 2010-06-18 19:40 ufoai*
-rwxr-xr-x 1 root root 1,1M 2010-06-18 19:40 ufoded*
-rwxr-xr-x 1 root root 1,7K 2010-06-18 19:40 uninstall*
$ ll /usr/local/bin
drwxr-xr-x 2 root root 4,0K 2010-06-07 18:34 lang/
-rwxr-xr-x 1 root root 3,7K 2010-04-30 23:36 freetype-config*
-rwxr-xr-x 1 root root 114 2010-05-04 19:27 hoh*
-rwxr-xr-x 1 root root 247 2010-05-04 19:27 hoh-uninstall*
-rwxr-xr-x 1 root root 2,2M 2010-06-07 18:34 transgui*
lrwxrwxrwx 1 root root 29 2010-06-18 19:40 ufoai -> /usr/local/games/ufoai//ufoai*
-rwxr-xr-x 1 root root 1,6K 2010-05-04 19:30 jd.sh*
$ file ufo
ufo: ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.15, not stripped