Downloaded 2.1.3 for Linux; no idea what to run

I'm an old, returning user, and Twine 2.0 told me to download a new version, so I did, and I get the following when I run ls -l in the directory it's in:

-rwxr-xr-x 1 xander xander  6873784 May  1 20:25 chromedriver
-rw-r--r-- 1 xander xander  1870210 May  1 20:25 credits.html
-rw-r--r-- 1 xander xander 10130464 May  1 20:25 icudtl.dat
drwxr-xr-x 2 xander xander     4096 May  1 20:25 lib
drwxr-xr-x 2 xander xander     4096 May  1 20:25 locales
-rwxr-xr-x 1 xander xander   704360 May  1 20:25 minidump_stackwalk
-rwxr-xr-x 1 xander xander 14177800 May  1 20:25 nacl_helper
-rwxr-xr-x 1 xander xander     9766 May  1 20:25 nacl_helper_bootstrap
-rwxr-xr-x 1 xander xander  3737136 May  1 20:25 nacl_irt_x86_64.nexe
-rw-r--r-- 1 xander xander   334730 May  1 20:25 natives_blob.bin
-rw-r--r-- 1 xander xander   517488 May  1 20:25 nw_100_percent.pak
-rw-r--r-- 1 xander xander   818862 May  1 20:25 nw_200_percent.pak
-rwxr-xr-x 1 xander xander 10384424 May  1 20:25 nwjc
-rwxr-xr-x 1 xander xander   211256 May  1 20:25 payload
-rw-r--r-- 1 xander xander     7248 Jun  8 18:02 payload.json
drwxr-xr-x 2 xander xander     4096 May  1 20:25 pnacl
-rw-r--r-- 1 xander xander 16963392 May  1 20:25 resources.pak
-rw-r--r-- 1 xander xander  1280916 May  1 20:25 snapshot_blob.bin
-rwxr-xr-x 1 xander xander  6970132 May  1 20:26 Twine

What am I supposed to execute? I tried clicking on everything and nothing started the application.