I just tried that, and it effectively launched the game, along with giving several error messages that seem to be inconsequential in the end. It looks like it also downloaded some missing components, as you can see here :
Hardware Tycoon (Linux 64-bit)$ ./nw
LaunchProcess: failed to execvp:
/home/adam/Téléchargements/Hardware Tycoon (Linux 64-bit)/nacl_helper
[20483:20483:0822/075838.883678:ERROR:nacl_fork_delegate_linux.cc(314)] Bad NaCl helper startup ack (0 bytes)
[20481:20486:0822/075840.426339:ERROR:simple_version_upgrade.cc(177)] Version 9 is from the future.
[20481:20486:0822/075840.426378:ERROR:simple_backend_impl.cc(728)] Simple Cache Backend: wrong file structure on disk: 5 path: /home/adam/.cache/HardwareTycoon/Default/Code Cache/js
[20481:20489:0822/075840.637251:ERROR:nacl_browser.cc(305)] Failed to open NaCl IRT file "/home/adam/Téléchargements/Hardware Tycoon (Linux 64-bit)/nacl_irt_x86_64.nexe": -4
[20481:20498:0822/075840.932430:ERROR:top_sites_backend.cc(92)] Failed to initialize database.
[20481:20499:0822/075842.934265:ERROR:simple_version_upgrade.cc(177)] Version 9 is from the future.
[20481:20499:0822/075842.934283:ERROR:simple_backend_impl.cc(728)] Simple Cache Backend: wrong file structure on disk: 5 path: /home/adam/.cache/HardwareTycoon/Default/Cache
[20481:20486:0822/075842.934666:ERROR:simple_version_upgrade.cc(177)] Version 9 is from the future.
[20481:20486:0822/075842.934681:ERROR:simple_backend_impl.cc(728)] Simple Cache Backend: wrong file structure on disk: 5 path: /home/adam/.cache/HardwareTycoon/Default/Media Cache
[20640:20640:0822/075843.135049:ERROR:audio_context.cc(52)] Create
[20640:20640:0822/075843.136841:ERROR:audio_context.cc(130)] AudioContext
[20640:20640:0822/075843.137678:ERROR:audio_context.cc(134)] no user gesture
[20640:20640:0822/075843.166700:ERROR:audio_context.cc(436)] IsAllowedToStart
[20640:20640:0822/075843.166731:ERROR:audio_context.cc(93)] starting
/Hardware Tycoon (Linux 64-bit)$ ./nw
LaunchProcess: failed to execvp:
/home/adam/Téléchargements/Hardware Tycoon (Linux 64-bit)/nacl_helper
[20692:20692:0822/080025.073595:ERROR:nacl_fork_delegate_linux.cc(314)] Bad NaCl helper startup ack (0 bytes)
[20690:20698:0822/080025.198325:ERROR:nacl_browser.cc(305)] Failed to open NaCl IRT file "/home/adam/Téléchargements/Hardware Tycoon (Linux 64-bit)/nacl_irt_x86_64.nexe": -4
[20690:20706:0822/080025.241720:ERROR:top_sites_backend.cc(92)] Failed to initialize database.
[20731:20731:0822/080025.615466:ERROR:audio_context.cc(52)] Create
[20731:20731:0822/080025.615524:ERROR:audio_context.cc(130)] AudioContext
[20731:20731:0822/080025.615535:ERROR:audio_context.cc(134)] no user gesture
[20731:20731:0822/080025.654425:ERROR:audio_context.cc(436)] IsAllowedToStart
[20731:20731:0822/080025.654445:ERROR:audio_context.cc(93)] starting