If running "game.exe" from the Windows Deployment doesn't work, then neither will playtest.
As for why, is something specific to your computer. Does it crash? Does nothing appear? Does anything appear in the debug.log?
(you can ignore "[1023/121422:WARNING:resource_bundle.cc(286)] locale_file_path.empty()")
[1023/141214:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1023/141214:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1024/144605:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1024/144605:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1025/135144:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1025/135145:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1025/181939:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1025/181940:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1025/201002:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1025/201003:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/130900:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/130901:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/140005:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/140005:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/153744:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/153745:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/153931:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/153932:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/154840:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/154841:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/162812:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/162813:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/165149:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/165149:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/165334:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/165334:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/180351:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/180351:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/184714:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/184715:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/192227:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
[1026/192227:WARNING:resource_bundle.cc(286)] locale_file_path.empty()
That is literally all that shows up in the file. there is nothing else there.
What are your Pc Sepcs ?
Because it seems really, this is an issue from your Pc.
But Im not 100% sure.
windows 7 home premium. amd 7700, 16gb of ram, and i5 cpu.