I download the game for MAC, and I can see the intro and options, but when I start to play I see all in black, it's normal or it's a bug on Mac.
it's a MacBook Pro (13-inch, Early 2011) - macos Sierra v10.12.6
Model Name: MacBook Pro
Model Identifier: MacBookPro8,1
Processor Name: Intel Core i5
Processor Speed: 2,3 GHz
Number of Processors: 1
Total Number of Cores: 2
L2 Cache (per Core): 256 KB
L3 Cache: 3 MB
Memory: 8 GB
Boot ROM Version: MBP81.004D.B00
SMC Version (system): 1.68f99
intel HD Graphics 3000:
Chipset Model: Intel HD Graphics 3000
Type: GPU
Bus: Built-In
VRAM (Dynamic, Max): 512 MB
Displays:
Color LCD:
Display Type: LCD
Resolution: 1280 x 800
Same on Windows with similar hardware:
Lenovo Thinkpad t410s (14-inch notebook, early 2010) - Windows 10 Pro
Model Name: Lenovo Thinkpad t410s
System Manufacturer: LENOVO
System Model: 2912W1C
System Type: x64-based PC
Processor: Intel(R) Core(TM) i5 CPU M 520 @ 2.40GHz, 2400 Mhz, 2 Core(s), 4 Logical Processor(s)
BIOS Version/Date: LENOVO 6UET70WW (1.50 ), 11.10.2012
SMBIOS Version: 2.6
Installed Physical Memory (RAM): 8,00 GB
Total Physical Memory: 7,80 GB
OS Name: Microsoft Windows 10 Pro
OS Version: 10.0.15063 Build 15063
Graphics & Display
Name: Intel(R) HD Graphics
Adapter Type: Intel(R) HD Graphics (Core i5), Intel Corporation compatible
Adapter RAM: (344.109.056) bytes
Resolution: 1440 x 900 x 49 hertz
Bits/Pixel: 32