Colossal Cave - System Requirements

Operating System: Sierra 10.12.4
Processor (CPU): Intel CPU capable of 4 or more threads
Memory (RAM): 8 GB RAM
Graphics Card: Intel HD Graphics 4000, Iris 5000 & 6000 family w/1 GB VRAM or better. Most Macs from 2012 on.
Storage: 20 GB available space

Operating System: 10.13
Memory (RAM): 1 GB RAM

Operating System: OS: Big Sur 11.5.2 or later Requires a 64-bit processor and operating system
Processor (CPU): Quad core intel or Apple M1
Memory (RAM): 8 GB RAM
Graphics Card: Apple, AMD, Intel
Storage: 20 GB available space

Operating System: OS X 10.8 Mountain Lion
Processor (CPU): Intel Core i3-2100 or AMD equivalent
Memory (RAM): 3 GB RAM
Graphics Card: NVIDIA GTX 650 2GB or AMD HD7770 2GB
Storage: 9 GB available space

Operating System: Mac OS X 10.11+
Processor (CPU): 1.2 GHz
Memory (RAM): 4 GB RAM
Graphics Card: 1024MB VRAM
Network: Broadband Internet connection
Storage: 5 GB available space