Can you play Half-Life on Mac?
Half-Life runs natively on macOS. It ships an official Mac build, so you can install and play it directly — see the Mac system requirements below, then check them against your MacBook with the free interactive checker.
macOS system requirements
Minimum
Minimum: OS X Snow Leopard 10.6.3, 1GB RAM, 4GB Hard Drive Space,NVIDIA GeForce 8 or higher, ATI X1600 or higher, or Intel HD 3000 or higher Mouse, Keyboard, Internet Connection
Use the free interactive checker to compare these against your hardware automatically. Visit https://fundelot.com.