CIVILIZATION II DECOMPILED: OPENCIV2 BUILDS NATIVELY FOR WINDOWS, LINUX AND MAC

OpenCiv2: Civilization II decompiled to portable C++ with native Windows, Linux and Mac builds

Richard Penman's OpenCiv2 reconstructs the source of Sid Meier's Civilization II: Multiplayer Gold Edition (1998) as portable C++ that runs natively on Linux, macOS and Windows, aiming to prove it behaves exactly like the original: the same screens pixel for pixel and the same random numbers on recorded games. The Windows API the game used is reimplemented in portable C over SDL2. A rolling pre-release build (Oct 22) sets the game up from your own copy of Multiplayer Gold Edition, with music from a disc image of its CD.

Civilization II: Multiplayer Gold Edition (PC) → Windows / Linux / macOS · by richardpenman · 2026-10-22

You need: Your own copy of Civilization II: Multiplayer Gold Edition (plus its CD image for music). Windows, Linux x86-64 or macOS (Apple silicon or Intel).

How to play Civilization II on PC

1. Download the latest build for your system from the releases page.
2. Follow README.txt to set it up from your copy of Multiplayer Gold Edition.
3. Launch and play.

▶ Latest buildSource & README

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