Half-Life: Opposing Force vs Half-Life: Source
Side-by-side comparison of features, pricing, ratings, and alternatives.
Half-Life: Opposing Force puts you in the role of US Marine Corporal Adrian Shephard, sent to contain the Black Mesa disaster. Experience the iconic Black Mesa facility from a fresh perspective with new weapons, enemies, and a compelling storyline. The expansion adds cooperative AI teammates, unique weapons, and challenging puzzles, all while maintaining the series' signature physics-driven gameplay. Available on Linux, PC, and Mac, it offers both single-player and multiplayer modes for varied play styles.
Half-Life: Source brings Valve's iconic 1998 first‑person shooter to the modern Source engine, delivering enhanced lighting, realistic water, and ragdoll physics while preserving the original story. Play as Gordon Freeman, a Black Mesa scientist thrust into a chaotic alien outbreak and government cover‑up. The port adds vertex and pixel shaders, soft shadows, a 3D skybox, and improved physics interactions, giving fans a fresh yet familiar experience on Linux, PC, and Mac platforms.
- Fresh narrative perspective on the Half-Life universe
- Adds new weapons and enemy types
- Solid physics-based puzzles
- Supports both single-player and multiplayer
- Enhanced visual effects compared to the original release
- Improved physics interactions and ragdoll animations
- Available on multiple operating systems
- Preserves the classic Half-Life storyline
- Graphics are dated compared to modern titles
- Multiplayer community is small
- Limited replay value after campaign completion
- Graphics still dated compared to newer Source titles
- No multiplayer modes, single‑player only
- Limited modern UI customization
