
半衰期:蓝色行动 CD版
You are using the Safari browser. Only Safari on the latest macOS Sequoia 15.4.1 or iOS 18.4.1 is supported for proper functionality.
You are using the Firefox browser. Only the latest version of Firefox is supported.
Please enter 'about:config' in the Firefox browser, then search for 'javascript.options.wasm_js_promise_integration', set its value to true, and refresh this page to achieve optimal performance.
Please enter 'about:config' in the Firefox browser, then search for 'javascript.options.wasm_js_promise_integration', set its value to true, and refresh this page to achieve optimal performance.
Please install and use the latest version of Chrome or Edge for the best experience.
Mobile device browsers are not supported due to memory limitation.
Your browser storage quota is low and you may not be able to load the game correctly.
Usage: Available:
Usage: Available:
To help us improve, please disable ad blocker for our site. Start game in seconds.
Become a Gold Member to enjoy an ad-free experience, unlock cloud saving, and help us to improve.
Some animated ads may impact game performance. If the game becomes choppy, please close the ads.
Some animated ads may impact game performance. If the game becomes choppy, please close the ads.
Loading...
🛈Windows games require the latest desktop CPUs for optimal experience. See the help page for more details.
半衰期:蓝色行动 CD版 (2001)
Half-Life: Blue Shift
Gearbox Software
Play
性能警告:最新的桌面CPU上可勉强运行。

《半衰期:蓝色行动》是Gearbox Software公司开发的关于第一人称射击游戏《半衰期》的扩展包,于2001年6月12日发布。和其他的扩展模式比如《半衰期:针锋相对》一样,蓝色偏移是从故事的最开头进行的,但是使用了不一样的游戏人物。游戏的地点还是在黑山研究所。主角想要逃脱外星人的控制,拯救即将失落的地区。
Upload Save File
Upload save file will orverwrite current progress and restart, do you wish to continue?
Warning
Welcome
Welcome to playing retro Windows games in your browser! To ensure your game saves properly, please exit the game and wait for Windows to shut down completely. Make sure you see the "It is now safe to turn off your computer" message before using the save functions to avoid potential disk corruption.
To save disk changes made by the game, you must manually use the following save functions:
Save to cloud (Gold member only).
Save to local browser storage.
Save and download the save file.
To save disk changes made by the game, you must manually use the following save functions:
Don't show this again.