可以使用Steam Web API来获取所需数据。以下是使用Python实现的示例代码：

import requests

# Replace with your own Steam Web API key
api_key = "YOUR_API_KEY"

# Replace with the ID of the game or app you want to retrieve data for
app_id = "APP_ID"

# Replace with the type of data you want to retrieve (e.g. player count, achievements)
data_type = "DATA_TYPE"

# Make a request to the Steam Web API
url = f"https://api.steampowered.com/ISteam/{data_type}/v0002/?appid={app_id}&key={api_key}"
response = requests.get(url)

# Check if the request was successful
if response.status_code == 200:
    # Parse the JSON response
    data = response.json()
    # Extract the data you need from the JSON object
    # ...
else:
    # Handle the error
    # ...

此代码使用了Python的requests库来进行HTTP请求，并使用了Steam Web API的一个端点来获取游戏或应用程序的数据。请将“YOUR_API_KEY”和“APP_ID”替换为您自己的API密钥和应用程序ID，并将“DATA_TYPE”替换为您要检索的数据类型。