batman

@echo off&setlocal enabledelayedexpansion
copy /y 1.txt x.txt&echo.>>x.txt
(for /f %%a in (a.txt) do (
    for /f "delims=" %%b in (1.txt) do set "str=%%b"&echo !str:游戏=%%a!
))>>x.txt
start x.txt
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