Time namespaces may be the best bet if you also need to run other tools with the same time configuration alongside the game.
For quick one-offs, there’s libfaketime with the faketime command. I’m not 100% sure that this will work with things like Wine but it should be relatively easy to test.
Time namespaces may be the best bet if you also need to run other tools with the same time configuration alongside the game.
For quick one-offs, there’s libfaketime with the faketime command. I’m not 100% sure that this will work with things like Wine but it should be relatively easy to test.