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Half-Life 2: Episode One Hints
How can I destroy these rollermines?
1 of 6: You can pick them up and throw them around with the gravity gun, but you can't destroy them. There's no deep water to throw them into like there was on the coast in the main game.
2 of 6: But maybe you don't actually have to destroy them....
3 of 6: Remember what Alyx can do to rollermines now.
4 of 6: Try knocking one away so that it'll take a few seconds to get back to you, then picking the other one up and holding it out to Alyx.
5 of 6: She'll reprogram it, making it safe for you to drop and ignore.
6 of 6: Grab the other one and repeat the reprogramming process to not only stop the rollermines from attacking you, but to make them ready to attack soldiers!
