Need a screen recorder without lag!!!?

Ok so I want to make YouTube videos but every time I go in a game like tf2 or minecraft and attempt to record the game goes so laggy it's unplayable. I have tried Jing and screencast o matic but Jing sucked since the actual footage recorded is really jumpy and screen cast o matic makes my games lag. Please... show more Ok so I want to make YouTube videos but every time I go in a game like tf2 or minecraft and attempt to record the game goes so laggy it's unplayable. I have tried Jing and screencast o matic but Jing sucked since the actual footage recorded is really jumpy and screen cast o matic makes my games lag.
Please suggest me FREE screen recorders

Thank you and make sure they are FREE!!!!
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