Sony announced that more than half of their PS4 sales have resulted in their customers also buying a PS Plus subscription.

"All the 4.2 million PS4s that have already moved into the hands of consumers, more than half of the people that have now gotten their hands [on] the PS4 have actually signed up for PS Plus service, which bodes very well for us," said Sony CEO Kazuo Hirai in a conference call, according to a transcript from Seeking Alpha.

Polygon is reporting that this figure remains unclear if the different types of subscriptions are factored in. There was a free 30-day trial, and now there is currently a yearly, three month, and one month version of PS Plus.

The company also revealed by the end of March they are hoping to have moved over 15 million units of the PS4 and PS3 combined. The PS4 has yet to launch in Japan, and is set to arrive on February 22.

Sony will be offering free PS Plus games in February for their subscribers in a special promotion.

PS4's Outlast game will be free for the whole month when it launches. Three PS3 titles will be free as well, Metro: Last Light, Remember, and Payday 2. Vita users will be able to download Street Fighter X Tekken and ModNation Racers: Road Trip.

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