The following are online slots developers who provide free slots demos for their games.  Demo games are play for fun versions of online slots that appear in real money casinos.  Also, several of the following resources offer free slots app collections that contain games from multiple casino software developers.

Collections of Free Slots Games

We have included three of the best collections of online slots available for free play.  Each collection holds over 100 free slots games available in a demo mode where players can play for fun.

Vegas Paradise Collection

Ruby Fortune Collection

Mr Green Collection

 

Casino Game Developers

We have selected the best known casino game developers that offer free demo play of their online slots.  There are several other developers that have not been included in this list for the simple reason that there are so many.  If you are a slots game developer and you feel that your company should be included in this list, please contact us for consideration.

https://www.netent.com/en/

http://betsoft.com/

http://www.playngo.com/

https://www.microgaming.co.uk/