Let's celebrate Summer!! To start the Summer fun, use coupon SUMMER2017 and get 200% up to $200 on 2 deposits. This offer is valid from June 22nd to 25th at Lincoln online casino and from June 23rd to 25th at Liberty Slots. Redeem code: SUMMER2017 200% match up to $200 Valid on 2 deposits. Bonus valid until June 25th, 2017 Lincoln casino and Liberty Slots are powered by WGS and accept players from around the world.