Local Gardai said a man in his late 20s, who was arrested on Monday evening and detained at Tallaght station under section 4 of the Criminal Justice Act 1984, has been released today without charge.
The man was questioned over the armed robbery which took place on Sunday evening when two raiders entered the premises in Whitestown Business Park before 6pm.
The manager of the centre, Robbie Doyle, was stabbed in the hand after being held up by the raiders who fled the scene with a small amount of cash in a blue Ford Fiesta driven by an accomplice. The car was later found burnt out in Killinarden.
Mr Doyle required surgery for his injuries and it is hoped there is no long term damage to his hand.
Tallaght Adventure World was back open again yesterday morning.
A Garda spokesman said a file is being prepared for the Director of Public Prosecutions.