The Gambling Commission website uses cookies to make the site work better for you. Some of these cookies are essential to how the site functions and others are optional. Optional cookies help us remember your settings, measure your use of the site and personalise how we communicate with you. Any data collected is anonymised and we do not set optional cookies unless you consent.

Set cookie preferences

You've accepted all cookies. You can change your cookie settings at any time.

Skip to main content

Gaming machine categories

24 June 2021
25 June 2021

A gaming machine is defined by the Gambling Act 2005 (opens in new tab) as a machine that is designed or adapted for use by individuals to gamble - whether or not it can also be used for other purposes.

Most gaming machines are of the reel-based type. These are also known as fruit, slot, or jackpot machines.


Gaming machines fall into categories depending on the maximum stake and prize available.

The categories are:

  • A - Category A machines are the only machines with unlimited stakes and prizes. However, no category A gaming machines are currently permitted.
  • B1
  • B2
  • B3
  • B3A
  • B4
  • C
  • D

Skill with prizes (SWPs) are not gaming machines

Read more about the differences between SWPs and gaming machines.

Other systems which are not gaming machines

Devices or systems which are not defined as gaming machines include:

  • domestic or dual-use computers
  • telephones or other machines for facilitating communication
  • machines designed or adapted to bet on future real events
  • lottery terminals
  • in a bingo premises, machines designed or adapted for the playing of bingo (including by way of prize gaming)
  • machines designed or adapted for the playing of bingo, by way of prize gaming, where a family entertainment centre gaming machine permit or a prize gaming permit is held
  • semi-automated casino games
  • wholly-automated casino games.
Next page
B1 gaming machines
Is this page useful?
Back to top