| name | description |
| m4volcan__a | Volcano (BWB) (MPU4) (20/25/30p stake / £5/£10/£15 jackpot) (set 2) |
| m4volcan__b | Volcano (BWB) (MPU4) (20/25/30p stake / £5/£10/£15 jackpot) (set 3) |
| m4volcan__c | Volcano (BWB) (MPU4) (20/25/30p stake / £5/£10/£15 jackpot) (set 4) |
| m4volcan__d | Volcano (BWB) (MPU4) (20/25/30p stake / £5/£10/£15 jackpot) (set 5) |
| m4volcan__e | Volcano (BWB) (MPU4) (5/10p stake / £5/£8 jackpot) (set 1) |
| m4volcan__f | Volcano (BWB) (MPU4) (5/10p stake / £5/£8 jackpot) (set 2) |
| m4volcan__g | Volcano (BWB) (MPU4) (5/10p stake / £5/£8 jackpot) (set 3) |