- Extreme (CZ) (Death Metal-Czechia)
- Extreme (USA) (Heavy Rock-USA)
- Extreme Attack (Thrash Metal-Ecuador)
- Falling Darkness (Deathcore-Mexico) - Other name : Extreme Christ Worshipers
- Extreme Cold Winter (Death Doom-Netherlands)
- Extreme Cowboy (Hardcore-Australia)
- Extreme Decay (Grindcore-Indonesia)
- Extreme Deformity (Death Metal-Hungary)
- Extreme Hate (IDN) (Grindcore-Indonesia)
- Extreme Hate (Grind Death-Brazil)
- Extreme Maggot Infestation (Death Metal-United-Kingdom)
- Extreme Masturbation (Grind Death-Spain)
- Genocide (MEX) (Grind Death-Mexico) - Other name : ex-Extreme Mind
- Extreme Napalm Terror (Grind Death-Germany) - Other name : ENT
- Extreme Nightmare Terror (Black Metal-Norway)
- Extreme Noise Terror (Crust-United-Kingdom) - Other name : ENT
- Extreme OD (Metal-United-Kingdom) - Other name : XOD
- Extreme Repulse (Death Metal-Brazil)
- Extreme Rot (Brutal Death-China)
- Extreme Salvation (Black Death-Switzerland)
- Silêncio Extremo (Death Metal-Portugal) - Other name : Extreme Silence
- Extreme Smoke 57 (Grindcore-Slovenia)
- Extreme Tendencies Animosity Brutality (Brutal Death-Indonesia) - Other name : XTAB
- Extreme Unction (Melodic Death Black-Portugal)
- Extreme Vaginal (Brutal Death-Indonesia)
- Extreme Violence (Death Metal-Greece)
- Extreme Warning (Thrash Metal-Brazil)
- Extremely Brutal (Death Metal-Canada)
- Extremely Rotten (Brutal Death-USA)
- Extremely Rotten Flesh (COL) (Brutal Death-Colombia)
- Extremely Rotten Flesh (PL) (Death Grind-Poland)