Polyphony2021

Invictus is a ROM hack/mod of Super Mario World by juzcook. It is a chocolate kaizo hack with a touch of vanilla that will challenge even the most experienced players. It aims to be fun, whilst remaining difficult albeit fair.

A fast paced kaizo level with 7 extremely precise stars and lots of innovative and unique ideas!

Kaizo Mario World, also known as Asshole Mario, is a hack created by T. Takemoto for his friend R. Kiba. It features extremely sadistic, unique and groundbreaking level design. This is also the hack that started it all, since the kaizo genre wasn't existent beforehand. The literal translation of "Kaizo Mario World" is "自作の改造マリオ（スーパーマリオワールド）を友人にプレイさせる", or in plain English, "Making my friend play through my Mario hack (Super Mario World)". Kaizo is a rough translation of the word "modify" or "change" in Japanese. However, due to this Hack, Kaizo has now become a catch-all term for extreme and possibly "unfair" difficulty hacks.

Grand Poo World II is a ROM hack of Super Mario World created by Barbarian. This is a sequel to Grand Poo World and the series is dedicated to Twitch streamer, Grand POOBear.

Baby Kaizo World is a ROM hack/mod of Super Mario World made by Nowieso. This ROM hack was made as a beginner level kaizo hack, for new players of the genre. Therefore, it's difficulty is balanced to make the learning process less frustrating for the new players.

Released in 2023 on Super Nintendo Entertainment System, by MorrieTheMagpie.

Learn 2 Kaizo is a Kaizo Tutorial hack aiming for people who wants to get started into Kaizo. This hack is based around a One-Trick per Level Basis.

Super Mario World (超級馬里奧世界) is a bootleg port of the SNES launch title of the same name (Super Mario World) developed by Hummer Team and released in 1995. This is one of the more well-known examples of bootleg ports to the Famicom, as it comparatively manages to retain most of the original SNES game's elements.