A Cactus is a crop-block found in Minecraft: Story Mode.
- In "Assembly Required", if Jesse visits Boom Town he/she can see numerous cactus plants.
- In "A Block and a Hard Place", Jesse, Ivor, Olivia, Reuben (Pig), Soren the Architect, Lukas (Determinant), and Gabriel the Warrior/Petra (Determinant) travel past numerous of cactus plants in a Mesa Biome.
- In "Order Up!", a number of cactus plants can be seen in the distance beneath Sky City.
- In "Access Denied", Jesse can see numerous cactus plants growing in a Mesa Biome, located in the same dimension as Crown Mesa.
- In regular Minecraft, cactus plants can generate naturally on dirt or hardened clay, but they can only be planted by players on sand and red sand.
- In Episode 2, if Jesse travels to Boom Town (Determinant), he/she can stand next to a cactus without taking any damage.
- In Minecraft, players touching a cactus will take minor damage every 0.5 seconds.
- In Episode Four, the director "Graham Ross" is credited next to a cactus.