Jesse Van Rootselaar, 18, created the virtual “experience” on the online gaming platform Roblox before his terrifying real-life rampage, a rep for the company confirmed.

The teenager that opened fire in a remote Canadian school had created a video game to allow players to simulate a mass shooting.

A powerful Lua script that exports all scripts from Roblox place files (.rbxl) into organized directory structures, making it easy to version control, review, and manage your Roblox game code.