What Is A TAS: Tool-Assisted Speedruns Explained
If you’re reading this article, you’re probably wondering what a tool-assisted speedrun is. The answer is quite simple, but I’m aware that it can seem more daunting than it is.
In short, a TAS is a tool-assisted speedrun. The tool assistance can include assigning specific inputs to automatically play out throughout the game, frame-by-frame advancements, and even unintended button presses such as up and down or left and right at the same time. TAS are built, but not performed by humans either for entertainment or examination of a video game's limits.
A TAS is often used to see how fast a game can theoretically be beaten. This is different from a normal speedrun where a speedrunner will strive to beat a game as fast as humanly possible.
How do they achieve this extreme theoretical s...