Editing Tool-assisted superplay

A '''tool-assisted speedrun/superplay''' (abbreviated '''TAS''') is a playthrough of a game or part of a game utilizing tools unavailable in normal gameplay, usually with the aim to create a theoretically perfect [[speedrun]] through the use of otherwise humanly infeasible execution and techniques. Typically, a TAS is played in an emulator, where a person can carefully manipulate savestates to tweak random in-game events and advance gameplay frame by frame to easily achieve techniques that require frame perfect timing. The seed created by these actions will then always yield the same outcome when played back.

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TAS videos frequently feature particularly extreme use of advanced techniques or exploits in order to perform matches that would ordinarily be impossible by human players without external assistance. TAS videos commonly feature players playing through matches without taking any [[damage]] in single-player modes, speedrunning through the modes at an inhuman level, or achieving other incredible feats that are outside the realm of human capability. Another popular subject of TAS videos is playing [[versus]] matches that feature long, extensive, and intricate [[combo]]s between player-controlled characters in drawn-out matches, that also involve extensive use of glancing blows and/or extreme [[DI]] and [[SDI]], surviving what would easily be killing blows via [[tech]]ing in abnormal places, and often ending the match by having both players lose their last stock on the same [[frame]], including in the resulting round of [[Sudden Death]]. Actual battles are not the only subjects of TAS videos; TAS has also been done on modes such as the [[Home-Run Contest]] and [[Target Test]] games in order to achieve humanly impossibly high distances or low times.