Unity Speedup Script

DebugTools.cs

using UnityEngine;

// Speeds up the game's clock when a key is being held down. Extremely useful
// for skipping cutscenes, speeding up segments where the player walks to a
// destination, or any other place where you need to wait for something.
public class DebugTools : MonoBehaviour
{
    [SerializeField] KeyCode speedUpKey = KeyCode.Tab;
    [SerializeField] float speedMultiplier = 10f;

    public void Update()
    {
        if (Input.GetKeyDown(speedUpKey)) {
            Time.timeScale = speedMultiplier;
        } else if (Input.GetKeyUp(speedUpKey)) {
            Time.timeScale = 1f;
        }
    }
}

// The following license (the "Unlicense") applies to the above code:

// This is free and unencumbered software released into the public domain.

// Anyone is free to copy, modify, publish, use, compile, sell, or
// distribute this software, either in source code form or as a compiled
// binary, for any purpose, commercial or non-commercial, and by any
// means.

// In jurisdictions that recognize copyright laws, the author or authors
// of this software dedicate any and all copyright interest in the
// software to the public domain. We make this dedication for the benefit
// of the public at large and to the detriment of our heirs and
// successors. We intend this dedication to be an overt act of
// relinquishment in perpetuity of all present and future rights to this
// software under copyright law.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
// OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.

// For more information, please refer to <https://unlicense.org>