Pong Evolution

How to play ? Keyboard Left/Blue player

WASD or ZQSD to move
Space to dash
Alt Gr to slow down time

Right/Red player

OKL; or OKLM to move
Enter to dash
Backdash to slow down time

Touchscreen

Move the rackets by dragging them with your finger or mouse
A quick swipe in one direction to dash
A touch or a click in your side of the screen to slow down time (left side for blue player and right side for red player)

Pausing the game

Escape or click/touch the score to pause

Source code

https://github.com/Matomatt/Pong  
Don't hesitate if you want to add something yourself or submit an issue :)