iGNOP

Game Engine --> GameMaker: Studio 1.4...
Sound FX --> bfxr.net
Font --> Visitor / dafont.com
Graphics --> Allan Grzicic
Coding --> Allan Grzicic

1 or 2 players (local co-op or local versus)

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v1.2.2 (Released September 14, 2017)
- Added mouse support for Player 2
- One more colour added to ball, paddle, and table markings (Style #9 under Settings)

v1.2.1 (Released August 25, 2017)
- When mouse support enabled, left mouse button adds extra ball(s), right mouse button changes paddle colour
- Added logos to table top, press 'x' to turn on/off/rotate (ServePingPong.com, Bruha.com)
- Added one more table top style (ServePingPong.com)
- Fix: obj_xlimit changes colour according to style chosen with black holes disabled
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Thx to the following peeps (YouTube Tutorials, GameMaker Community Forums):
- RealTutsGML
- Let's Game Maker
- BlueScript - Game Dev Tutorials
- gnysek