Open AT 0.3a - Controller Input Demo 

Demonstration of Controller input - Tested on DualShock 4.
Game will detect control scheme on-the-fly, but still not perfect.
Touch input is half broken, still pending for fix.
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Open AT is open source Godot remake project of ENKORD's game, Armada Tanks, which is downloadable from their official website for free.
Supports Windows, Linux, and Android.