Thank you for the feedback! So I think I should have made a tutorial or something lol. The yellow bar that turns green is your class ability cooldown bar.
The arc charge is meant to be used on that door and it's the only thing it's used for right now haha. But I agree I definitely should have a way for the player to know if they have it or not.
That's a really good idea about telling what the other classes do. I actually didn't consider it 😅
The infiltrator's ability let's then cut the cost of things in the level by half