Very creative concept
Castle Defender is exploring a way of implementing high latency controls, the premise of which is that your input sequence is not necessarily the sequence that takes effects.
Your goal is to drop shapes of different types and match the corresponding enemy shape before it reaches your castle, otherwise you will face your demise eventually.
Up Arrow to drop triangle
Left Arrow to drop square
Down Arrow to drop cross
Right Arrow to drop circle
A personal project developed at the NYU Game Center for Prototype Studio class.