Great concept but just not executed correctly, levels last too long and the difficulty increase is extremely slow, and after a certain point it spikes. I'd recommend that it doesn't take 2 whole minutes for the green arrows to appear and instead cut that time in half. Also, and it may just be because I played a lot of touhou, but you should vary your bullets, the blue, slow falling ones are great and all but having faster ones and/or directed ones would make the experience truly more challenging instead of a "see how long it takes for the player to press a key incorrectly" type challenge. of course, these are just recommendations.
Reviews for "Neonider2 : Slot and Nuke"
Pretty good nice sound and some of the graphics are a bit to flashy in places kinda clunky but overall a good attempt at a sequel for this game.