Fireflies drift and flicker across a warm summer night and you drag a glass jar to catch them before they wink out. Each firefly you catch lights up the jar a little more. Rare blue fireflies glow twice as long and score triple. Let the jar go dark and the night swallows your score along with the last light.

Your neon serpent grows longer with every pellet it devours on a dark cyber grid. Swipe to steer or use the on-screen d-pad — the controls respond instantly but the tail does not forgive. Speed increases as you grow. One collision with the electric walls or your own tail and the whole glowing run ends.

You control a submarine's sonar and tap to send out a ping that ripples across the deep. Hidden targets light up for a fraction of a second when the wave hits them — tap their position from memory before the next ping. The ocean gets darker and the targets more numerous with each passing depth level.