Brian Taylor writes: I am going to try and tell you about Dyad.
Dyad is a tunnel shooter. You guide a neon, glowing shape that reminds me of a fishing lure forward (or upward). Locomotion is not propulsion. You latch onto enemies in front of you to pull yourself forward. Getting close to the enemy as you pass by it builds up an energy meter which lets you propel yourself forward in your only attack. This is called “lancing”. New enemy types and techniques are introduced one at a time in each of the game’s stages.