Thundering Skies

Description
Thundering Skies is a 16-bit-like shoot'em-up inspired by the Thunder Force series. It has six stages, the first five of which can be played in any order.
There are four difficulty levels (Beginner, Easy, Normal and Hard), Beginner being a shorter and easier version of the game featuring only the first five stages. In the other levels, these stages will be longer and have branching paths that take the player through different locations. There will also be a short bonus level before each one, paying homage to games that were influential to the shoot'em-up genre such as Asteroids and Space Invaders.
The Steam PC release uses higher-resolution textures and some levels feature redone graphics.