This is a horizontal shooter with a twist: you can only go up by flying into windy areas, but if you fly too high, your wings will melt!
A = slow down
D = speed up
S = descend faster
Left mouse button = hold to charge the bow, release to shoot
Campaign - fight your way tough a predetermined wave of enemies and make it to the end. You can also turn on "Nightmare mode", which removes health drops, reduces invincibility duration and increases sun damage.
Challenges - A few scenarios for which you have to come up with a solution.
Survival - Kill as many enemies as you can and set a new high score.