Sky Monsters! In The Sky!

Sky Monsters! In The Sky!, otherwise known as Sky Monsters, is a game done by Gluerock Studios, primarily developed by Zab and some tweaks and beta testing by Stelle. The game is a classic-styled shoot-em-up where you fight off as D Kess, who makes his first Gluerock Branded appearance as the protag.

OFFICIAL DESCRIPTION
D Kess returns in his own game! In this classic Arcade shooter, fight off Sky Monsters invading his town with your Supa Sucker! Pack a punch and have a blast as you fight aliens! Use the arrow keys to move and use your (broken) jetpack, space to fire.

TRIVIA

 * The game was released May 10, 2021 despite the trailer coming the day after.
 * The timeline connection is part of the ZippityZab Invaded Event, basically what Kess did during the invasion.
 * Visit the Game Here: Sky Monsters! In the Sky!! by Gluerock Studios (itch.io)