Juno First is a shoot 'em up originally developed and published by Konami Corporation for Arcades The game was later published by Mylstar Electronics (US arcades), Datasoft Inc (Atari 8-bit, PC Booter, and Commodore 64), and Sony Computer Entertainment Japan (MSX)
Juno First is a top down, vertical scrolling shooter in which there is a limited amount of time to defeat the enemies in each wave
The players spaceship starts out with a laser that has a longer reach than the enemy weapons The enemies start out firing a few bullets at the ship but the amount enemy fire rapidly increases as players progress through to the next waves
Certain enemies fire tracking missile-like projectiles that can shoot additional bullets