Let's Compare - Juno First

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Juno First is an arcade game developed by Konami and released in 1983. It was licensed to Gottlieb in the United States. Juno First combines elements of vertically scrolling shooters and fixed shooters, using a slightly tilted perspective similar to Nintendo's Radar Scope from 1979.

Juno First was ported to the Commodore 64 and Atari 8-bit family by Greg Hiscott and published by Datasoft in 1983 and 1984 respectively.

Game Play
Juno First presents a set number of enemies per level, but they do not make a gallery formation like Galaga or Space Invaders. Instead, the player's ship can move forward and backward (in addition to left and right) to hunt enemies in an orientation that is vertical, but has some horizon-oriented tilt. This style of gameplay would be re-used in a later Konami shooter, Axelay.

The player destroys waves of enemies to finish levels. Starting formations vary from stage to stage. In addition, the player can pick up a humanoid, upon which the screen will have a red tint. While this happens, every enemy the player shoots will earn the player 200 more points than the previous enemy destroyed. The original score for shooting an enemy while in humanoid mode depends on the stage.

Source:  Wikipedia

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