Famitsu's four reviewers stated that the game felt similar to both Zaxxon and Solstice due to the pseudo 3D perspective and found it initially difficult to play because of this.
[7] Electronic Gaming Monthly's four reviewers commended the gameplay execution, graphics and music but criticized the amount of flickering that occurs when too many objects are present on-screen.
[15] Mean Machines's Richard Leadbetter and Julian Rignall disagreed with VideoGame's opinion when it came to the difficulty level, which they felt it was easy and lowered its replay value for more experienced players.
[13] As with Famitsu, Joypad's Alain Huyghues-Lacour and Sébastien Hamon noted that Isolated Warrior was similar to Zaxxon due to the pseudo 3D graphical perspective.
[9] Similarly, Player One's Cyril Drevet gave positive remarks to the isometric graphics, sprite animations, sound and difficulty but he felt mixed in regards to the longevity and overall gameplay.
's Andy Dyer highly commended the graphics due to their hand drawn alien-esque presentation and visual effects, use of a password system, replayability and frantic gameplay.
[16] AllGame's Brett Alan Weiss criticized the game's two technical shortcomings (flickering and slowdown), but commended the visual presentation for the character designs as well as the colorful and detailed environments.