The Irem Collection Volume 2 by ININ brings together three more classic arcade titles, each showcasing a different era and style within the shoot ‘em up and run-and-gun genres. Collectively, the set captures a portion of the historical development of Irem’s early game design that later paved the way for series like Metal Slug, making it a nostalgic and enlightening experience for retro gaming fans.
The first game, GunForce, offers an early example of the run-and-gun format, setting players on a mission to battle hordes of aliens and high-tech foes. For fans of Metal Slug, it’s fascinating to see the origins of mechanics (and visuals) that later became genre hallmarks. However, GunForce shows its age in several ways – both in graphics and in gameplay fluidity, which can feel limited and unrefined compared to what came after. The appeal here lies in its historical significance rather than pure gameplay quality, as some players might find its controls and pace a bit stiff by modern standards. It’s a good trip down memory lane, but unlikely to become a title you go back to regularly.
GunForce II, also known as GeoStorm, is the highlight of this collection. Unleashed for the first time on consoles, this title builds on its predecessor with enhanced animation, smoother controls, and an unmistakably richer aesthetic that evokes the feel of arcade run and gun action. Here, players can choose between characters Max and Lei, each armed for battle across a futuristic landscape. It also brings in vehicles like mechs and tanks, adding variety to the classic gunplay. The design improvements here are substantial, with the visuals and soundwork standing out in particular. Many elements of GunForce II make it feel like a true precursor to Metal Slug, even in its sound effects and animation style, providing fans with an engaging experience that feels both challenging and immersive. For some, this will feel like the Metal Slug prequel they never knew existed.
The final entry, Air Duel, shifts the collection’s focus to the vertical shoot ‘em up genre, delivering a high-energy, aerial combat experience. Released exclusively in Japan back in the day, Air Duel debuts globally for console audiences in this collection, letting players pick between two unique aircraft, each catering to a different play style. The game’s futuristic post-nuclear setting and D.A.S. organization storyline bring a classic arcade charm, but Air Duel can feel punishing at times due to its difficulty curve. While some players may appreciate the unrelenting challenge, others might find the game’s minimal narrative and steep learning curve slightly less accessible.
A great feature across all three games is the addition of quality-of-life options, such as quick saves and a rewind feature, which make these tough-as-nails titles a bit more accessible for modern players. These enhancements not only ease frustration but also allow players to appreciate the levels and design without the harsh limitations of quarter-eating arcade machines. However, for purists who relish the challenge of an uninterrupted arcade experience, these assists can be toggled off.
Visually, each game in the Irem Collection Volume 2 has its distinct style. While GunForce and GunForce II showcase the transition from basic 16-bit graphics to more refined and lively animations, Air Duel retains the crisp pixel art that defined late ’80s and early ’90s arcade aesthetics. The sound design also varies, with the more intense, militaristic soundscapes of GunForce II and the frenetic energy of Air Duel setting the tone well, even if some audio feels repetitive by today’s standards.
Overall, Irem Collection Volume 2 stands out as both an engaging gameplay experience and a slice of gaming history. For fans of run-and-gun and arcade shooters, it provides a good opportunity to play relatively rare but influential titles with modern comforts that make the experience enjoyable without compromising the original gameplay. Although GunForce and Air Duel may feel more dated compared to the standout GunForce II, the collection’s breadth makes it an essential exploration of Irem’s legacy in arcade gaming.
Score: 7.7/10
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