Gundam Assemble Scale: Understanding the 5cm Miniature Format

Gundam Assemble scale represents one of the most significant departures from traditional Gunpla modeling. Bandai officially launched this tactical miniatures game in October 2026, featuring mobile suits that finish at approximately 5 cm or roughly 2 inches tall—a dramatic reduction from the Master Grade and Perfect Grade kits that have defined the franchise’s plastic model line for decades.

The 5 cm Standard Across All Units

Every unit in Gundam Assemble maintains a consistent 5 cm height regardless of which Gundam series it originates from. This uniform scale applies to the RX-78-2 from the original 1979 anime, the Wing Gundam Zero EW from Endless Waltz, and the Barbatos Lupus Rex from Iron-Blooded Orphans. The standardization ensures gameplay balance on the hex-gridded board, where each miniature functions as a tactical piece with matching unit cards that define combat capabilities.

The official Bandai Hobby site describes Gundam Assemble as “a tactical miniatures game featuring battles between two-inch scale Gunpla plastic models,” positioning this size choice as the foundation of the entire competitive format. Unlike traditional Gunpla where scale varies wildly between product lines—with some Perfect Grade kits large enough to dominate a display shelf—the Gundam Assemble scale keeps every mobile suit at the same footprint for consistent tabletop play.

Scale Comparison With Traditional Gunpla

The contrast between Gundam Assemble scale and established Gunpla lines is jarring for collectors accustomed to larger display pieces. Master Grade kits typically stand between 18-20 cm tall in 1/100 scale, while Perfect Grade models reach 30 cm or more in 1/60 scale. The Gamer’s launch coverage highlighted this difference as the core of its critique, arguing that Gunpla’s traditional appeal has been built on physical presence and that shrinking flagship suits to skirmish size trades spectacle away entirely for competitive uniformity.

A comparison table illustrates the scale differences:

Product Line	Scale Ratio	Typical Height	Primary Use
Gundam Assemble	Custom skirmish scale	~5 cm (2 in)	Tabletop gameplay
High Grade	1/144	~13 cm	Display/casual build
Master Grade	1/100	18-20 cm	Display/advanced build
Perfect Grade	1/60	30+ cm	Premium display

The reduction to 5 cm means a mobile suit that would tower over a shelf as a Perfect Grade becomes a compact game piece small enough to fit multiple units on a single hex board alongside cardboard terrain and objective markers.

Assembly and Hobby Work at Miniature Scale

Despite the smaller Gundam Assemble scale, the kits maintain the unpainted, unassembled format that defines traditional Gunpla. Players receive miniatures on plastic runners and must snap or glue parts together before painting. Bandai offers no pre-built option at any price tier, and the company even sells a dedicated paint pack called Nero 1 as an accessory bundle for hobbyists starting from zero experience.

Early hands-on coverage from Goonhammer examined roughly a dozen card game pack-in models and singled out the Tallgeese as the standout sculpt in the range. The outlet came away optimistic enough to state they would buy far more of the line if Bandai could keep miniatures reliably in stock at retail.

A more critical review of the TP07B Zaku II release found the plastic heavy-duty with chunky runners, noticeably cheaper than comparable Games Workshop miniatures but not quite as crisp in finer sculpted detail. Real mold lines appeared along the legs, and reviewers recommended sanding sticks over standard hobby knives for cleanup. That particular Zaku splits into six pieces during assembly, and reviewers wished the arms detached separately to enable sub-assembly painting before final construction.

The consistent thread across early coverage noted that cleanup and painting work remains genuinely rewarding at this scale. Gunpla veterans in particular feel instantly at home with the build process, though the drastically smaller size requires adjustment.

Gameplay Rationale Behind the Scale Decision

The 5 cm Gundam Assemble scale serves multiple strategic purposes beyond simple manufacturing standardization. The compact size allows complete three-on-three skirmish battles to play out on a single hex board with minimal terrain investment. Starter Set 01 includes everything needed—game map, cardboard terrain pieces, dice, and tokens—all sized for the miniature format.

Early reviewers repeatedly praised how little table space the game demands compared to larger tabletop wargames. A hex board and modest terrain pieces, all included in the $35 starter box, provide enough infrastructure to run a complete match. This accessibility became one of the most commonly cited reasons reviewers considered Gundam Assemble more approachable than established wargames.

The smaller scale also supports the format’s baseline of three units per side rather than the dozens common in larger miniature games. Every single model carries real tactical weight—losing one unit represents a far bigger swing than losing one model out of 30 in a full-scale wargame. That smaller footprint serves as the format’s core beginner hook: fewer models to learn, fewer models to paint before a game becomes playable, and squads that can realistically go from sealed box to finished tabletop army in a single weekend rather than becoming season-long painting projects.

The uniform scale enables cross-series dream matchups that the anime never depicted. A Universal Century Zaku from the original 1979 series can face a Witch from Mercury suit that aired in 2023, all balanced for competitive play through standardized dimensions and matching unit cards.

The Gunpla Purist Debate

The Gundam Assemble scale has generated genuine philosophical disagreement within the hobby community. Reviewers praised the use of 10-sided dice instead of standard six-siders, the minimal terrain requirements, and a $35 starter price that undercuts most comparable miniature wargames. Goonhammer’s early assessment called the format genuinely optimistic and highlighted the low barrier to entry as compelling for curious but uncommitted players.

Critical voices focused less on mechanical execution and more on conceptual direction. The Gamer’s launch review argued the format fundamentally misses Gunpla’s identity, since the franchise’s plastic model appeal has always centered on scale and physical presence. Shrinking flagship suits to 2-inch skirmish pieces sacrifices spectacle for tactical uniformity in ways that may not resonate with collectors who build for display rather than gameplay.

The plastic quality also drew mixed reactions. While heavy-duty and substantially cheaper than premium Games Workshop offerings, the detail crispness sits a clear notch below top-tier miniature lines. Mold lines on releases like the Zaku II require genuine cleanup work before painting, though reviewers consistently noted this represents rewarding hobby work rather than a deal-breaking flaw.

Product Range at 5 cm Scale

Bandai has committed to an aggressive release schedule with more than 30 items planned worldwide within the first year. All maintain the 5 cm Gundam Assemble scale regardless of price point or product type.

Starter Set 01 launched at $35 with six miniatures spanning multiple eras: RX-78-2, Char’s Zaku, Wing Gundam Zero EW, Gundam Mepphyon, Gundam Vidar, and Barbatos Lupus Rex. The set provides everything two players need to learn the game in one sitting.

Expansion packs like EX01 (Mobile Suit Gundam Unicorn) and EX02 (The Witch from Mercury) retail at $40 and include three miniatures each with matching unit cards and tactics cards. These packs plug directly into existing collections, expanding tactical options without requiring a complete new starter purchase.

Deluxe Set 01 scales up to $100 and contains 13 miniatures total for five-on-five battles, including battleship-class units. The set’s headline scenario recreates the Battle of A Baoa Qu from the original Universal Century timeline while mixing in Witch from Mercury suits—another cross-series matchup enabled by the standardized scale.

Frequently Asked Questions

Why did Bandai choose 5 cm for Gundam Assemble scale?

The 5 cm scale enables balanced competitive gameplay on a hex board with minimal space requirements. All units maintain identical height regardless of source series, ensuring tactical fairness while allowing dream matchups between mobile suits from different Gundam timelines.

How does the 5 cm scale compare to traditional Gunpla?

Gundam Assemble miniatures finish at roughly 5 cm tall, significantly smaller than High Grade (13 cm), Master Grade (18-20 cm), or Perfect Grade (30+ cm) kits. The reduced size prioritizes tabletop gameplay over display presence.

Do I still need to assemble and paint miniatures at this scale?

Yes. All Gundam Assemble products ship unpainted and unassembled like traditional Gunpla. Players snap or glue parts together and paint them before playing. Bandai offers a Nero 1 paint pack accessory for beginners.

Is the smaller scale easier to paint?

The 5 cm Gundam Assemble scale requires careful brush control but less overall painting time than larger kits. Reviewers noted cleanup work remains necessary, with mold lines requiring sanding sticks, though the hobby work stays genuinely rewarding for Gunpla veterans.

Can I use larger Gunpla kits in Gundam Assemble games?

The game mechanics assume uniform 5 cm scale for hex board movement and line-of-sight calculations. Using differently sized models would break the tactical balance and spatial relationships the rules depend on.