: A major drawback is the inability to map multiple controllers for local co-op, effectively making this a single-player-only experience. Screen Stretching
: A native PC port included in this set, originally released for the Atomiswave arcade hardware. Review: Pros, Cons, and Technical Performance Metal Slug Collection PC
The original 1996 title; very positive user reviews on modern platforms.
: Unlike many modern re-releases, this version enforces strict credit limits (e.g., only 4–5 credits for early titles), which can make reaching the end difficult for casual players. Lack of Co-op