IMHO.

METAL SLUG DEFENSE vs METAL SLUG 2

METAL SLUG DEFENSE and METAL SLUG 2 both land in Action on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Action games on Steam. METAL SLUG DEFENSE (2015) is 1 year older than METAL SLUG 2 (2016). METAL SLUG 2 scores higher on Steam reviews (85.3% positive) than METAL SLUG DEFENSE (49.5% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose METAL SLUG DEFENSE

Choose METAL SLUG DEFENSE if you want a Free To Play experience. On Steam, it's free to play, so the barrier to trying it is zero. METAL SLUG DEFENSE launched in 2015.

Choose METAL SLUG 2

Choose METAL SLUG 2 if you want the Shared/Split Screen Co-op and Co-op side of the pairing. On Steam, it carries the stronger Steam consensus at 85.3% positive across 279 reviews.

Both METAL SLUG DEFENSE and METAL SLUG 2 sit in Action on Steam and both list Multi-player and Steam Leaderboards, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

METAL SLUG DEFENSE vs METAL SLUG 2 — Steam metadata comparison
METAL SLUG DEFENSE — Steam game coverMETAL SLUG DEFENSEMETAL SLUG 2 — Steam game coverMETAL SLUG 2
Released20152016
GenresAction, Free To PlayAction
PlatformsWindowsWindows
Steam DeckUnratedDeck Unsupported
PriceFree to play1.39 USD
Steam reviews49.5% positive (740 reviews)85.3% positive (279 reviews)
MultiplayerMulti-playerMulti-player, Shared/Split Screen Co-op, Co-op
DevelopersSNK CORPORATIONSNK CORPORATION, Dotemu

Side by side

METAL SLUG DEFENSE vs METAL SLUG 2 — FAQ

Which is better, METAL SLUG DEFENSE or METAL SLUG 2?
On Steam reviews METAL SLUG 2 scores higher (85.3% positive) than METAL SLUG DEFENSE (49.5% positive). Both have enough reviews to trust the signal, so for players using reviews alone, METAL SLUG 2 is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
Should I play METAL SLUG DEFENSE or METAL SLUG 2 first?
If you want chronology, METAL SLUG DEFENSE (2015) came out before METAL SLUG 2 (2016). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are METAL SLUG DEFENSE and METAL SLUG 2 similar?
They overlap on Action on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Is METAL SLUG DEFENSE free?
Yes — METAL SLUG DEFENSE is a free-to-play Steam title. METAL SLUG 2 is paid (1.39 USD).
METAL SLUG DEFENSE vs METAL SLUG 2 — Verdict (2026) · imho.run