Is METAL SLUG DEFENSE co-op?

METAL SLUG DEFENSE does not list co-op on Steam; it has Online multiplayer, Single-player too.

Does METAL SLUG DEFENSE have PvP?

Steam does not list PvP for METAL SLUG DEFENSE.

How many people play METAL SLUG DEFENSE?

About 9 players were in-game when this page was built (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Tower defense

Is METAL SLUG DEFENSE multiplayer or co-op?

Yes — online multiplayer. METAL SLUG DEFENSE is a tower defense game released in 2015, 56% positive on Steam (2,095 reviews), with 9 playing right now. Free on Steam.

Online multiplayerSingle-player tooStrategy · Tower defense

“METAL SLUG”, the pinnacle of 2D action-shooting on NEOGEO returns in a brand new strategy game on Steam!

Steam tags: Free to Play, Action, 2D, Tower Defense, Multiplayer, Strategy, Adventure, Pixel Graphics

Do you and a friend both own METAL SLUG DEFENSE?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether METAL SLUG DEFENSE is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Compare our libraries Steam store page

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Bloons TD 6

Tower defense · 97% positive on Steam (353,960 reviews) · 7,489 playing right now

Dome Keeper

Tower defense · 92% positive on Steam (16,212 reviews) · 402 playing right now

Dungeon Defenders II

Tower defense · 77% positive on Steam (21,823 reviews) · 351 playing right now

Dungeon Defenders

Tower defense · 93% positive on Steam (18,060 reviews) · 284 playing right now

Orcs Must Die! 3

Tower defense · 86% positive on Steam (14,083 reviews) · 161 playing right now

Age of Darkness: Final Stand

Tower defense · 77% positive on Steam (9,463 reviews) · 176 playing right now

Tired of METAL SLUG DEFENSE? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is METAL SLUG DEFENSE co-op?: METAL SLUG DEFENSE does not list co-op on Steam; it has Online multiplayer, Single-player too.
Does METAL SLUG DEFENSE have PvP?: Steam does not list PvP for METAL SLUG DEFENSE.
How many people play METAL SLUG DEFENSE?: About 9 players were in-game when this page was built (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; updated 2026-09-09. Powered by Steam — not affiliated with or endorsed by Valve Corporation.