Complete Metal Slug Series List (Chronological)

Mainline Arcade / Neo Geo (SNK)

1. Metal Slug (1996)
2. Metal Slug 2 (1998)
3. Metal Slug X (1999) — Enhanced 2
4. Metal Slug 3 (2000)
5. Metal Slug 4 (2002) — Mega Enterprise dev
6. Metal Slug 5 (2003) — SNK Playmore
7. Metal Slug 6 (2006) — Atomiswave, new sprites
8. Metal Slug 7 (2008) — DS (Taito)
9. Metal Slug XX (2009) — PSP, Enhanced 7

Spin-Offs / Ports / Mobile

• Metal Slug 1st Mission / 2nd Mission (1999/2000) — Neo Geo Pocket Color
• Metal Slug Advance (2004) — GBA
• Metal Slug 3D (2006) — PS2 (Japan only, 3D, poorly received)
• Metal Slug Touch (2009) — iOS (Port of 1)
• Metal Slug Defense (2014) — Mobile Tower Defense (F2P)
• Metal Slug Attack (2016) — Mobile TD Sequel (F2P, still updated)
• Metal Slug Infinity (2019) — Mobile Idle RPG
• Metal Slug: Awakening (2023) — Mobile/PC Action RPG (Tencent/TiMi)
• Metal Slug Tactics (2024) — PC/Console Turn-Based Tactics (Leikir Studio)

Compilations

• Metal Slug Anthology (2006) — PS2, PSP, Wii (1-6)
• Metal Slug Complete (2010) — PS3, PSP (1-6 + X/XX?)
• Metal Slug XX (2010) — XBLA/PSN (7/XX)
• Metal Slug 1-5 + X/XX on ACA NeoGeo (Switch/PS4/Xbox/PC) — Individual perfect ports.

Best Way to Play Today: ACA NeoGeo versions on Switch/PC (save states, rewind, online leaderboards) or Metal Slug Tactics for new tactical take.