IMHO.

Call of Duty®: Modern Warfare® 2 (2009) vs Call of Duty®: Modern Warfare® 4

Call of Duty®: Modern Warfare® 2 (2009) and Call of Duty®: Modern Warfare® 4 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. Call of Duty®: Modern Warfare® 2 (2009) (2009) is 17 years older than Call of Duty®: Modern Warfare® 4 (2026). Call of Duty®: Modern Warfare® 2 (2009) is currently ~71% cheaper on Steam than Call of Duty®: Modern Warfare® 4 (19.99 USD vs. 69.99 USD). 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 Call of Duty®: Modern Warfare® 2 (2009)

Choose Call of Duty®: Modern Warfare® 2 (2009) if you want the Valve Anti-Cheat enabled side of the pairing. On Steam, it's currently about 71% cheaper on the Steam Store. 4,275 Steam reviews back the pick.

Choose Call of Duty®: Modern Warfare® 4

Choose Call of Duty®: Modern Warfare® 4 if you want the Online PvP, Online Co-op, and PvP side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. Call of Duty®: Modern Warfare® 4 launched in 2026.

Both Call of Duty®: Modern Warfare® 2 (2009) and Call of Duty®: Modern Warfare® 4 sit in Action on Steam and both list Multi-player and Co-op, 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

Call of Duty®: Modern Warfare® 2 (2009) vs Call of Duty®: Modern Warfare® 4 — Steam metadata comparison
Call of Duty®: Modern Warfare® 2 (2009) — Steam game coverCall of Duty®: Modern Warfare® 2 (2009)Call of Duty®: Modern Warfare® 4 — Steam game coverCall of Duty®: Modern Warfare® 4
Released20092026
GenresActionAction
PlatformsWindows, macOSWindows
Steam DeckDeck PlayableUnrated
Price19.99 USD69.99 USD
Steam reviews89.9% positive (4,275 reviews)—
MultiplayerMulti-player, Co-opMulti-player, Cross-Platform Multiplayer, Online Co-op
DevelopersInfinity WardInfinity Ward, Beenox, Digital Legends, Activision Shanghai, Raven Software, Treyarch, Sledgehammer Games, High Moon Studios

Side by side

Call of Duty®: Modern Warfare® 2 (2009) vs Call of Duty®: Modern Warfare® 4 — FAQ

Should I play Call of Duty®: Modern Warfare® 2 (2009) or Call of Duty®: Modern Warfare® 4 first?
If you want chronology, Call of Duty®: Modern Warfare® 2 (2009) (2009) came out before Call of Duty®: Modern Warfare® 4 (2026). 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 Call of Duty®: Modern Warfare® 2 (2009) and Call of Duty®: Modern Warfare® 4 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.
Do both Call of Duty®: Modern Warfare® 2 (2009) and Call of Duty®: Modern Warfare® 4 have co-op?
Yes — both list a co-op category on Steam. Specifics differ: Call of Duty®: Modern Warfare® 2 (2009) ships Co-op; Call of Duty®: Modern Warfare® 4 ships Online Co-op, Co-op.
Does Call of Duty®: Modern Warfare® 2 (2009) run on Steam Deck?
Yes — Call of Duty®: Modern Warfare® 2 (2009) is rated Deck Playable by Valve. Call of Duty®: Modern Warfare® 4 doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Call of Duty®: Modern Warfare® 2 (2009) vs Call of Duty®: Modern Warfare® 4 · imho.run