Choose Call of Duty® (2003)
Choose Call of Duty® (2003) if it matches what drew you to this matchup. 3,475 Steam reviews back the pick.
Call of Duty® (2003) vs Call of Duty® 4: Modern Warfare® (2007)
Call of Duty® (2003) and Call of Duty® 4: Modern Warfare® (2007) 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® (2003) (2006) is 1 year older than Call of Duty® 4: Modern Warfare® (2007) (2007). Call of Duty® (2003) scores higher on Steam reviews (94.3% positive) than Call of Duty® 4: Modern Warfare® (2007) (92.4% 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 Call of Duty® 4: Modern Warfare® (2007)
Choose Call of Duty® 4: Modern Warfare® (2007) if it matches what drew you to this matchup. 10,776 Steam reviews back the pick.
Both Call of Duty® (2003) and Call of Duty® 4: Modern Warfare® (2007) sit in Action on Steam and both list Multi-player, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (94.3% vs 92.4% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Call of Duty® (2003) |  Call of Duty® 4: Modern Warfare® (2007) | |
|---|---|---|
| Released | 2006 | 2007 |
| Genres | Action | Action |
| Platforms | Windows | Windows, macOS |
| Steam Deck | Deck Playable | Deck Unsupported |
| Price | 19.99 USD | 19.99 USD |
| Steam reviews | 94.3% positive (3,475 reviews) | 92.4% positive (10,776 reviews) |
| Multiplayer | Multi-player | Multi-player |
| Developers | Infinity Ward | Infinity Ward |
Side by side
- Both are Action games on Steam.
- Call of Duty® (2003) (2006) is 1 year older than Call of Duty® 4: Modern Warfare® (2007) (2007).
- Call of Duty® (2003) scores higher on Steam reviews (94.3% positive) than Call of Duty® 4: Modern Warfare® (2007) (92.4% positive).
- Call of Duty® 4: Modern Warfare® (2007) is currently ~0% cheaper on Steam than Call of Duty® (2003) (19.99 USD vs. 19.99 USD).
- Steam Deck: Call of Duty® (2003) is Deck Playable, Call of Duty® 4: Modern Warfare® (2007) is Deck Unsupported.
Call of Duty® (2003) vs Call of Duty® 4: Modern Warfare® (2007) — FAQ
- Which is better, Call of Duty® (2003) or Call of Duty® 4: Modern Warfare® (2007)?
- On Steam reviews the two are nearly tied: Call of Duty® (2003) sits at 94.3% positive (3,475 reviews), Call of Duty® 4: Modern Warfare® (2007) at 92.4% (10,776). The choice usually comes down to genre fit and the platform features each one supports — see the comparison table above.
- Should I play Call of Duty® (2003) or Call of Duty® 4: Modern Warfare® (2007) first?
- If you want chronology, Call of Duty® (2003) (2006) came out before Call of Duty® 4: Modern Warfare® (2007) (2007). 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® (2003) and Call of Duty® 4: Modern Warfare® (2007) 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.