Call of Duty: United Offensive vs Day of Defeat: Source
Side-by-side comparison of features, pricing, ratings, and alternatives.
Call of Duty: United Offensive is an expansion pack that adds new single‑player missions, a robust multiplayer suite, and fresh weapons set during World War II. Developed by Gray Matter Interactive, it builds on the acclaimed original with tighter controls and more immersive battlefields. The expansion brings three new campaigns—North Africa, the Pacific, and the Eastern Front—plus additional multiplayer maps and modes, delivering a deeper historical shooter experience for PC and Mac gamers.
Day of Defeat: Source drops players into the gritty battlefields of Europe during World War II, offering fast‑paced, class‑based combat. Leveraging Valve's Source engine, the game delivers enhanced graphics, realistic sound design, and smooth multiplayer performance across PC, Mac, and Linux.
- Adds substantial new content to the original game
- Authentic WWII weapons and settings
- Robust multiplayer with dedicated server support
- Co‑op campaign mode enhances replayability
- Highly detailed WWII atmosphere
- Robust class system with distinct roles
- Smooth multiplayer performance on multiple OSes
- Strong community and mod support
- Graphics are dated by modern standards
- Limited to PC and Mac, no console versions
- Multiplayer balance issues on some maps
- Limited single‑player content
- Older graphics compared to modern shooters
- Steep learning curve for new players
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The Verdict
AI-generated from listing dataDay of Defeat: Source offers tighter class‑based multiplayer on a modern engine at half the price, while United Offensive adds single‑player campaigns and more maps but costs twice as much.
Key differences
- •Day of Defeat: Source focuses on multiplayer class combat only; United Offensive adds three single‑player campaigns and co‑op.
- •United Offensive includes over 20 new multiplayer maps; Day of Defeat provides fewer maps but emphasizes balanced class roles.
- •Price: Day of Defeat $9.99 vs United Offensive $19.99.
- •Engine/graphics: Day of Defeat uses the Source engine with higher‑resolution textures; United Offensive’s graphics are older.
- •Platform support: Both run on PC and Mac, but Day of Defeat also supports Linux.
Gameplay & fun factor
United Offensive adds three single‑player campaigns and co‑op, expanding play modes beyond Day of Defeat's multiplayer‑only focus.
Platform availability
Day of Defeat runs on Linux, Mac, and Windows; United Offensive only on PC and Mac.
Price & value
Day of Defeat costs $9.99, half the price of United Offensive’s $19.99.
Multiplayer / co‑op
United Offensive offers 20+ multiplayer maps and dedicated server support plus 4‑player co‑op; Day of Defeat has fewer maps and no co‑op.
Content & replayability
United Offensive’s extra campaigns, maps, and mod tools give more long‑term content than Day of Defeat’s limited single‑player.
Difficulty & accessibility
Day of Defeat notes a steep learning curve, but United Offensive’s difficulty not specified; thus Day of Defeat is less accessible.
Graphics & performance
Day of Defeat uses the Source engine with high‑resolution textures and dynamic lighting; United Offensive’s graphics are dated.
Choose Call of Duty: United Offensive if…
Buy United Offensive if you want campaigns, co‑op, and more multiplayer maps.
Choose Day of Defeat: Source if…
Buy Day of Defeat if you want low‑cost, Linux‑compatible, class‑based multiplayer.
Common questions
Which game offers single‑player content?
United Offensive includes three new single‑player campaigns; Day of Defeat has limited single‑player content.
Is there a cheaper option?
Day of Defeat costs $9.99, while United Offensive costs $19.99.
Can I play on Linux?
Day of Defeat supports Linux; United Offensive does not.