Choose The Sum of All Fears
Choose The Sum of All Fears if you want the Multi-player side of the pairing. On Steam, it's currently about 80% cheaper on the Steam Store. The Sum of All Fears launched in 2008.
The Sum of All Fears vs Tom Clancy's Rainbow Six® 3 Gold
The Sum of All Fears and Tom Clancy's Rainbow Six® 3 Gold 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. Both released in 2008. Tom Clancy's Rainbow Six® 3 Gold scores higher on Steam reviews (91.7% positive) than The Sum of All Fears (76.5% 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 Tom Clancy's Rainbow Six® 3 Gold
Choose Tom Clancy's Rainbow Six® 3 Gold if it's a focused single-player run rather than a multiplayer commitment. 1,275 Steam reviews back the pick.
Both The Sum of All Fears and Tom Clancy's Rainbow Six® 3 Gold sit in Action on Steam, 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
 The Sum of All Fears |  Tom Clancy's Rainbow Six® 3 Gold | |
|---|---|---|
| Released | 2008 | 2008 |
| Genres | Action | Action |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Deck Playable |
| Price | 1.99 USD | 9.99 USD |
| Steam reviews | 76.5% positive (51 reviews) | 91.7% positive (1,275 reviews) |
| Multiplayer | Multi-player | Single-player only |
| Developers | Red Storm Entertainment | Red Storm Entertainment, Ubisoft Montreal |
Side by side
- Both are Action games on Steam.
- Both released in 2008.
- Tom Clancy's Rainbow Six® 3 Gold scores higher on Steam reviews (91.7% positive) than The Sum of All Fears (76.5% positive).
- The Sum of All Fears is currently ~80% cheaper on Steam than Tom Clancy's Rainbow Six® 3 Gold (1.99 USD vs. 9.99 USD).
- Steam Deck: The Sum of All Fears is Deck Unsupported, Tom Clancy's Rainbow Six® 3 Gold is Deck Playable.
The Sum of All Fears vs Tom Clancy's Rainbow Six® 3 Gold — FAQ
- Are The Sum of All Fears and Tom Clancy's Rainbow Six® 3 Gold 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.
- Does Tom Clancy's Rainbow Six® 3 Gold have multiplayer like The Sum of All Fears?
- No. The Sum of All Fears supports multiplayer on Steam (Multi-player), while Tom Clancy's Rainbow Six® 3 Gold is listed as single-player only.