Choose DOOM II
Choose DOOM II if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen PvP side of the pairing. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 5,339 Steam reviews back the pick.
DOOM II vs Cathedral 3-D
DOOM II and Cathedral 3-D 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. DOOM II (2007) is 13 years older than Cathedral 3-D (2020). DOOM II scores higher on Steam reviews (95.3% positive) than Cathedral 3-D (56.5% 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 Cathedral 3-D
Choose Cathedral 3-D if you want an Indie game with Steam Leaderboards. On Steam, it's free to play, so the barrier to trying it is zero. Cathedral 3-D launched in 2020.
Both DOOM II and Cathedral 3-D 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
 DOOM II |  Cathedral 3-D | |
|---|---|---|
| Released | 2007 | 2020 |
| Genres | Action | Action, Indie |
| Platforms | Windows | Windows, macOS, Linux |
| Steam Deck | Deck Verified | Unrated |
| Price | Price unknown | Free to play |
| Steam reviews | 95.3% positive (5,339 reviews) | 56.5% positive (69 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Single-player only |
| Developers | id Software | Unfinished Games |
Side by side
- Both are Action games on Steam.
- DOOM II (2007) is 13 years older than Cathedral 3-D (2020).
- DOOM II scores higher on Steam reviews (95.3% positive) than Cathedral 3-D (56.5% positive).
- Cathedral 3-D is free; DOOM II is paid (Price unknown).
- DOOM II has co-op; Cathedral 3-D does not.
- DOOM II is Deck Verified on Steam Deck; Cathedral 3-D has no Deck rating yet.
DOOM II vs Cathedral 3-D — FAQ
- Should I play DOOM II or Cathedral 3-D first?
- If you want chronology, DOOM II (2007) came out before Cathedral 3-D (2020). 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 DOOM II and Cathedral 3-D 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 Cathedral 3-D have multiplayer like DOOM II?
- No. DOOM II supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Cathedral 3-D is listed as single-player only.
- Is Cathedral 3-D free?
- Yes — Cathedral 3-D is a free-to-play Steam title. DOOM II is paid (Price unknown).
- Does DOOM II run on Steam Deck?
- Yes — DOOM II is rated Deck Verified by Valve. Cathedral 3-D doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.