Choose FlatOut: Ultimate Carnage Collector's Edition
Choose FlatOut: Ultimate Carnage Collector's Edition if it carries the stronger Steam consensus at 87.8% positive across 2,051 reviews.
FlatOut: Ultimate Carnage Collector's Edition vs Post Apocalyptic Mayhem
FlatOut: Ultimate Carnage Collector's Edition and Post Apocalyptic Mayhem both land in Racing 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 Racing games on Steam. FlatOut: Ultimate Carnage Collector's Edition (2008) is 3 years older than Post Apocalyptic Mayhem (2011). FlatOut: Ultimate Carnage Collector's Edition scores higher on Steam reviews (87.8% positive) than Post Apocalyptic Mayhem (84.1% 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 Post Apocalyptic Mayhem
Choose Post Apocalyptic Mayhem if you want an Action game with Multi-player and Steam Leaderboards. On Steam, it's the newer release (2011) and ships with the modern feature baseline. Post Apocalyptic Mayhem launched in 2011.
Both FlatOut: Ultimate Carnage Collector's Edition and Post Apocalyptic Mayhem sit in Racing 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
 FlatOut: Ultimate Carnage Collector's Edition |  Post Apocalyptic Mayhem | |
|---|---|---|
| Released | 2008 | 2011 |
| Genres | Racing | Action, Racing |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 9.99 USD | 9.99 USD |
| Steam reviews | 87.8% positive (2,051 reviews) | 84.1% positive (320 reviews) |
| Multiplayer | Single-player only | Multi-player |
| Developers | Bugbear Entertainment, ZOOM Platform Media, Jordan Freeman Group | Steel Monkeys |
Side by side
- Both are Racing games on Steam.
- FlatOut: Ultimate Carnage Collector's Edition (2008) is 3 years older than Post Apocalyptic Mayhem (2011).
- FlatOut: Ultimate Carnage Collector's Edition scores higher on Steam reviews (87.8% positive) than Post Apocalyptic Mayhem (84.1% positive).
- Post Apocalyptic Mayhem is currently ~0% cheaper on Steam than FlatOut: Ultimate Carnage Collector's Edition (9.99 USD vs. 9.99 USD).
- FlatOut: Ultimate Carnage Collector's Edition is Deck Verified on Steam Deck; Post Apocalyptic Mayhem has no Deck rating yet.
FlatOut: Ultimate Carnage Collector's Edition vs Post Apocalyptic Mayhem — FAQ
- Which is better, FlatOut: Ultimate Carnage Collector's Edition or Post Apocalyptic Mayhem?
- On Steam reviews FlatOut: Ultimate Carnage Collector's Edition scores higher (87.8% positive) than Post Apocalyptic Mayhem (84.1% positive). Both have enough reviews to trust the signal, so for players using reviews alone, FlatOut: Ultimate Carnage Collector's Edition is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play FlatOut: Ultimate Carnage Collector's Edition or Post Apocalyptic Mayhem first?
- If you want chronology, FlatOut: Ultimate Carnage Collector's Edition (2008) came out before Post Apocalyptic Mayhem (2011). 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 FlatOut: Ultimate Carnage Collector's Edition and Post Apocalyptic Mayhem similar?
- They overlap on Racing 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 FlatOut: Ultimate Carnage Collector's Edition have multiplayer like Post Apocalyptic Mayhem?
- No. Post Apocalyptic Mayhem supports multiplayer on Steam (Multi-player), while FlatOut: Ultimate Carnage Collector's Edition is listed as single-player only.
- Does FlatOut: Ultimate Carnage Collector's Edition run on Steam Deck?
- Yes — FlatOut: Ultimate Carnage Collector's Edition is rated Deck Verified by Valve. Post Apocalyptic Mayhem doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.