Choose Flat Heroes
Choose Flat Heroes if it matches what drew you to this matchup. Flat Heroes launched in 2016.
Flat Heroes vs CD-RUN
Flat Heroes and CD-RUN both land in Action, Indie 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 share Action, Indie on Steam. Flat Heroes (2016) is 3 years older than CD-RUN (2019). Flat Heroes scores higher on Steam reviews (94.8% positive) than CD-RUN (92.3% 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 CD-RUN
Choose CD-RUN if you want a Racing experience. On Steam, it's the newer release (2019) and ships with the modern feature baseline. CD-RUN launched in 2019.
Both Flat Heroes and CD-RUN sit in Action and Indie on Steam and both list Multi-player, Shared/Split Screen, and Steam Leaderboards, 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
 Flat Heroes |  CD-RUN | |
|---|---|---|
| Released | 2016 | 2019 |
| Genres | Action, Indie | Action, Indie, Racing |
| Platforms | Windows, macOS, Linux | Windows, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 9.99 USD | 9.99 USD |
| Steam reviews | 94.8% positive (115 reviews) | 92.3% positive (13 reviews) |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Parallel Circles | Quack Quack Games |
Side by side
- Both share Action, Indie on Steam.
- Flat Heroes (2016) is 3 years older than CD-RUN (2019).
- Flat Heroes scores higher on Steam reviews (94.8% positive) than CD-RUN (92.3% positive).
- CD-RUN is currently ~0% cheaper on Steam than Flat Heroes (9.99 USD vs. 9.99 USD).
- Both support cooperative play.
- Flat Heroes is Deck Playable on Steam Deck; CD-RUN has no Deck rating yet.
Flat Heroes vs CD-RUN — FAQ
- Should I play Flat Heroes or CD-RUN first?
- If you want chronology, Flat Heroes (2016) came out before CD-RUN (2019). 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 Flat Heroes and CD-RUN similar?
- They overlap on Action, Indie 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.
- Do both Flat Heroes and CD-RUN have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Flat Heroes ships Shared/Split Screen Co-op, Co-op; CD-RUN ships Shared/Split Screen Co-op, Co-op.
- Does Flat Heroes run on Steam Deck?
- Yes — Flat Heroes is rated Deck Playable by Valve. CD-RUN doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.