Choose INSIDE
Choose INSIDE if you want an Action game with Color Alternatives, Stereo Sound, and Playable without Timed Input. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 23,692 Steam reviews back the pick.
INSIDE vs Knightmare
INSIDE and Knightmare both land in Indie, Adventure 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 Indie, Adventure on Steam. INSIDE (2016) is 4 years older than Knightmare (2020). Knightmare is currently ~96% cheaper on Steam than INSIDE (0.99 USD vs. 24.99 USD). 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 Knightmare
Choose Knightmare if you want a Strategy experience. On Steam, it's currently about 96% cheaper on the Steam Store. Knightmare launched in 2020.
Both INSIDE and Knightmare sit in Indie and Adventure 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
 INSIDE |  Knightmare | |
|---|---|---|
| Released | 2016 | 2020 |
| Genres | Action, Indie, Adventure | Strategy, Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 24.99 USD | 0.99 USD |
| Steam reviews | 96.3% positive (23,692 reviews) | 1 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Playdead | Hagertech |
Side by side
- Both share Indie, Adventure on Steam.
- INSIDE (2016) is 4 years older than Knightmare (2020).
- Knightmare is currently ~96% cheaper on Steam than INSIDE (0.99 USD vs. 24.99 USD).
- INSIDE is Deck Verified on Steam Deck; Knightmare has no Deck rating yet.
INSIDE vs Knightmare — FAQ
- Should I play INSIDE or Knightmare first?
- If you want chronology, INSIDE (2016) came out before Knightmare (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 INSIDE and Knightmare similar?
- They overlap on Indie, Adventure 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 INSIDE run on Steam Deck?
- Yes — INSIDE is rated Deck Verified by Valve. Knightmare doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.