Should I play SCP – Containment Breach or ONTOS first?

If you want chronology, SCP – Containment Breach (2026) came out before ONTOS (2027). 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 SCP – Containment Breach and ONTOS similar?

They overlap on Action, 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.

Is SCP – Containment Breach free?

Yes — SCP – Containment Breach is a free-to-play Steam title. ONTOS is paid (Price unknown).

Does SCP – Containment Breach run on Steam Deck?

Yes — SCP – Containment Breach is rated Deck Playable by Valve. ONTOS doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.

SCP – Containment Breach vs ONTOS

SCP – Containment Breach and ONTOS both land in Action, 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 Action, Indie, Adventure on Steam. SCP – Containment Breach (2026) is 1 year older than ONTOS (2027). SCP – Containment Breach is free; ONTOS is paid (Price unknown). 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 SCP – Containment Breach

Choose SCP – Containment Breach if you want the Color Alternatives, Camera Comfort, and Custom Volume Controls side of the pairing. On Steam, it's free to play, so the barrier to trying it is zero. SCP – Containment Breach launched in 2026.

Choose ONTOS

Choose ONTOS if you want the DualShock Controller Support and HDR available side of the pairing. ONTOS launched in 2027.

Both SCP – Containment Breach and ONTOS sit in Action, Indie, and Adventure on Steam and both list Stereo Sound, Playable without Timed Input, and Adjustable Difficulty, 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.

SCP – Containment Breach vs ONTOS — Steam metadata comparison
	SCP – Containment Breach	ONTOS
Released	2026	2027
Genres	Action, Indie, Adventure	Action, Indie, Adventure
Platforms	Windows	Windows
Steam Deck	Deck Playable	Unrated
Price	Free to play	Price unknown
Steam reviews	98.8% positive (590 reviews)	—
Multiplayer	Single-player only	Single-player only
Developers	Undertow Games, Third Subdivision Studios, SCP-CB Community Preservation Project	Frictional Games

Side by side

Both share Action, Indie, Adventure on Steam.
SCP – Containment Breach (2026) is 1 year older than ONTOS (2027).
SCP – Containment Breach is free; ONTOS is paid (Price unknown).
SCP – Containment Breach is Deck Playable on Steam Deck; ONTOS has no Deck rating yet.