Choose SCP
Choose SCP if you want an Adventure, RPG, and Free To Play game with Multi-player, Steam Leaderboards, and Online Co-op. On Steam, it's free to play, so the barrier to trying it is zero.
SCP vs DIOXIDE
SCP and DIOXIDE 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. SCP is free; DIOXIDE is paid (Price unknown). SCP has co-op; DIOXIDE does not. 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 DIOXIDE
Choose DIOXIDE if you want the Steam Input API Support side of the pairing. On Steam, it's a focused single-player run rather than a multiplayer commitment.
Both SCP and DIOXIDE sit in Action and Indie on Steam and both list DualShock Controller Support and DualSense Controller Support, 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
 SCP |  DIOXIDE | |
|---|---|---|
| Released | — | — |
| Genres | Action, Indie, Adventure, RPG, Free To Play, Casual | Action, Indie |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Free to play | Price unknown |
| Steam reviews | — | — |
| Multiplayer | Multi-player, Online Co-op, LAN Co-op | Single-player only |
| Developers | DHOLE. | Byte Barrel |
Side by side
- Both share Action, Indie on Steam.
- SCP is free; DIOXIDE is paid (Price unknown).
- SCP has co-op; DIOXIDE does not.
SCP vs DIOXIDE — FAQ
- Are SCP and DIOXIDE 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.
- Does DIOXIDE have multiplayer like SCP?
- No. SCP supports multiplayer on Steam (Multi-player, Online Co-op, LAN Co-op), while DIOXIDE is listed as single-player only.
- Is SCP free?
- Yes — SCP is a free-to-play Steam title. DIOXIDE is paid (Price unknown).