IMHO.

Infernax vs Nightmare Simulator

Infernax and Nightmare Simulator 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. Nightmare Simulator (2018) is 4 years older than Infernax (2022). Nightmare Simulator is currently ~85% cheaper on Steam than Infernax (2.99 USD vs. 19.99 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 Infernax

Choose Infernax if you want the Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op side of the pairing. On Steam, it's the newer release (2022) and ships with the modern feature baseline. 1,056 Steam reviews back the pick.

Choose Nightmare Simulator

Choose Nightmare Simulator if it's currently about 85% cheaper on the Steam Store. Nightmare Simulator launched in 2018.

Both Infernax and Nightmare Simulator sit in Action, 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

Infernax vs Nightmare Simulator — Steam metadata comparison
Infernax — Steam game coverInfernaxNightmare Simulator — Steam game coverNightmare Simulator
Released20222018
GenresAction, Indie, Adventure, RPGAction, Indie, Adventure, RPG
PlatformsWindowsWindows
Steam DeckDeck VerifiedUnrated
Price19.99 USD2.99 USD
Steam reviews93.8% positive (1,056 reviews)1 reviews
MultiplayerMulti-player, Shared/Split Screen Co-op, Co-opSingle-player only
DevelopersBerzerk StudioINDIEPLAY

Side by side

Infernax vs Nightmare Simulator — FAQ

Should I play Infernax or Nightmare Simulator first?
If you want chronology, Nightmare Simulator (2018) came out before Infernax (2022). 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 Infernax and Nightmare Simulator 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.
Does Nightmare Simulator have multiplayer like Infernax?
No. Infernax supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Nightmare Simulator is listed as single-player only.
Does Infernax run on Steam Deck?
Yes — Infernax is rated Deck Verified by Valve. Nightmare Simulator doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.
Infernax vs Nightmare Simulator — Verdict (2026) · imho.run