Are That One Otter Game and Nachtmahr similar?

They overlap on 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 Nachtmahr have multiplayer like That One Otter Game?

No. That One Otter Game supports multiplayer on Steam (Multi-player, Shared/Split Screen Co-op, Co-op), while Nachtmahr is listed as single-player only.

Is That One Otter Game free?

Yes — That One Otter Game is a free-to-play Steam title. Nachtmahr is paid (14.99 USD).

That One Otter Game vs Nachtmahr

That One Otter Game and Nachtmahr both land in 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 are Adventure games on Steam. Both released in 2025. That One Otter Game is free; Nachtmahr is paid (14.99 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 That One Otter Game

Choose That One Otter Game if you want a Free To Play game with Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op. On Steam, it's free to play, so the barrier to trying it is zero. That One Otter Game launched in 2025.

Choose Nachtmahr

Choose Nachtmahr if you want an Indie and Casual game with HDR available, Camera Comfort, and Stereo Sound. On Steam, it's a focused single-player run rather than a multiplayer commitment. Nachtmahr launched in 2025.

Both That One Otter Game and Nachtmahr sit in Adventure on Steam and both list Color Alternatives and Custom Volume Controls, 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.

That One Otter Game vs Nachtmahr — Steam metadata comparison
	That One Otter Game	Nachtmahr
Released	2025	2025
Genres	Adventure, Free To Play	Indie, Adventure, Casual
Platforms	Windows	Windows
Steam Deck	Deck Unsupported	Unrated
Price	Free to play	14.99 USD
Steam reviews	89.4% positive (527 reviews)	8 reviews
Multiplayer	Multi-player, Shared/Split Screen Co-op, Co-op	Single-player only
Developers	Crayon Coded	Mangy Goblin Games, LLC

Side by side

Both are Adventure games on Steam.
Both released in 2025.
That One Otter Game is free; Nachtmahr is paid (14.99 USD).
That One Otter Game has co-op; Nachtmahr does not.
That One Otter Game is Deck Unsupported on Steam Deck; Nachtmahr has no Deck rating yet.