Nuumonsters

Retro creature-collecting RPG where defeating elite trainers opens new areas

Yanako RPGs · Released Feb 18, 2026

Reviews: Mixed; 52% of 58
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 8 months ago; Feb 24, 2026
Minimum PC: HD; 2 GB RAM · 0.2 GB disk; Full requirements

What is Nuumonsters?

Nuumonsters is a single-player RPG set along the routes and towns of the Hana region. You collect and level up more than seventy monsters, assemble a team, and choose moves in turn-based battles against other trainers.

For you if...

+you like experimenting with monster teams and move combinations

Not for you if...

−you want a long campaign with a developed story

What players say

52% of 58 reviews are positive

Players praise the cute art and resemblance to early Pokémon games. Recent reviews of the remake repeatedly criticize bugs and lack of polish, citing mismatched move information, broken achievements, and problems with NPC interactions and progression.

Screenshots and trailer

Nuumonsters system requirements

Minimum: HD, 2 GB RAM, 0.2 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7+
Processor: Dual core processor
Graphics: Intel HD Graphics
Memory: 2 GB RAM
Storage: 200 MB available space

Does Nuumonsters have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Nuumonsters run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 20
Steam features: Cloud saves, Family Sharing
Languages: Text only: English.

Does Nuumonsters use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 28, 2026. How to filter AI games on Steam