Blue Protocol: Star Resonance is an anime MMORPG with cel-shaded visuals that genuinely stand out, built around class-based combat and co-op boss encounters with accessible group mechanics. The presentation is strong. The history is less reassuring: the game was cancelled in Japan under its original name before relaunching globally as Star Resonance, and early player reception raised flags around content depth and optimization. Those are real concerns for a game you're investing time in. It can still be worth sampling if anime MMO aesthetics are a priority for you, but go in expecting the uncertain road of a game still finding its footing. Don't put this above a more established option.

Overview
About Blue Protocol: Star Resonance
Blue Protocol: Star Resonance expands the Blue Protocol universe with a vibrant MMORPG experience. Create your own hero, team up for strategic raids, or simply relax and have fun with friends fishing, crafting, and endless exploration. Adventure awaits!
Story setup
In the fantasy realm of Regnus, the once-stable cycle of star-essence that sustains all life has fractured, unleashing rampant disasters and environmental decay across the land. The supreme deity race abandoned their polluted world, leaving mortals to shoulder the burden of survival and restoration. Players awaken as rare Resonators, gifted with the unique ability to attune to, and answer the call to gather scattered star-essence fragments, forge alliances, and uncover the ancient secrets necessary to repair the cosmic cycle.
Their journey carries them through lush forests, scorching deserts, crystalline ruins, and even toward the legendary Sky City, as they tackle dungeons such as Rocksong Temple and Shattered Sand Sea to activate star-sigil mechanisms and reclaim lost fragments. Along the way, they clash with a shadowy Dark Cult intent on resurrecting a fallen god to reshape Regnus under a new, oppressive order. The saga culminates at the Void Gate, where all Resonators must unite their powers to confront the Abyssal King, reignite the central star-essence core, and restore cosmic harmony.
Reference
At a glance
- Released
- July 17, 2025
- Platforms
- PC, iOS, Android
- Genres
- RPG, Adventure, Action, MMORPG
- Play modes
- Single Player, Multiplayer, Co-op, Online Multiplayer, MMO
- Age rating
- ESRB T
- Time to beat
- 2 hours
- Multiplayer
- By platform
Media
Screenshots
Click any screenshot to view it full size.
Playtime
How long to beat
Player-reported completion times for Blue Protocol: Star Resonance.
- Typical
- 2hoursStory plus some extras
Playing together
Multiplayer by platform
How Blue Protocol: Star Resonance supports playing with other people, broken down per platform.
| Platform | Local | Online | LAN | Split-screen | Co-op campaign | Drop-in/out |
|---|---|---|---|---|---|---|
| PC | No | Yes, up to 120 players | No | No | No | No |
- Supported (a number is the player cap)
- Not supported
- Not documented for this platform
Content
Age ratings
How rating boards around the world have classified Blue Protocol: Star Resonance. Open a board for its content descriptors.
CEROB
ESRBT
- Violence
GRAC12+
PEGI12
Also in our guides
Often listed alongside Blue Protocol: Star Resonance
Titles that appear in the same guides on this site. Grouped by where they show up, not by recommendation.
Coverage
Featured in our articles
This game appears in 1 article on this site.
#14
Game data and imagery provided by IGDB.com
