RIOO overview

Project Ground Zero | Aug 20, 2024 | game

Released

0players observed · 22 September 2026 - 14:33:57 UTC

Adventure Casual Indie Steam Store

Latest observed playersNot available
SteamPulse tracked peak4
Units sold (VGI)No data available
Revenue (VGI)No data available
Review score82% positive

RIOO dated player observations, monthly player trends, reviews, and game metadata are tracked on SteamPulse.

Latest observed playersNot available
SteamPulse tracked peak4
Units sold (VGI)No data available
Revenue (VGI)No data available
Review score82% positive
Total reviews11
Release dateAug 20, 2024
DeveloperProject Ground Zero
PublisherProject Ground Zero

Genres: Adventure, Casual, Indie

Company pages: Developer: Project Ground Zero Publisher: Project Ground Zero

Top Steam charts Top 100 games Game directory Steam Store page

Game overview

Overview

RIOO comes from Project Ground Zero and is published by Project Ground Zero. It arrived on Steam on Aug 20, 2024, and it sits naturally among Single-player, Steam Achievements, and Family Sharing. SteamPulse tracks it across Windows and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

RIOO's latest SteamPulse observation recorded 0 players at 22 September 2026 - 14:33:57 UTC, with a tracked peak near 4. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 82% positive across 11 reviews.

Language and system requirements

RIOO is available in 4 languages including:

EnglishSimplified ChineseTraditional ChineseJapanese

3 regional rating boards including dejus, steam germany, and igrs

Platform	Type	OS	Processor	Memory	Graphics	Storage
Windows	Minimum	Not listed	Dual Core+	2 GB RAM	1 GB RAM	1 GB available space
Windows	Recommended	Not listed	Not listed	Not listed	Not listed	Not listed

Sales, recommendations, and streams

RIOO has no public VGI unit-sales estimate available and has recommendation data pending. Revenue data is not available for this game yet. On Twitch, 0 streamers are live with around 0 total watchers.

Detailed game overview

RIOO overview details

RIOO combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

Fight against incoming monsters with other braves from other worlds! Find a way to kill your way through the slimes, evil wolves, and skeleton soldiers to find a way back to the original world! Game Features: Fast-paced survivor game 4 different anime style characters to choose from! Up to six weapons to equip, find the best combination to match and blow up all the monsters! High-pressure survival rhythm, every choice you make may affect your strategy against the next wave of enemies.

SteamPulse editorial summary

RIOO is listed as a game with $0.99. It supports Windows, belongs to Single-player, Steam Achievements, and Family Sharing, and is associated with Adventure, Casual, and Indie. SteamPulse's latest observation records 0 players at 22 September 2026 - 14:33:57 UTC, a tracked peak of 4, and 82% positive reviews.

Overview facts

Field	Value
Game	RIOO
Steam App ID	3061550
Type	game
Release date	Aug 20, 2024
Developer	Project Ground Zero
Publisher	Project Ground Zero
Price	$0.99
Platforms	Windows
Genres	Adventure, Casual, Indie
Categories	Single-player, Steam Achievements, Family Sharing
Supported languages	English, Simplified Chinese, Traditional Chinese, Japanese
Website	Not available

Player and review overview

Metric	Value
Latest observed players	0 · 22 September 2026 - 14:33:57 UTC
SteamPulse tracked peak	4
Positive reviews	9
Negative reviews	2
Total reviews	11
Positive percent	82%
Review type	Positive
Recommendations	Not available
Average playtime	117 minutes

SteamPulse record freshness

Field	Value
Steam release date	Aug 20, 2024
Official Steam feed update (UTC)	10 September 2024 - 08:02:15 UTC
SteamPulse last record update (UTC)	22 September 2026 - 14:33:57 UTC
Live player count updated (UTC)	22 September 2026 - 14:33:57 UTC
Store metadata updated (UTC)	22 September 2026 - 14:33:57 UTC

Highlighted achievements

Achievement	Description
Not a normal Slime	No description
Trust me	No description
Pink Ponytail Triple Speed	No description
Rush B	No description
There's no Python. There's no Holy Grail.	No description
The Call of the Goddess Aqua	No description

Support and legal notes

Field	Value
Support email	[email protected]
Support URL	Not available
Legal notice	Not available

References

Official and third-party reference links for checking this Steam app outside SteamPulse.

Reference	Link
SteamPulse canonical	https://steampulse.org/game/3061550
Steam Store	https://store.steampowered.com/app/3061550/
Steam Community	https://steamcommunity.com/app/3061550
PCGamingWiki search
IGDB search	Search IGDB for RIOO

Game FAQ

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.

What is the latest observed Steam activity for RIOO?

RIOO's latest SteamPulse observation records 0 players at 22 September 2026 - 14:33:57 UTC, with a tracked peak of 4 concurrent players in the available SteamPulse record. SteamPulse also records about 2 hours of average lifetime playtime.

Is RIOO growing or declining recently?

September 2026 is still in progress. The month-to-date average is 0 players; the highest observed daily value is 0 players. Available values are provisional and will continue changing until the UTC month closes. The completed comparison month is August 2026.

What country-level audience data is available for RIOO?

In the observed sample of public reviewer profiles with a visible country, the leading shares are Netherlands (33.3%), United States (33.3%), Japan (33.3%). The separate directional player-region model assigns its leading shares to United States (24.6%), Japan (19.9%), Netherlands (17.3%). The directional follower-region model assigns its leading shares to United States (28.4%), Japan (22.3%), Netherlands (20.1%). The directional wishlist-region model assigns its leading shares to United States (23.4%), Japan (15.8%), Netherlands (13.7%). Only the reviewer view is based on observed public profile countries; the other percentages are modeled relative weights, not verified account locations or country-level user counts.

What does the Steam review footprint look like for RIOO?

RIOO currently sits at 82% positive across 11 Steam reviews tracked by SteamPulse, including 9 positive reviews and 2 negative reviews. Steam labels the current review summary as Positive.

How much follower and Twitch attention does RIOO have?

RIOO currently has about 94 tracked Steam followers as of 11 January 2026 - 00:00:00 UTC. On Twitch, SteamPulse is matching roughly 0 live viewers across 0 active streams for the game's category.

What is the current Steam price for RIOO?

RIOO is currently listed at $0.99 on Steam. SteamPulse uses the current store snapshot and historical price records to show whether the page is at full price or in a discounted window.

Reviews, pricing, and metadata

Review summary

Positive

82% positive, 9 positive, 2 negative

Price and discount

$0.99

Platforms

Windows

Categories

Single-player, Steam Achievements, Family Sharing

Achievements

Platform releases

Steam 20 August 2024

DLC and packages

RIOOBuy RIOO #1088046$0.99

System requirements

Minimum requirements

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7, 8, 10, 11 Processor: Dual Core+ Memory: 2 GB RAM Graphics: 1 GB RAM Storage: 1 GB available space

Recommended requirements

Recommended: Requires a 64-bit processor and operating system

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