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Hypnagogia 無限の夢 Boundless Dreams

Hypnagogia 無限の夢 Boundless Dreams

Meet colorful characters, discover mysterious secrets, and reassemble the fractured remains of an ethereal crystal as you explore a series of abstract worlds based on dreams, nightmares, and the places in between.

Released Oct 29, 2021 Developer sodaraptor Publisher Raptorsoft Games Platforms Windows · Mac · Linux AdventureSurrealExplorationPlatformerAbstract
View on Steam ↗ $9.99 (US · as of 2026-10-21)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-29 · quoted reviews as of 2026-10-16.

95.5%positive758 reviews
Recommended · 24 found this helpful

“This game is a beautiful and gorgeous psychedelic adventure with retro graphics. There are 12 surreal worlds to explore, each with its own unique style, with many interesting environments and characters. This game has a warm inviting nature in which you help eccentric…”

— a player, Steam review · 5 hrs played
Recommended · 23 found this helpful

“I sat on reviewing this game for a while because I wanted to do it justice and convince people to pick up this game, but it's difficult because the game is somewhat avant-garde and also because I'm just not great with words. Mostly I want to say, if you love the look of the…”

— a player, Steam review · 4 hrs played
Recommended · 20 found this helpful

“It is difficult for me to fully describe how much this game has impacted me, or even to begin this review, as I have so much to say about it. This game is something that I feel is best experienced, but I will try my best to explain to my fullest ability how much I recommend it.…”

— a player, Steam review · 17 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2025-07 via SteamCharts.

14all-time peak
0 2 5 2022 2023 2024 2025 2026 No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period 3 avg · Dec 2021

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-21.

45achievements
30.9%median completion
10.2%rarest: Gather No Moss
89.5% of players 73.8% of players 59.7% of players 50.1% of players 49.9% of players 45.7% of players 44.7% of players 42.3% of players 41.7% of players 40.9% of players 39.8% of players 39.4% of players 37.1% of players 37.0% of players 36.1% of players 36.0% of players 35.9% of players 35.8% of players 35.8% of players 35.7% of players 33.6% of players 31.4% of players 30.9% of players 24.1% of players 23.8% of players 23.4% of players 22.5% of players 22.2% of players 22.0% of players 21.9% of players 21.5% of players 19.2% of players 18.6% of players 18.4% of players 18.4% of players 17.2% of players 17.0% of players 16.8% of players 15.8% of players 15.7% of players 15.1% of players 14.0% of players 12.4% of players 11.1% of players 10.2% of players 89.5% 0% most earned rarest
Almost everyone has
89.5%Your First Steps — Enter the portal in nowhere.
73.8%Cave Thief — Obtain the first dream shard.
59.7%Snake Eyes — Obtain the second dream shard.
Rarest badges of honor
10.2%Gather No Moss — Hidden achievement
11.1%Spraytagged — Hidden achievement
12.4%Get Quackin' — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.

$9.99current · sampled 2026-10-21 11:53 UTC
$7.99lowest since tracking began2026-10-01
US9.99 USD
EU8.19 EUR
UK7.19 GBP
Australia14.50 AUD
Canada11.49 CAD
Japan1,010 JPY
Brazil20.69 BRL
China37.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

Brazil≈$4.1 China Japan Canada EU UK US Australia≈$10

Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-21). Relative comparison only.

$0 $10 $20 07-25 08-10 08-28 09-14 10-02 10-21

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Oct 19, 2026
Hypnagogia 催眠術 Remastered demo live for Steam Nextfest!

The demo for the Hypnagogia 催眠術 remaster is live for Steam NextFest! expanded cat village & rainy city worlds Use the new Discovery mechanic to find & catalog hidden treasures New settings, effects, a

Oct 08, 2026
Hypnagogia 催眠術 - Early Demo Now Live

Hi all- Just dropped an early official demo for the new and upcoming Steam release for the original Hypnagogia 催眠術! It's been overhauled with lots of brand new things, and in this short demo you can e

Sep 23, 2026
Store Page now LIVE for the OG Hypnagogia...

Hi all~ After nearly 6 whole years, the original Hypnagogia is now officially coming to Steam. Most people who've played Boundless Dreams are completely unaware of its existence, which is unsurprising

Jun 27, 2026
Hypnagogia is 30% off right now!

Colorful, expansive dream worlds Cronchy psx visuals Engaging narrative Amazing soundtrack So if you've been holding off on giving it a full playthrough or have a friend that would love it, now's your

Jun 17, 2026
Hypnagogia 壊れた夢 Broken Dreams Nextfest Demo now available!

Hey all~ The updated build to the Hypnagogia: Broken Dreams demo is now available for this Summer's Steam Nextfest, and you can play it right now! Traverse a massive, dilapidated city ran by sassy, sc

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-13.

GenresAdventure, Casual, Indie
Player tagsAdventure · Surreal · Exploration · Platformer · Abstract · Atmospheric · Horror · Retro · Walking Simulator · First-Person · 3D Platformer · 3D (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Family Sharing
LanguagesEnglish
Achievements45
Official sitehttps://raptorsoftgames.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS: Windows 10 Version 18362.0 or higher Processor: AMD Athlon X4 | Intel Core i5 4460 Memory: 4 GB RAM Graphics: Nvidia GTX 970 | AMD R7 570 DirectX: Version 11 Storage: 4 GB available space