AdventureCasualIndie
Hypnagogia² 無限の夢 Boundless Dreams
Give it 1 hour
Gets good by 1h almost every game dips in hours 2–3
Fully opens up by 5h rated like by long-time players
Started playing 90% of owners
Steam reviews 95% positive of 763
What the data shows
- In the first 2 hours 1 in 4 reviews are negative (26%); after 5h it's 1 in 110 (1%).
- Fully opens up by hour 5.
- Few early reviews, so this is a rough estimate.
- 90% of owners got the first achievement.
When it gets good
Share of positive reviews by how many hours the reviewer had played when writing the review.
before it gets good opening up fully opened up
Based on all 769 Steam reviews in every language. Median playtime in a sample of 299 reviews: 6.7h for positive, 2.4h for negative. Almost every game is rated lower in the first 2–3 hours: that window includes refunds and quick first impressions. What matters is how deep the dip is and how fast the game recovers.
Where players quit
Share of players who started the game and reached each story milestone. 100% is the most common achievement (89.6% of owners), so people who bought the game and never launched it don't count.
Story milestones aren't labeled yet; all achievements are listed below.
All achievements (45)
- Your First Steps Enter the portal in nowhere. 100%
- Cave Thief Obtain the first dream shard. 82%
- Snake Eyes Obtain the second dream shard. 67%
- Bird's The Word Gather Hypno's details on the situation. 56%
- Under New Management Complete the secret Hell World dream. 56%
- Modest Mushrooms Obtain the third dream shard. 51%
- Door-zoned Get denied by the Weird Door in Mushroom World. 50%
- Misty Gallery Find the secret fanart gallery in Mist World. 47%
- Warm Reunion Obtain the fourth dream shard. 46%
- Friendly Encounter Pet the dog in Ice World. 46%
- Space Daze Obtain the fifth dream shard. 44%
- Ethereal Crux Complete Gogi's dream. 44%
- Written In Stone Deliver the Prismatic Ring. 41%
- King's Melancholy Obtain the sixth dream shard. 41%
- Ultimate Shopper Obtain the seventh dream shard. 40%
- Ascension Meet The Dream Catcher and face your true self. 40%
- Shattered No More Obtain the final dream shard. 40%
- Dream Hub Plus Unlock the Level Select mode by beating the game once. 40%
- What A Long, Strange Trip It's Been Complete Hypnagogia: Boundless Dreams. 40%
- School's Out Complete the secret School World dream. 40%
- Callous Penchant Press the Shapezoid's mysterious red button. 38%
- Fish Food Complete the secret Underwater World dream. 35%
- Winter Memories Help the hidden Snow Child reassemble Mr. Snowman. 34%
- Vine Shrine Find the hidden Vineshroom tribute. 27%
- Shifting Sands Complete the secret Desert World dream. 27%
- Forest Gallery Find the secret fanart gallery in Forest World. 26%
- You Weren't Careful Clip out of reality. 25%
- Frightful Freckle Get the jump on Gardener Freckle. 25%
- Grimthorn's Shadow Read all 5 chapters of The Rapture of Grimthorn. 25%
- Tsundoore Charm the Weird Door in Mushroom World. 24%
- Pun-shroom Listen to all of Advisor Mung's bad jokes. 24%
- Labyrinth Atlas Obtain the optional dungeon map. 21%
- School Gallery Find the secret fanart gallery in School World. 21%
- Greedy Sweets Complete the secret Candy World dream. 21%
- One Last Ride Ride the Strider before leaving Desert World. 21%
- Yeow! Find the hidden meat. 19%
- Showcase Find the secret game model gallery. 19%
- Games Galore Find the secret arcade in Mall World. 19%
- All You Need Is Love Find and hug all 6 shivering settlers in Ice World. 18%
- Mall Gallery Find the secret fanart gallery in Mall World. 18%
- Mansion Gallery Find the secret fanart gallery in Haunted World. 17%
- Desert Gallery Find the secret fanart gallery in Desert World. 16%
- Get Quackin' Obtain the hidden Duck Bomb upgrade. 14%
- Spraytagged Find the secret fanart graffiti in Tower World. 12%
- Gather No Moss Escape Forest World alone. 11%
Steam page Updated: 2026-10-20.