ActionAdventureIndie
Dementium II HD
The first 2 hours are a test
Gets good by 2h almost every game dips in hours 2–3
Fully opens up by 4h rated like by long-time players
Started playing 49% of owners
Steam reviews 50% positive of 1,290
What the data shows
- In the first 2 hours 1 in 2 reviews are negative (63%); after 4h it's almost 1 in 2 (40%).
- Fully opens up by hour 4.
- The opening is criticised more than in 91% of games we track.
- Only 49% of owners have even the first achievement — the rest barely played.
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 1,310 Steam reviews in every language. Median playtime in a sample of 294 reviews: 4.4h for positive, 3.1h 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 (49% 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 (23)
- First Blood! Killed your first enemy! 100%
- Demon Slayer Kill the Gnaw. 83%
- Brain Biter Kill 15 non-boss enemies using the sledge hammer. 32%
- Witch Hunter Kill the Wendigo. 29%
- Beast Master Kill the Gorgamesh. 22%
- Postal worker Kill 25 non-boss enemies with the pistol. 22%
- Slasher Kill 50 non-boss enemies with the shank. 21%
- Giant Killer Kill the Collosus. 20%
- Self Defence Kill a boss with the pistol. 20%
- Bloody Murder Kill any boss with the shotgun. 19%
- Worm Crusher Kill the malatesta. 19%
- Breaking & Entering Broke all the breakable doors. 18%
- Blood & Guts Kill 20 non-boss enemies with the shotgun. 18%
- Firing Squad Kill a boss with the rifle. 17%
- Masscre Kill 10 non-boss enemies with the bone saw. 17%
- Skull Crusher Kill any Boss with the sledge hammer. 15%
- Mass Shooter Kill 20 non-boss enemies with the rifle. 15%
- Prison Break Complete Chapter 1 using only the shank. 15%
- Death Miner Kill 5 non-boss enemies with dynamite. 13%
- Home Run Kill 10 flying enemies using the sledge hammer. 13%
- Napalm in the morning Kill 10 non-boss enemies with the flame thrower. 12%
- Nailed Kill a boss with the nail gun. 11%
- Pinups Kill 12 non-boss enemies with the nail gun. 11%
Steam page Updated: 2026-10-20.