AdventureIndieRPGStrategy
Hellslave
Give it 5 hours
Gets good by 5h then rated almost like by veterans
Fully opens up by 7h rated like by long-time players
Reach the ending 44% of players who started
Started playing 27% of owners
Steam reviews 85% positive of 3,450
What the data shows
- In the first 2 hours 1 in 3 reviews are negative (31%); after 7h it's 1 in 11 (9%).
- Fully opens up by hour 7.
- 44% of players who start reach the ending.
- The biggest drop-off is between “Baal's Venom” (You defeated Baal, Master of Lies and Plague) and “Beelzebub's Claws” (Your blows killed Beelzebub, Lord of Violence): from 96% to 82% of starters.
- Only 27% 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 3,488 Steam reviews in every language. Median playtime in a sample of 90 reviews: 12.2h for positive, 5h 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 (27% of owners), so people who bought the game and never launched it don't count.
- Started playing 100%
- Baal's Venom You defeated Baal, Master of Lies and Plague. 96% −4
- Beelzebub's Claws Your blows killed Beelzebub, Lord of Violence. Most players quit here 82% −14
- Asmodeus's Blood The Priestess of Lust has gone back to the hell from whence she came. 69% −13
- Mammon's Eyes Mammon, the Misanthropic Tyrant, swallowed his disdain along with his entrails. 59% −11
- Leviathan's Tongue Leviathan's lightning will no longer disrupt this world. 56% −3
- Lucifer's Wings The Fallen Angel has been sent back to his fiery prison. 53% −3
- The Infernal Council All 6 Infernal Demons have been defeated. You can now challenge the Anti-King of Hell. 49% −5
- The Anti-King of Hell You finished HellSlave. Do you dare try the Inferno mode? 44% −4
story milestone ending biggest drop-off
Story milestones were labeled by AI from achievement names and descriptions; mistakes are possible.
All achievements (43)
story milestone ending side
- Simeon the Assiduous You crafted at least one of Simeon's items. 100%
- Baal's Venom You defeated Baal, Master of Lies and Plague. 96%
- Monster Beater You inflicted an average of at least 30 damage per second. 90%
- Beelzebub's Claws Your blows killed Beelzebub, Lord of Violence. 82%
- Eastward Exploration You discovered the salt steppes east of Nivlatth. 77%
- Asmodeus's Blood The Priestess of Lust has gone back to the hell from whence she came. 69%
- Mammon's Eyes Mammon, the Misanthropic Tyrant, swallowed his disdain along with his entrails. 59%
- Beast Destroyer You inflicted an average of at least 90 damage per second. 58%
- Leviathan's Tongue Leviathan's lightning will no longer disrupt this world. 56%
- Lucifer's Wings The Fallen Angel has been sent back to his fiery prison. 53%
- Demon Annihilator You inflicted an average of at least 120 damage per second. 50%
- The Imprisoned Archon A strange Archon was guarding the forbidden fruit. 50%
- The Meanders of Hell You entered Hell. Run away, you fool. 49%
- Bisith the Mage You crafted at least one of Bisith the Mage's items. 49%
- The Infernal Council All 6 Infernal Demons have been defeated. You can now challenge the Anti-King of Hell. 49%
- The Anti-King of Hell You finished HellSlave. Do you dare try the Inferno mode? 44%
- Infernal Nightmare You inflicted an average of at least 170 damage per second. That's a lot. 42%
- Septhon the Aesthete You crafted at least one of Septhon the Aesthete's items. 40%
- Pegrarch the Pious You crafted at least one of Pegrarch the Pious's items. 39%
- Zurgul's Anvil You crafted at least one of Zurgul's items. 33%
- Sigh Seeker You listened to all the whispers from the anomalies. 31%
- Jacquor the Ingenious You crafted at least one of Jacquor the Ingenious’s items. 29%
- Baal's Venom (Inferno) You defeated Baal, Master of Lies and Plague. 26%
- Beelzebub's Claws (Inferno) Your blows killed Beelzebub, Lord of Violence. 25%
- Asmodeus's Blood (Inferno) The Priestess of Lust has gone back to the hell from whence she came. 24%
- Mammon's Eyes (Inferno) Mammon, the Misanthropic Tyrant, swallowed his disdain along with his entrails. 24%
- Leviathan's Tongue (Inferno) Leviathan's lightning will no longer disrupt this world. 24%
- Lucifer's Wings (Inferno) The Fallen Angel has been sent back to his fiery prison. 23%
- The Imprisoned Archon (Inferno) A strange Archon was guarding the forbidden fruit. 23%
- The Infernal Council (Inferno) All 6 Infernal Demons have been defeated. You can now challenge the Anti-King of Hell. 23%
- Arbus the Traitor You crafted at least one of Arbus's items. 22%
- Utter Nonsense… Refrain from listening to the whispers of these ungodly weapons. 21%
- Bisith the Unhinged You crafted at least one of Bisith the Unhinged's items. 21%
- Kamixiarisocl Iperpeniomicidus the Venerable You crafted at least one of Kamixiarisocl Iperpeniomicidus's items. 20%
- Balam the Vile You crafted at least one of Balam's items. 19%
- The Scholar of Nivlatth You collected all the recipes and notes in Lore. 19%
- The Anti-King of Hell (Inferno) You finished HellSlave in Inferno mode. You've proven your worth. 19%
- Septhon the Madman You crafted at least one of Septhon the Madman's items. 18%
- Jacquor the Exiled You crafted at least one of Jacquor the Exiled's items. 15%
- Pegrarch the Insane You crafted at least one of Pegrarch the Insane's items. 15%
- Satan's Promises After a tremendous effort, you've crossed the red line of humanity. Here's your reward. 14%
- The Frail Servant You crafted at least one of the strange Frail Servant's items. 14%
- Hell's Blacksmith You made all of HellSlave's recipes. It probably won't help you seduce any potential lovers, but props to you. 13%
Steam page Updated: 2026-10-20.