Steam market intelligence
The Ouroboros King
81% positive · 567 Steam reviews · released Feb 27, 2023 · by Oriol Cosp Games
Turn-Based TacticsRogue-liteDifficultBoard GameTurn-Based StrategyChessRogue-likeStrategy
What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~21,518
(P10–P90: 8,607 – 47,340)
Gross revenue: ~$176,271
($70,507 – $387,800)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band means: we'd be surprised if the truth sat outside it. How we estimate
Player voice — measured shares of Steam thumbs, never a model
Content & longevity75% positive · 40 mentions
“The Ouroboros King scratches a very specific itch — it's chess meets Slay the Spire, and for the most part that combination works beautifully, with wild pieces like the Hydra and Portal Mage making every board feel like a puzzle you've…”Recommended · Steam review · Feb 2026 · 7 h played
Difficulty & balance69% positive · 36 mentions
“The Ouroboros King scratches a very specific itch — it's chess meets Slay the Spire, and for the most part that combination works beautifully, with wild pieces like the Hydra and Portal Mage making every board feel like a puzzle you've…”Recommended · Steam review · Feb 2026 · 7 h played
Gameplay & mechanics69% positive · 36 mentions
“I've played about 20 Hours, 100% the game, and have beat it on the hardest difficulty. I got my copy from a humble bundle. The game play is fairly simplistic, but it can become complex very quick. You have your usual chess pieces, and…”Recommended · Steam review · Sep 2025 · 22 h played
Price & value65% positive · 23 mentions
“The Ouroboros King scratches a very specific itch — it's chess meets Slay the Spire, and for the most part that combination works beautifully, with wild pieces like the Hydra and Portal Mage making every board feel like a puzzle you've…”Recommended · Steam review · Feb 2026 · 7 h played
Story & writing89% positive · 19 mentions
“The game is fun in general though the system on how much gold you get each round could be reworked entirely because the current one is hit or miss, you also get punished for buying stuff that gives you extra turns because those extra turns…”Recommended · Steam review · Jun 2026 · 5 h played
295 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology
Game DNA — store facts, community tag votes, labeled AI inference
Technology
2D
Setting
FantasyMedieval
How you play together
Single-playerMultiplayerPvPLocal / split-screen co-op
Platform features
Full controller support
Business model
Buy to play
Sources: Valve store fields · community tag votes · AI-inferred values are marked and drawn from a fixed vocabulary.