Steam market intelligence
The Ouroboros King
80% positive · 580 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: ~22k
(P10–P90: 8.8k – 48.4k)
Gross revenue: ~$180k
(P10–P90: $72.1k – $397k)
Estimate, method v1.0 — before Steam's ~30% share, refunds and VAT. The band approximates where about 8 in 10 comparable games land in published studies; some sit outside it. Our own hit rate goes on the accuracy ledger once measured. How we estimate
Estimates are statistical inferences from public data. They are not sourced from Valve or the developer and may deviate materially from actual results. Do not rely on them for investment or contractual decisions. As of Oct 2, 2026.
Player voice — measured shares of Steam thumbs, never a model
Content & longevity73% positive · 41 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 · Report / request removalDifficulty & balance67% positive · 39 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 · Report / request removalGameplay & mechanics68% positive · 37 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 · Report / request removalPrice & value67% positive · 24 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 · Report / request removalStory & writing89% positive · 18 mentions
“Decent. A lot of games have attempted the whole "chess with novel move sets" thing before, but this game pulls it off a little better than what I've typically seen, seemingly manage to grapple with the inherent ridiculous balancing of…”
Recommended · Steam review · Jun 2026 · 1 h played · Report / request removal304 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology
Reviews are shown as published on Steam, including reviews from key activations and free copies — so percentages here can differ from the score on the Steam store page. GameTrend does not check whether reviewers bought or played the game.
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.