What it likely sold — estimate, stated as a range on purpose
Lifetime units: ~10,131
(P10–P90: 4,052 – 22,288)
Gross revenue: ~$166,065
($66,420 – $365,340)
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
Last 90 days: 86% positive across 235 stored reviews. Casual games with 100+ reviews typically sit around 86% (median of 4097 games).
Gameplay & mechanics82% positive · 72 mentions
“The game is fun, it delivers what the demo and the trailers promised. The coalition mechanic was a big surprise, although the last fight with the can't see opponents moves character was kinda a guessing game. I also learned the value of…”Recommended · Steam review · May 2026 · 2 h played
Story & writing82% positive · 71 mentions
“The game is fun, it delivers what the demo and the trailers promised. The coalition mechanic was a big surprise, although the last fight with the can't see opponents moves character was kinda a guessing game. I also learned the value of…”Recommended · Steam review · May 2026 · 2 h played
Content & longevity85% positive · 55 mentions
“Prime Monster: A Well Designed, Well Polished Rogue Like Experience With Limitless Potential Let me just start out by saying that this game is phenomenal. As someone who really enjoys Slay the Spire, it really hit the spot. The Good The…”Recommended · Steam review · May 2026 · 8 h played
Difficulty & balance68% positive · 53 mentions
“fantastic silly halloween vibes mixed with genuinely funny british humor. gameplay stands out a bit among deckbuilders for flipping the script on the energy/card relationship popularized by Slay the Spire (cards don't cost energy, cards…”Recommended · Steam review · May 2026 · 10 h played
Visuals & audio93% positive · 45 mentions
“Prime Monster: A Well Designed, Well Polished Rogue Like Experience With Limitless Potential Let me just start out by saying that this game is phenomenal. As someone who really enjoys Slay the Spire, it really hit the spot. The Good The…”Recommended · Steam review · May 2026 · 8 h played
Price & value64% positive · 28 mentions
“This is going to be the first time I ever leave a review on the game because I think this has potential but as a lot of people have similarly said it loses it's luster after one or two runs. While I did personally enjoy the game after…”Recommended · Steam review · May 2026 · 2 h played
Controls & UI87% positive · 15 mentions
“fantastic silly halloween vibes mixed with genuinely funny british humor. gameplay stands out a bit among deckbuilders for flipping the script on the energy/card relationship popularized by Slay the Spire (cards don't cost energy, cards…”Recommended · Steam review · May 2026 · 10 h played
235 recent English reviews stored · topics keyword-matched · topics under 12 mentions stay hidden · methodology