Grindstone
1 developed, 6 published for others. Active 2018–2026.
The hit rate is the number that separates a studio which understands its audience from one buying lottery tickets — total revenue mostly says how long a studio has existed. Both are estimates; see how they are calculated.
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Revenue over time
Estimated gross revenue accumulated across the whole catalogue, month by month. It climbs where a release finds buyers and flattens where a catalogue only coasts. The last point is the same figure as in the box above — gross, before Steam's cut, VAT and refunds. How this is estimated.
Developed
| Image | Name | Price | Tags | Reviews ▾ | Positive | Released | Revenue (estimated) |
|---|---|---|---|---|---|---|---|
|
Die by the Blade Steam |
$19.99 | Gore Swordplay 3D Fighter Competitive Multiplayer PvP | 129 | 58% | Thu, May 16, 2024 | $116k $51k – $4m |
Published for others
| Image | Name | Price | Tags | Reviews ▾ | Positive | Released | Revenue (estimated) |
|---|---|---|---|---|---|---|---|
|
Jotunnslayer: Hordes of Hel Steam |
$14.99 | Indie Action Roguelike Rogue-lite Bullet Hell Action Rogue-like | 7,261 | 82% | Wed, Sep 03, 2025 | $4.9m $3m – $7.5m |
|
Preserve Steam |
$6.24 50% best price ever |
Puzzle Turn-Based Strategy Nature Sandbox City Builder Turn-Based Tactics | 667 | 92% | Thu, Aug 08, 2024 | $376k $376k – $401k |
|
HELLMUT: The Badass from Hell Steam |
$2.39 70% best price ever |
Indie Action Action Roguelike Pixel Graphics Twin Stick Shooter Bullet Hell | 33 | 73% | Tue, Feb 27, 2018 | $12k $5k – $21k |
|
Scramble All Fighters Steam |
$2.99 | Space 2D Shooter Choices Matter Minimalist Shoot 'Em Up | 2 | 100% | Tue, May 16, 2023 | $269 $120 – $478 |
|
Hellforged Steam |
n/a | 0 | n/a | Thu, Jan 01, 2026 | n/a | |
|
Underflow Steam |
n/a | 0 | n/a | — | n/a |