Side-by-side comparison of two listed Games — real listing data only, no paid placement.
On record, they differ in: unique tags (Stride 2: #csharp #3d vs Heaps 2: #haxe #cross-platform); category rank (Stride #2 vs Heaps #39). Same pricing model (Free) and category (Games). Listing facts only — not a recommendation.
Free open-source C# game engine for 2D and 3D games
Stride is a free, open-source, MIT-licensed cross-platform C# game engine for 2D and 3D games and interactive content, built on modern C# and .NET. Documentation includes manuals, tutorials, release notes and an API reference.
Published 2026-08-13 · Links checked 2026-09-07
Cross-platform Haxe graphics engine for high-performance games
Heaps.io is a mature cross-platform graphics engine designed for high-performance games, built with the Haxe language. It leverages modern GPUs on desktop and mobile and supports both 2D and 3D accelerated graphics with native cross-platform builds.
Published 2026-08-13 · Links checked 2026-09-06
| Stride | Heaps | |
|---|---|---|
| Pricing | Free | Free |
| Category | Games | Games |
| Rank in Games | Position #2 of 74 | Position #39 of 74 |
| Alternatives listed | 12 → | 12 → |
| Shared tags | #game-engine #open-source | |
| Unique tags | #csharp #3d | #haxe #cross-platform |
| Platforms | Windows | Not detected on official site (checked 2026-09-20) |
| Source code | github.com/stride3d/stride | github.com/HeapsIO/heaps |
| Documentation | Not detected on official site (checked 2026-09-20) | heaps.io/documentation/ |
| In their own words | Stride, an MIT-licensed C# game engine, built for the future of gaming. Use C# 14 and .NET 10 to create your own games.— official site (homepage description), checked | — |
| Official channels | X (Twitter)YouTubeFacebookdeclared on www.stride3d.net via homepage link with a matching handle | GitHubdeclared on heaps.io via homepage link with a matching handle |
| Official website | www.stride3d.net | heaps.io |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Only platforms with an official store or installer link are listed; others may exist.
Stride is Free; Heaps is Free. Both are listed in Games on ToolDock.
What they have in common: #game-engine · #open-source
Stride is listed as free; Heaps is listed as free. Pricing label set at listing time; official pricing page linked where verified — see each official website for current details.
Both are Games listed on ToolDock, and they share the tags game-engine, open-source.
ToolDock keeps a tag-matched alternatives list for each: see Stride alternatives and Heaps alternatives.