Side-by-side comparison of two listed Games — real listing data only, no paid placement.
On record, they differ in: unique tags (Heaps 2: #haxe #cross-platform vs Solar2D 3: #lua #2d #indie); category rank (Heaps #39 vs Solar2D not in top 50). Same pricing model (Free) and category (Games). Listing facts only — not a recommendation.
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
Lua-based open-source 2D game engine forked from Corona SDK
Solar2D is a Lua-based 2D game engine focused on ease of iteration and usage. It is a fully open-source fork of the widely used Corona SDK, with development led by a former Corona Labs technical lead engineer, plus plugins and a code exchange.
Published 2026-08-13 · Links checked 2026-09-07
| Heaps | Solar2D | |
|---|---|---|
| Pricing | Free | Free |
| Category | Games | Games |
| Rank in Games | Position #39 of 74 | not in top 50 of 74 |
| Alternatives listed | 12 → | 12 → |
| Shared tags | #game-engine #open-source | |
| Unique tags | #haxe #cross-platform | #lua #2d #indie |
| Source code | github.com/HeapsIO/heaps | Not detected on official site (checked 2026-09-20) |
| Documentation | heaps.io/documentation/ | Not detected on official site (checked 2026-09-20) |
| Official channels | GitHubdeclared on heaps.io via homepage link with a matching handle | — |
| Official website | heaps.io | solar2d.com |
| Site preview | ||
Rank = neutral rotation by listing ID, not a quality score · how it works
Heaps is Free; Solar2D is Free. Both are listed in Games on ToolDock.
What they have in common: #game-engine · #open-source
Heaps is listed as free; Solar2D 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 Heaps alternatives and Solar2D alternatives.