Side-by-side comparison of two listed Games — real listing data only, no paid placement.
On record, they differ in: pricing (Flax Engine Freemium vs Solar2D Free); unique tags (Flax Engine 2: #3d #gamedev vs Solar2D 4: #lua #2d #open-source +1 more); category rank (Flax Engine #27 vs Solar2D not in top 50). Same category (Games). Listing facts only — not a recommendation.
Fully featured game engine with full source code access
Flax Engine is a game engine positioned as slim and agile, offering full source code and a fully featured toolset. It focuses on development performance to help teams iterate on games faster, with documentation, roadmap and community channels.
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
| Flax Engine | Solar2D | |
|---|---|---|
| Pricing | Freemium | Free |
| Category | Games | Games |
| Rank in Games | Position #27 of 74 | not in top 50 of 74 |
| Alternatives listed | 12 → | 12 → |
| Shared tags | #game-engine | |
| Unique tags | #3d #gamedev | #lua #2d #open-source #indie |
| Platforms | macOS · Windows | Not detected on official site (checked 2026-09-20) |
| Source code | github.com/FlaxEngine/FlaxEngine | Not detected on official site (checked 2026-09-20) |
| Documentation | docs.flaxengine.com/ | Not detected on official site (checked 2026-09-20) |
| Company | Flax | Not detected on official site (checked 2026-09-20) |
| In their own words | Best development performance out there Unleash your creativity and be more productive. With Flax you can boost your game development and bring it to another…— official site (homepage description), checked | — |
| Official channels | X (Twitter)LinkedInGitHubYouTubeInstagramFacebookdeclared on flaxengine.com via schema.org sameAs / homepage link with a matching handle | — |
| Official website | flaxengine.com | solar2d.com |
| 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.
Flax Engine is Freemium; Solar2D is Free. Both are listed in Games on ToolDock.
What they have in common: #game-engine
Flax Engine is listed as freemium (free tier alongside paid plans); 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 tag game-engine.
ToolDock keeps a tag-matched alternatives list for each: see Flax Engine alternatives and Solar2D alternatives.